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alliance semiconductor 2575 augustine drive . santa clara, ca 95054 . tel: 408.855.4900 . fax: 408.855.4999 . www.alsc.com notice: the information in this document is subject to change without notice april 2005 rev 1.5 3/3.3/4.0 v p supervisor circuits asm706 p/ r/ s/ t/ j asm708 r/ s/ t/ j general description the asm706p/r/s/t/j and asm708r/s/t/j are cost effective cmos supervisor circuits that monitor power-supply, battery voltage level and p/ c operation. the family offers several functional options. each device generates a reset signal during power-up, power-down and brownout conditions. a reset is generated when the supply drops below 2.63v (asm 706p/r, asm708r), 2.93v (asm706s, asm708s), 3.08v (asm706t, asm708t) or 4.00v (asm706j, asm708j). in add ition, the asm706p/r/s/t/j feature a 1.6 second watchdog timer. the watchdog timer output will trigger a reset if connected to mr . floating the wdi input pin disables the watchdog timer. the asm708r/s/t/j have both active-high and active-low reset outputs but no watchdog function. the asm706p has the same pin-out and functions as the asm706r but has an active- high reset output. a versatile power-fail circuit, useful in checking battery levels and non-5v supplies, has a 1.25v threshold. all devices have a manual reset input. all devices are available in 8-pin dip, so and the compact microso packages. the microso package requires 50% less pc board area than the conventional so package. features ? precision power supply monitor ?2.63v threshold (asm706p/r, asm708r) ?2.93v threshold (asm706s, asm708s) ?3.08v threshold (asm706t, asm708t) ?new 4.00v threshold (asm706j, asm708j) ? debounced manual reset input ? auxiliary voltage monitor comparator ?1.25v threshold ?battery monitor / auxiliary supply monitor ? watchdog timer (asm706p/r/s/t/j) ?watchdog can be disabled by floating wdi ? 200ms reset time delay ? three reset signal options ?active high: asm706p ?active low: asm706r/s/t/j ?active high and low outputs: asm708r/s/t/j ? dip, so and microso packages ? guaranteed reset assertion to v cc = 1.1v applications ? computers and embedded controllers ? cti applications ? automotive systems ? portable/battery-operated systems ? intelligent instruments ? wireless communication systems ? pdas and hand-held equipment ? safety systems typical operating circuit +3.3v regulator v cc pfi mr (reset) wdi wdo pfo v cc (reset) i/o line nmi interrupt unregulated dc r 1 r 2 p asm706 r/s/t asm708 r/s/t (asm706 p) reset reset
asm706 p/ r/ s/ t/ j 2 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j block diagrams pin configuration reset reset mr v cc pfi pfo gnd generator + - + - v cc 20k ? asm708r/s/t/j 2.63v (asm708r) 2.93v (asm708s) 3.08v (asm708t) 4.00v (asm708j) 1.25v + reset transition watchdog timebase reset wdi wdo reset (reset) asm706p mr v cc pfi pfo gnd detector timer generator + - + - v cc 20k ? asm706p/r/s/t/j 2.63v (asm706p/r) 2.93v (asm706s) 3.08v (asm706t) 4.00v (asm706j) 1.25v + mr v cc gnd pfi reset reset nc pfo 1 2 3 4 5 6 7 8 mr v cc gnd pfi reset pfo 1 2 3 4 5 6 7 8 mr v cc gnd pfi reset nc pfo 1 2 3 4 5 6 7 8 mr v cc gnd pfi reset pfo 1 2 3 4 5 6 7 8 wdi wdo wdo wdi wdo wdi mr v cc gnd pfi reset pfo 1 2 3 4 5 6 7 8 reset (reset) (asm706p) dip/so microso asm708r/s/t/j asm706p asm706r/s/t/j asm706p asm706r/s/t/j asm708r/s/t/j
asm706 p/ r/ s/ t/ j 3 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j pin description pin number name function asm706p asm706r/s/t/j asm708r/s/t/j dip/ so microso dip/ so microso dip/ so microso 131313 mr manual reset input. the active low input triggers a reset pulse. it is pulled high by a 20k ? pull-up resistor. it is compatible with ttl/cmos signals when v cc = 5v. it can be shorted to ground through a mechanical switch. leave floating or connect to v cc if the function is not used. 242424 v cc monitored power supply input. 353535gndground. 464646 pfi power-fail input voltage monitor. with pfi less than 1.25v, pfo goes low. connect pfi to ground when not in use. 575757pfo power-fail output. the output is active low and sinks current when pfi is less than 1.25v. if not used, leave the pin unconnected. 6868 - -wdi watchdog input. wdi controls the internal watch- dog timer. a high or low signal for 1.6sec at wdi allows the internal timer to run-out, setting wdo low. a rising or falling edge must occur at wdi within 1.6 seconds or wdo goes low. the watchdog function is disabled by floating wdi. the internal watchdog timer clears when: reset is asserted; wdi is three-stated; or wdi sees a rising or falling edge. - - - - 6 8 nc not connected - - 7 1 7 1 reset active low reset output. pulses low for 200ms when triggered, and stays low whenever v cc is below the reset threshold. reset remains low for 200ms after v cc rises above the reset thresh- old or mr goes from high to low. a watchdog timeout will not trigger reset unless wdo is con- nected to mr .
asm706 p/ r/ s/ t/ j 4 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j 8282 - -wdo watchdog output. wdo goes low when the 1.6 second interval watchdog timer times-out and does not go high until a transition occurs at wdi. in addition, when v cc falls below the reset thresh- old, wdo goes low. unlike reset, wdo does not have a minimum pulse width and as soon as v cc exceeds the reset threshold, wdo becomes high with no delay. 7 1 - - 8 2 reset active high reset output. the inverse of reset . pin number name function asm706p asm706r/s/t/j asm708r/s/t/j dip/ so microso dip/ so microso dip/ so microso
5 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits asm706 p/ r/ s/ t/ j asm708 r/ s/ t/ j april 2005 rev 1.5 detailed descriptions a proper reset input enables a microprocessor/ microcontroller to start in a kn own state. asm706 p/ r/ s/ t/ j and asm708 r/ s/ t/ j assert reset to prevent code execution errors during power-up, power-down and brown- out conditions. reset/reset operation the reset/reset signals are designed to start or return a p/ c to a known state. with v cc above 1.2v, reset and reset are guaranteed to be asserted. during a power-up sequence, the reset outputs remain asserted until the supply rises above the threshold level. the resets are deasserted approximately 200ms after crossing the threshold. in a brownout situation where v cc falls below the threshold level, the reset outputs are asserted. if a brownout occurs during an already initiated reset period, the reset period will extend for an additional reset period of 200ms. the asm708 devices have dual reset outputs, one active low and one active high. the asm706p has a single active high reset and the asm706/r/s/t/j devices have an active low reset output. manual reset (mr ) the active-low manual reset input is pulled high by an internal 20k ? pull-up resistor and can be driven low by cmos/ttl logic or a mechanical switch to ground. an external debounce circuit is unnecessary since the 140ms minimum reset time will debounce mechanical push button switches. the minimum mr input pulse width is 0.5 s with a 3v v cc input and 0.15 s with a 5v v cc input. if not used, tie mr to v cc or leave floating. by connecting the watchdog output (wdo ) and mr , a watchdog timeout forces a reset to be generated. watchdog timer a watchdog timer available on the asm706p/r/s/t/j monitors p/ c activity. an output line on the processor is used to toggle the wdi line. if t he line is not toggled within 1.6 seconds on the watchdog input (wdi), the internal timer puts the watchdog output (wdo ) into a low state. wdo will remain low until a toggle is detected at wdi. the watchdog function is disabled, meaning it is cleared and not counting, if wdi is floated or connected to a three-stated circuit. the watchdog timer is also disabled if reset is asserted. when reset becomes inactive and the wdi input sees a high or low transition as short as 100ns (v cc = 2.7v)/ 50ns (v cc = 4.5v), the watchdog timer will begin a 1.6 alliance part # reset polarity threshold watchdog timer asm706p high 2.63v yes asm706r low 2.63v yes asm706s low 2.93v yes asm706t low 3.08v yes asm706j low 4.00v yes asm708r high & low 2.63v no asm708s high & low 2.93v no asm708t high & low 3.08v no asm708j high & low 4.00v no figure 1: wdi three-state operation
6 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits asm706 p/ r/ s/ t/ j asm708 r/ s/ t/ j april 2005 rev 1.5 second countdown. additional tr ansitions at wdi will reset the watchdog timer and initiate a new countdown sequence. wdo will also become low and remain so, whenever the supply voltage, v cc , falls below the device threshold level. wdo goes high as soon as v cc transitions above the threshold. there is no minimum pulse width for wdo as there is for the reset output s. if wdi is floated, wdo essentially acts as a low supply voltage output indicator. power-failure detection with auxiliary comparator all devices have an auxiliary co mparator with 1.25v trip point. the output, pfo , is active low and the noninverting input is pfi. this comparator can be used as a supply voltage monitor with an external resistor voltage divider. as the monitored voltage level falls, pfi is reduced causing the pfo output to go low. normally pfo interrupts the processor so the system can be shut down in a controlled manner. application information bi-directional re set pin interfacing the asm706/8 can interface with p/c bi-directional reset pins by connecting a 4.7k ? resistor in series with the reset output and the p/c bi-directional reset pin. ensuring the reset is valid down to v cc = 0v when v cc falls below 1.2v, the asm706r/s/t/j and 708r/s/ t/j reset outputs no longer pull down; it becomes indeterminate. to avoid the po ssibility that stray charges could build up and force reset to the wrong state, a pull- down resistor should be connected to the reset pin, thus draining such charges to ground. the resistor value is not critical. a100k ? resistor will pull reset to ground without loading it. figure 2: watchdog timing 0v supply voltage buf buffered reset v cc asm70x gnd gnd reset reset input c or p 4.7k ? bi-directional i/o pin figure 3: bi-directional reset pin interfacing
asm706 p/ r/ s/ t/ j 7 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j monitoring voltages other than v cc absolute maximum ratings parameter min max unit pin terminal voltage with respect to ground v cc -0.3 6.0 v all other inputs -0.3 v cc + 0.3 v input current at v cc and gnd 20 ma output current: all outputs 20 ma rate of rise at v cc 100 v/s plastic dip power dissipation (derate 9mw/c above 70c) 700 mw so power dissipation (derate 5.9mw/c above 70c) 470 mw? microso power dissipation (derate 4.1mw/c above 70c) 330 mw operating temperature range asm706xe, asm708xe -40 +85 c asm706xc, asm708xc 0 70 c storage temperature range -65 160 c lead temperature (soldering, 10sec) 300 c esd rating hbm mm 2 200 kv v note: these are stress ratings only and functional operation is not implied. exposure to absolute maximum ratings for prolonged time periods may affect device reliability. the asm706/708 can monitor voltages other than v cc using the power fail circuitry. if a resistive divider is connected from the voltage to be monitored to the pfi input, the pfo will go low if the voltage at pfi goes below 1.25v reference. should hysteresis be desired, connect a resistor (equal to approximately 10 times the sum of the two resistors in the divider) between the pfi and pfo pins. a capacitor between pfi and gnd will reduce circuit sensitivity to input high frequency noise. if it is desired to assert a reset in addition to the pfo flag, this may be achieved by connecting the pfo output to mr . v cc pfi mr pfo v in r 1 r 2 asm70x reset gnd +5v to p figure 4: monitoring +5v and an additional supply v in
asm706 p/ r/ s/ t/ j 8 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j electrical characteristics unless otherwise noted, spec ifications are over the operating temperature range and v cc supply voltages are 2.7v to 5.5v (asm706p, asm708r), 3.0 v to 5.5v (asm706/708s), 3.15v to 5.5v (asm706/708t) and 4.1v to 5.5.v (asm706/708j) parameter symbol conditions min typ max unit operating voltage range v cc asm706xc, asm708xc 1.1 5.5 v asm706xe, asm708xe 1.2 5.5 supply current v cc < 3.6v i cc asm706xc, asm706xe, mr = v cc , wdi float- ing 75 140 a asm708xc, asm708xe, mr = v cc , wdi float- ing 50 140 supply current v cc < 5.5v i cc asm706xc, asm706xe, mr = v cc , wdi float- ing 75 140 a asm708xc, asm708xe, mr = v cc , wdi float- ing 50 140 reset threshold (note 1) v rt p and r devices 2.55 2.63 2.70 v s devices 2.85 2.93 3.00 t devices 3.00 3.08 3.15 j devices 3.89 4.00 4.10 reset threshold hysteresis (note 1) 40 mv reset pulse width (note 1) t rs v cc = 3v (asm706/8, p/r devices). ms v cc = 3.3v (asm706/8, s/t devices). 140 200 280 v cc = 4.4v (asm706/8, j devices). v cc = 5v 200 mr pulse width t mr 4.5v < v cc < 5.5v 150 ns 3.6v < vcc < 4.5v (asm706/8j devices) v rst (max) < v cc < 3.6v (asm706/8/p/r/s/t devices) 500 mr to reset out delay (note 1) t md 3.6v < vcc < 4.5v (as706/8j devices) v rst (max) < v cc < 3.6v (asm706/8/p/r/s/t devices) 750 ns 4.5v < v cc < 5.5v 250
asm706 p/ r/ s/ t/ j 9 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j mr input threshold v ih v rst(max) < v cc < 4.5v 0.7v cc v v il v rst(max) < v cc < 4.5v 0.6 v ih 4.5v < v cc < 5.5v 2.0 v il 4.5v < v cc < 5.5v 0.8 mr pullup resistor r p 10 20 40 k ? reset output volt- age (all r/s/t/j devices) v oh i source = 800a, 4.5v < v cc < 5.5v v cc - 1.5 v v ol i sink = 3.2ma, 4.5v < v cc < 5.5v 0.4 v oh i source =500a, v rst(max) < v cc < 4.5v 0.8v cc v ol i sink =1.2ma, v rst(max) < v cc < 4.5v 0.3 v ol i sink = 50a, v cc = 1.1v (asm706xc, asm708xc devices) 0.3 i sink =100a, v cc = 1.2v (asm706xe, asm708xe devices) 0.3 reset output volt- age asm706p v oh i source = 800a, 4.5v < v cc < 5.5v v cc - 1.5 v v ol i sink = 3.2ma, 4.5v < v cc < 5.5v 0.4 v oh i source =500a, v rst(max) < v cc <3.6v 0.8v cc v ol i sink =1.2ma, v rst(max) < v cc < 3.6v 0.3 reset output volt- age asm708r/s/t/j v oh i source = 800a, 4.5v < v cc < 5.5v v cc - 1.5 v v ol i sink = 3.2ma, 4.5v < v cc < 5.5v 0.4 v oh i source =500a, v rst(max) < v cc < 4.5v 0.8v cc v ol i sink =1.2ma, v rst(max) < v cc < 4.5v 0.3 watchdog timeout period t wd v cc = 3v (asm706, p/r devices). s v cc = 3.3v (asm706 s/t devices). 1.0 1.6 2.25 v cc = 4.4v (asm706, j devices). wdi pulse width t wp v il = 0.4v, v ih =0.8v cc , v rst(max) < v cc < 4.5v 100 ns v il = 0.4v, v ih =0.8v cc , 4.5v < v cc < 5.5v 50 parameter symbol conditions min typ max unit
asm706 p/ r/ s/ t/ j 10 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j note 1: reset (asm706p, asm708), reset (asm706r/s/t/j, asm708) wdi input threshold v ih v cc = 5v 3.5 v v il 0.8 v ih v rst(max) < v cc < 4.5v 0.7v cc v il 0.6 wdi input current wdi = v cc , asm706 only 50 150 a wdi = 0v, asm706 only -150 -50 wdo output voltage v oh i source = 800a, 4.5v < v cc < 5.5v v cc - 1.5 v v ol i sink = 1.2ma, 4.5v < v cc < 5.5v 0.4 v oh i source =500a, v rst(max) < v cc < 4.5v 0.8v cc v ol i sink =1.2ma, v rst(max) < v cc < 4.5v 0.3 pfi input threshold pfi falling. for p/r devices v cc = 3v. for s/t devices v cc = 3.3v. for j devices v cc = 4.4v 1.2 1.25 1.3 v pfi input current -25 0.01 25 na pfo output voltage v oh i source = 800a, 4.5v < v cc < 5.5v v cc - 1.5 v v ol i sink = 3.2ma, 4.5v < v cc < 5.5v 0.4 v oh i source =500a, v rs(max) < v cc < 4.5v 0.8v cc v ol i sink =1.2ma, v rs(max) < v cc < 4.5v 0.3 parameter symbol conditions min typ max unit
asm706 p/ r/ s/ t/ j 11 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j package dimensions microso(8-pin) inches millimeters min max min max a 0.032 0.044 0.81 1.10 a1 0.002 0.006 0.05 0.15 a2 0.030 0.038 0.76 0.97 b 0.012 bsc 0.30 bsc c 0.004 0.008 0.10 0.20 d 0.114 0.122 2.90 3.10 e 0.0256 bsc 0.65 bsc e 0.184 0.200 4.67 5.08 e1 0.114 0.122 2.90 3.10 l 0.016 0.026 0.41 0.66 s 0.0206 bsc 0.52 bsc a 0606 inches millimeters min max min max a1 0.004 0.010 0.10 0.25 a 0.053 0.069 1.35 1.75 a2 0.049 0.059 1.25 1.50 b 0.012 0.020 0.31 0.51 c 0.007 0.010 0.18 0.25 d 0.193 bsc 4.90 bsc e 0.154 bsc 3.91 bsc e 0.050 bsc 1.27 bsc h 0.236 bsc 6.00 bsc l 0.016 0.050 0.41 1.27 0 8 0 8 e1 e d a a1 a2 e b c l a 0.10mm 0.004in s d e h d a1 a2 a l c b e so(8-pin)
asm706 p/ r/ s/ t/ j 12 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j inches millimeters min max min max a - 0.210 - 5.33 a1 0.015 - 0.38 - a2 0.115 0.195 2.92 4.95 b 0.014 0.022 0.36 0.56 b2 0.045 0.070 1.14 1.78 c 0.008 0.014 0.20 0.36 d 0.355 0.400 9.02 10.16 e 0.300 0.325 7.62 8.26 e1 0.240 0.280 6.10 7.11 e 0.100 2.54 eb - 0.430 - 10.92 l 0.115 0.150 2.92 3.81 plastic dip(8-pin)
asm706 p/ r/ s/ t/ j 13 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j ordering codes part number package operating temperature range (c) reset threshold reset polarity watchdog timer marking tin - lead devices asm706pcpa 8- plastic dip 0 to +70 2.63 high yes asm706pcpa asm706pcsa 8-so 0 to +70 2.63 high yes asm706pcsa asm706pcua 8-microso 0 to +70 2.63 high yes asm706pc asm706pepa 8-plastic dip -40 to +85 2.63 high yes asm706pepa asm706pesa 8-so -40 to +85 2.63 high yes asm706pesa asm706rcpa 8- plastic dip 0 to +70 2.63 low yes asm706rcpa asm706rcsa 8-so 0 to +70 2.63 low yes asm706rcsa asm706rcua 8-microso 0 to +70 2.63 low yes asm706rc asm706repa 8-plastic dip -40 to +85 2.63 low yes asm706repa asm706resa 8-so -40 to +85 2.63 low yes asm706resa asm706scpa 8- plastic dip 0 to +70 2.93 low yes asm706scpa asm706scsa 8-so 0 to +70 2.93 low yes asm706scsa asm706scua 8-microso 0 to +70 2.93 low yes asm706sc asm706sepa 8-plastic dip -40 to +85 2.93 low yes asm706sepa asm706sesa 8-so -40 to +85 2.93 low yes asm706sesa asm706tcpa 8- plastic dip 0 to +70 3.08 low yes asm706tcpa asm706tcsa 8-so 0 to +70 3.08 low yes asm706tcsa asm706tcua 8-microso 0 to +70 3.08 low yes asm706tc asm706tepa 8-plastic dip -40 to +85 3.08 low yes asm706tepa asm706tesa 8-so -40 to +85 3.08 low yes asm706tesa asm706jcpa 8- plastic dip 0 to +70 4.00 low yes asm706jcpa asm706jcsa 8-so 0 to +70 4.00 low yes asm706jcsa asm706jcua 8-microso 0 to +70 4.00 low yes asm706jc asm706jepa 8-plastic dip -40 to +85 4.00 low yes asm706jepa asm706jesa 8-so -40 to +85 4.00 low yes asm706jesa asm708rcpa 8- plastic dip 0 to +70 2.63 dual: high & low no asm708rcpa asm708rcsa 8-so 0 to +70 2.63 dual: high & low no asm708rcsa
asm706 p/ r/ s/ t/ j 14 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j asm708rcua 8-microso 0 to +70 2.63 dual: high & low no asm708rc asm708repa 8-plastic dip -40 to +85 2 .63 dual: high & low no asm708repa asm708resa 8-so -40 to +85 2.63 dual: high & low no asm708resa asm708scpa 8- plastic dip 0 to +70 2 .93 dual: high & low no asm708scpa asm708scsa 8-so 0 to +70 2.93 dual: high & low no asm708scsa asm708scua 8-microso 0 to +70 2.9 3 dual: high & low no asm708sc asm708sepa 8-plastic dip -40 to +8 5 2.93 dual: high & low no asm708sepa asm708sesa 8-so -40 to +85 2.93 dual: high & low no asm708sesa asm708tcpa 8- plastic dip 0 to +70 3.08 dual: high & low no asm708tcpa asm708tcsa 8-so 0 to +70 3.08 dual: high & low no asm708tcsa asm708tcua 8-microso 0 to +70 3.08 dual: high & low no asm708tc asm708tepa 8-plastic dip -40 to +8 5 3.08 dual: high & low no asm708tepa asm708tesa 8-so -40 to +85 3.08 dua l: high & low no asm708tesa asm708jcpa 8- plastic dip 0 to +70 4.00 dual: high & low no asm708jcpa asm708jcsa 8-so 0 to +70 4.00 dual: high & low no asm708jcsa asm708jcua 8-microso 0 to +70 4.00 dual: high & low no asm708jc asm708jepa 8-plastic dip -40 to +85 4.00 dual: high & low no asm708jepa asm708jesa 8-so -40 to +85 4.00 dual: high & low no asm708jesa lead free devices asm706pcpaf 8- plastic dip 0 to +70 2.63 high yes asm706pcpaf asm706pcsaf 8-so 0 to +70 2.63 high yes asm706pcsaf asm706pcuaf 8-microso 0 to +70 2.63 high yes asm706pcf asm706pepaf 8-plastic dip -40 to +85 2.63 high yes asm706pepaf asm706pesaf 8-so -40 to +85 2.63 high yes asm706pesaf asm706rcpaf 8- plastic dip 0 to +70 2.63 low yes asm706rcpaf asm706rcsaf 8-so 0 to +70 2.63 low yes asm706rcsaf asm706rcuaf 8-microso 0 to +70 2.63 low yes asm706rcf asm706repaf 8-plastic dip -40 to +85 2.63 low yes asm706repaf asm706resaf 8-so -40 to +85 2.63 low yes asm706resaf part number package operating temperature range (c) reset threshold reset polarity watchdog timer marking ordering codes (contd...)
asm706 p/ r/ s/ t/ j 15 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j asm706scpaf 8- plastic dip 0 to +70 2.93 low yes asm706scpaf asm706scsaf 8-so 0 to +70 2.93 low yes asm706scsaf asm706scuaf 8-microso 0 to +70 2.93 low yes asm706scf asm706sepaf 8-plastic dip -40 to +85 2.93 low yes asm706sepaf asm706sesaf 8-so -40 to +85 2.93 low yes asm706sesaf asm706tcpaf 8- plastic dip 0 to +70 3.08 low yes asm706tcpaf asm706tcsaf 8-so 0 to +70 3.08 low yes asm706tcsaf asm706tcuaf 8-microso 0 to +70 3.08 low yes asm706tcf asm706tepaf 8-plastic dip -40 to +85 3.08 low yes asm706tepaf asm706tesaf 8-so -40 to +85 3.08 low yes asm706tesaf asm706jcpaf 8- plastic dip 0 to +70 4.00 low yes asm706jcpaf ASM706JCSAF 8-so 0 to +70 4.00 low yes ASM706JCSAF asm706jcuaf 8-microso 0 to +70 4.00 low yes asm706jcf asm706jepaf 8-plastic dip -40 to +85 4.00 low yes asm706jepaf asm706jesaf 8-so -40 to +85 4.00 low yes asm706jesaf asm708rcpaf 8- plastic dip 0 to +70 2.63 dual: high & low no asm708rcpaf asm708rcsaf 8-so 0 to +70 2.63 dua l: high & low no asm708rcsaf asm708rcuaf 8-microso 0 to +70 2.63 dual: high & low no asm708rcf asm708repaf 8-plastic dip -40 to +85 2 .63 dual: high & low no asm708repaf asm708resaf 8-so -40 to +85 2.63 d ual: high & low no asm708resaf asm708scpaf 8- plastic di p 0 to +70 2.93 dual: high & low no asm708scpaf asm708scsaf 8-so 0 to +70 2.93 dua l: high & low no asm708scsaf asm708scuaf 8-microso 0 to +70 2.9 3 dual: high & low no asm708scf asm708sepaf 8-plastic dip -40 to +85 2 .93 dual: high & low no asm708sepaf asm708sesaf 8-so -40 to +85 2.93 d ual: high & low no asm708sesaf asm708tcpaf 8- plastic dip 0 to +70 3.08 dual: high & low no asm708tcpaf asm708tcsaf 8-so 0 to +70 3.08 dual: high & low no asm708tcsaf asm708tcuaf 8-microso 0 to +70 3.08 dual: high & low no asm708tcf part number package operating temperature range (c) reset threshold reset polarity watchdog timer marking ordering codes (contd...)
asm706 p/ r/ s/ t/ j 16 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j notes: ? for parts to be packed in tape and reel, add ?-t? at the end of the part number. ? alliance semiconductor's lead free parts are rohs compliant. ? all parts are lead free by default. c ontact factory for non lead free devices asm708tepaf 8-plastic dip -40 to +85 3 .08 dual: high & low no asm708tepaf asm708tesaf 8-so -40 to +85 3.08 d ual: high & low no asm708tesaf asm708jcpaf 8- plastic dip 0 to +70 4.00 dual: high & low no asm708jcpaf asm708jcsaf 8-so 0 to +70 4.00 dual: high & low no asm708jcsaf asm708jcuaf 8-microso 0 to +70 4.00 dual: high & low no asm708jcf asm708jepaf 8-plastic dip -40 to +85 4.00 dual: high & low no asm708jepaf asm708jesaf 8-so -40 to +85 4.00 dual: high & low no asm708jesaf part number package operating temperature range (c) reset threshold reset polarity watchdog timer marking ordering codes (contd...)
asm706 p/ r/ s/ t/ j 17 of 18 notice: the information in this docum ent is subject to change without notice 3/3.3/4.0 v p supervisor circuits april 2005 rev 1.5 asm708 r/ s/ t/ j feature summary asm706p asm706r asm706s asm706 t asm706j asm708r asm708s asm708t asm708j power fail detector ????????? brownout detection ????????? debounced manual reset ????????? power-up/ down reset ????????? watchdog timer ????? active high reset ? active low reset ???? active low and high resets ???? reset threshold (v) 2.63 2.63 2.93 3.08 4. 00 2.63 2.93 3.08 4.00
alliance semiconductor corporation 2575 augustine drive, santa clara, ca 95054 tel: 408 - 855 - 4900 fax: 408 - 855 - 4999 www.alsc.com copyright ? alliance semiconductor all rights reserved part number: asm706 p/ r/ s/ t/ j asm708 r/ s/ t/ j document version: 1.5 ? copyright 2003 alliance semiconductor corporation. all rights reserved. our three-point logo, our name and intelliwatt are tr ademarks or registered trademarks of alliance. all other brand and product names may be the trademarks of their respective companies. allia nce reserves the right to make changes to this document and its products at any time without notice. alliance assumes no responsibility for any errors that may appear in this document. the data contained herein represents al liance's best data and/or estimates at the time of issuance. al liance reserves the right to change or correct this data at any time, without notice. if the product described herein is under development, signifi cant change s to these specifications are possible. the information in this product data sheet is intended to be general descriptive information for p otential customers and users, and is not intended to operate as, or provide, any guarantee or warrantee to any user or customer. alliance does not ass ume any responsibility or liability arising out of the application or use of any prod uct described herein, and disclaims any express or implied warran ties related to the sale and/or use of alliance products including liability or warrant ies related to fitness for a particular purpose, merchantability, or infringement of any intellectual property rights, except as express agreed to in al liance's terms and conditions of sale (which are available from alliance). all sales of alliance products are made exclusively accord ing to alliance's terms and conditions of sale. the purchase of products from alli ance does not convey a license under any patent rights, copyrights; mask work s rights, trademarks, or any other intellectual property rights of alliance or third parties. alliance does not authorize its products for use as crit ical components in life-supporti ng systems where a malfunction or failure may reasonably be expected to result in sign ificant injury to the user, and the inclusio n of alliance products in such life-support ing systems implies that the manufacturer assumes all risk of such use and agrees to indemnify alliance against all claims arising from such use. asm706 p/ r/ s/ t/ j asm708 r/ s/ t/ j april 2005 rev 1.5

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