1 ps8491c 02/20/01 vcc nc 1 e nc 2 id1 ia0 3 id0 ia1 4 yd ya 5 20 ib0 6 19 ic0 ib1 7 18 yc 8 17 16 gnd 15 14 13 yb 9 10 nc nc 12 11 nc ic1 logic block diagram 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 truth table (1) note: 1. h = high voltage level l = low voltage level product pin description pin name description ian-idn data inputs e enable ya-yd data outputs gnd ground v cc power PI5L102 compactpci ? hot swap pull-up switch product features ? supports compactpci precharge voltage selection ? 3.3v/2.7kohms, 5v/1ohm line termination selection ? ultra-low quiescent current: 0.1a typical ? low on resistance: 7ohms maximum ? single supply operation up to 6.2v 5% ? wide bandwidth data rates: >200 mbps ? compact 20-pin tssop package ? mechanical relay replacement pin configuration e ia0 ia1 ib0 ib1 ic0 ic1 id0 id1 ya yb yc yd 20-pin l product description the PI5L102l compactpci hot swap pull-up switch is a quad 1:2 multiplexer. it is designed to switch the 1v precharge bias voltage and 10-kohm pull-up resistor connected to the compactpci bus signals during hot swap. each switch can connect eight inputs (i an to i dn ) to a given pull-up voltage level. in addition, the PI5L102 can be used to select 2.7 kohms/3.3v or 1.0 kohm/5v pull-ups for the system card pci signal lines. on resistance is a low 7 ohms maximum and all eight switches are selected or disabled with a single cmos/ttl compatible signal. for general-purpose applications, the PI5L102 can replace mechanical relays. in network systems, physical layer signals can be switched. to reduce the insertion loss, the PI5L102 can be powered by a 6.2v zener diode. ea yb yc yd yn o i t c n u f hz - i hz - i hz - i hz - i he l b a s i d l1 a i , 0 a i1 b i , 0 b i1 c i , 0 c i1 d i , 0 d ie l b a n e compactpci is a registered trademark of the pci industrial computer manufacturers group 4 .com u datasheet
2 ps8491c 02/20/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI5L102 compactpci hot swap pull-up switch dc electrical characteristics (over the operating range, t a = 0c to +70c, v cc = 6.2v, +5%, ? 2%) parameters description test conditions (1) min. typ (2) max. units v ih input high voltage guaranteed logic high level 2.4 ? ? v v il input low voltage guaranteed logic low level ?0.5 ? 0.8 v i ih input high current v cc = max., v in = v cc ??1a i il input low current v cc = max., v in = gnd ? ? 1 a i ozh high impedance output current 0 a, b v cc ??1a v ik clamp diode voltage v cc = min., i in = ?18ma ? ?0.7 ?1.2 v i os short circuit current (3) a (b) = 0v, b (a) = v cc 100 ? ? ma v h input hysteresis at control pins ? 150 ? mv r on switch on resistance (4) v cc = min.,v in = 0.0v i on = 48ma 5 7 v cc = min.,v in = 2.4v i on = 15ma 10 15 maximum ratings (above which the useful life may be impaired. for user guidelines, not tested.) storage temperature ............................................................ ?65c to +150c ambient temperature with power applied ............................... 0c to +70c supply voltage to ground potential (inputs & vcc only) ...... ?0.5v to +7.0v supply voltage to ground potential (outputs & d/o only) ... ?0.5v to +7.0v dc input voltage .................................................................... ?0.5v to +7.0v dc output current .............................................................................. 120ma power dissipation ................................................................................. 0.5w note: stresses greater than those listed under maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. notes: 1. for max. or min. conditions, use appropriate value specified under electrical characteristics for the applicable device type. 2. typical values are at v cc = 6.2v, t a = 25c ambient temperature. 3. not more than one output should be shorted at one time. duration of the test should not exceed one second. 4. measured by voltage drop between i and y pins at indicated current through the switch. on resistance is determined by the lower of the voltages on the two (i,y) pins. ohm 4 .com u datasheet
PI5L102 compactpci hot swap pull-up switch 3 ps8491c 02/20/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 note: 1. this parameter is determined by device characterization, but not production tested. 2. switch on capacitance accounts for capacitance of both switch channels (i x0 & i x1 ) on at one time. 3. x = a, b, c, or d; n = 0 or 1 notes: 1. for max. or min. conditions, use appropriate value specified under electrical characteristics for the applicable device. 2. typical values are at v cc = 6.2v, t a = 25c ambient temperature. 3. per ttl driven input (v in = 3.4v, control inputs only); a and b pins do not contribute to i cc . 4. this current applies to the control inputs only and represent the current required to switch internal capacitance at the spec ified frequency. the a and b inputs generate no significant ac or dc currents as they transition. this parameter is not tested, but i s guaranteed by design. power supply characteristics parameters description test conditions (1) min. typ (2) max. units i cc quiescent power v cc = max. v in = gnd or v cc ? 0.1 3.0 a supply current d i cc supply current per v cc = max. v in = 3.4v (3) ? ? 2.5 ma input @ ttl high i ccd supply current per v cc = max., ? ? 0.25 ma/ input per mhz (4) input pins open mhz e = gnd control input toggling 50% duty cycle PI5L102 com. parameters description conditions (1) min. typ max. units t phz bus disable time c l = 50pf 0.5 ? 6.0 n s t plz e to y r l = 500ohm t pzh bus enable time 0.5 ? 5.8 ns t pzl e to y notes: 1. see test circuit and waveforms (figure 2). switching characteristics over operating range s r e t e m a r a p ) 1 ( n o i t p i r c s e ds n o i t i d n o c t s e t. p y t. x a ms t i n u c n i e c n a t i c a p a c t u p n i v n i v 0 = 46 f p c f f o) x y ( y x f f o h c t i w s , e c n a t i c a p a c68 c ) i ( f f o i n x f f o h c t i w s , e c n a t i c a p a c68 c ) x y ( n o ) 2 , 1 ( y x n o h c t i w s , e c n a t i c a p a c4 22 3 capacitance (t a = 25c, f = 1 mhz) xn 4 .com u datasheet
4 ps8491c 02/20/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI5L102 compactpci hot swap pull-up switch applications v cc bias voltage vs r on to keep r on to a minimum, it is recommended that the v cc voltage be increased to a voltage between +6.0v and +6.5v (see figure 5). the r on vs v in curve shows the effect of on-resistance and input voltage which is exponential. ideally an input voltage between 0.2v and 3.6v will keep r on in the flat part of the curve ( d r on or flatness is ~2ohm). logic inputs the logic control inputs can be driven up to +5.5v regardless of the supply voltage. for example, given a +5.0v supply, e may be driven low to 0v and high to 5.5v. driving e rail-to-rail ? minimizes power consumption. power-supply sequencing proper power-supply sequencing is recommended for all cmos devices. always apply v cc before applying signals to the input/ output or control pins. figure 1. v io voltage selection 2.7 k w 1 k w pi5al102 pullup required on each cpci line pi5al102 10 w enable 3.3v pericom pci bridge pi7c7100 from cpci connector enable 5v 5v 3v v io v io figure 2. hot swap precharge voltage selection 1.0v precharge 10 w PI5L102 10k w resistors backplane hot swap connections e 10 w 4 .com u datasheet
PI5L102 compactpci hot swap pull-up switch 5 ps8491c 02/20/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 figure 3. switching time test circuits and waveforms pulse generator d.u.t. v in rt v out c l 500 w 500 w open 50pf v cc 6v t pzl control input 1.5v 0v 3v 1.5v 3v 0v 1.5v t plz v ol 3v 0v t pzh t phz 0.3v 0.3v output normally low output normally high switch switch gnd v oh enable disable enable and disable timing test circuits t s e th c t i w s w o l d e l b a s i d w o l d e l b a n e d e s o l c switch position definitions: c l = load capacitance: includes jig and probe capacitance. r t = termination resistance: should be equal to z out of the pulse generator 1. input control enable = low and input control disable = high 2. pulse generator for all pulses: rate - <1.0mhz; zout <50 w t f , t r <2.5 ns. figure 5. v cc bias current figure 4. line termination 100 w 120 w +v PI5L102 r 1ma v cc 6.2v zener 4 .com u datasheet
6 ps8491c 02/20/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 PI5L102 compactpci hot swap pull-up switch figure 6. r on vs input voltage over temperature (r on at vcc = 6.1v @ 75c) figure 7 r on vs input voltage (r on at v cc = 6.2v @ 25c) 0.000 6.000 0.000 20.00 e+00 2.000/div. 0.600v/div. v in 0.000 6.000 0.6000/div. v in = 4.5000v, r on = 14.3e+00, v on = 3.9569v v on r on 25?c 75?c 75?c 25?c r on v on 0.000 6.000 0.000 20.00 e+00 2.000/div. 0.600v/div. v in 0.000 6.000 0.6000/div. v in = 4.5000v, r on = 10.9e+00, v on = 4.0720v v on r on r on v on 4 .com u datasheet
PI5L102 compactpci hot swap pull-up switch 7 ps8491c 02/20/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 .252 .260 .047 1.20 .002 .006 seating plane .0256 bsc .018 .030 .004 .008 .238 .269 1 20 .169 .177 x.xx x.xx denotes controlling dimensions in millimeters 0.05 0.15 6.1 6.7 0.45 0.75 0.09 0.20 4.3 4.5 6.4 6.6 0.65 0.19 0.30 .007 .012 max 20-pin tssop package drawing (l) pericom semiconductor corporation 2380 bering drive ? san jose, ca 95131 ? 1-800-435-2336 ? fax (408) 435-1100 ? http://www.pericom.com t r a pe g a k c a p - n i pe r u t a r e p m e t l 2 0 1 l 5 i p) l ( p o s s t - 0 2c 0 7 + o t c 0 ordering information 4 .com u datasheet
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