1 ps8774f 04/05/06 features ? pi4uls3v08m is designed for low voltage operation: 1.2v to 3.6v ? universal bidirectional level shifting with automatic direction control ? fast bus speeds up to 160 mbps ? i off supports partial power-down mode operation ? drive capability 12ma ? independent translation of each bit ? each supply rail is confgurable over supply range ? esd protection exceeds jesd22 C 2000v human body model (a114-b) C 200v machine model (a115-a) ? latch-up performance exceeds 100ma per jesd 78 ? industrial operation at C40c to +85c ? packaging (pb-free & green): C 32-contact tqfn (zl) applications ? voltage translation ? bus relay ? mobile devices pi4uls3v08m description pi4uls3v08m , is a 8-bit (octal) non-inverting bus transceiver with two separate supply rails: a port (v cca ) and b port (v ccb ) are set to operate at 1.2v to 3.6v. this arrangement permits universal bidirectional translation of differential signal levels over the voltage ranges. the pi4uls3v08m is designed for asynchronous communication between data buses. data is transmitted from the a bus to the b bus, or vice versa, without direction control. all a x , and b x are tri-stated when data is coming from both directions at the same time. the output-enable (oe) input is used to disable outputs so buses are isolated. the control pins, oex, test_en and out_sel are supplied by v ccb . the device is fully specifed for partial-power-down applications using i off . the i off circuitry disables the outputs, preventing damaging current backfow through the device when it is powered down. to ensure the high impedance state during power-up or power- down, the output-enable (oex) input should be tied to v cc through a pullup resistor: the minimum value of the resistor is determined by the current-sinking capability of the driver. block diagram 1.2v to 3.6v universal bi-directional level shifter with automatic direction control & advanced package solution ?? ????????????????????? ? ? ? ? ?? ? ? ?????????? ??????? ????? ??????? ??????? ?? ????????????????????? ? ? ? ? ?? ? ? ?????????? ??????? ????? ??????? ??????? pin confguration b 1 b 2 v cc b b 3 b 4 gnd b 5 b 6 v cc b b 7 b 8 a 1 a 2 v cc a a 3 a 4 gnd a 5 a 6 v cc a a 7 a 8 1 2 3 4 5 6 7 8 9 10 11 27 26 25 24 23 22 21 20 19 18 17 gnd v cc b oe 2 v cc a gnd 12 13 14 15 16 32 31 30 29 28 gnd test_en out_sel oe 1 gnd 06-0046
2 ps8774f 04/05/06 pi4uls3v08m 1 .2v to 3.6v, universal bi-directional level shifter with automatic direction control & advanced package solution supply voltage range: v cca .................... C0.5v to 4.6v v ccb .................... C0.5v to 4.6v input voltage range, v i (1) control inputs ...... C0.5v to 4.6v voltage range applied to any i/o pins in the high-impedance or power-off state, v io (1) : a port ....................... C0.5v to 4.6v b port ................... C0.5v to 4.6v voltage range applied to any i/o pins in the high or low state v io (1, 2) : a port ......... C0.5v to v cca +0.5v b port ....... C0.5v to v ccb +0.5v note: 1. the input negative voltage and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. this value is limited to 3.6v maximum. 3. 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 in dicated in the operational sections of this specifcation is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. maximum ratings (3) (absolute maximum ratings over operating free-air temperature range, unless otherwise noted) input clamp current, i ik (v i <0) ................................... C50ma output clamp current, i ok (v o <0) .............................. C50ma continuous output current, i o ....................................... 20ma continuous current through v cca, v ccb or gnd ..... 100ma storage temperature range, t stg .................... C65c to 150c pin description pin name description oex 3-state output enable inputs (active low) a x side a inputs/outputs b x side b inputs/outputs test_en enable test mode out_sel output impedance select gnd ground v cca, v ccb power truth table (1) input outputs loading operation oex l c l 50pf bus b data to bus a, or bus a data to bus b h z (isolation) note: 1. h = high signal level l = low signal level z = high impedance test mode / output impedance select test_en out_sel condition l l normal operation low output impedance 300? l h normal operation high output impedance 2.2k? h l test_mode a b h h test_mode b a 06-0046
3 ps8774f 04/05/06 pi4uls3v08m 1 .2v to 3.6v, universal bi-directional level shifter with automatic direction control & advanced package solution recommended operating conditions (1, 2, 3) parameter description v cci min. max. units v cca , v ccb supply voltage 1.2 3.6 v v ih high-level input voltage i/o pins 1.2v to 1.95v 0.65 x v cci 2.3v to 2.7v 1.7 2.7v to 3.6v 2 v il low-level input voltage i/o pins 1.2v to 1.95v 0.35 x v cci 2.3v to 2.7v 0.7 2.7v to 3.6v 0.8 v ihb high-level input voltage control inputs (oe) 1.2v to 1.95v 0.65 x v ccb 2.3v to 2.7v 1.7 2.7v to 3.6v 2 v ilb low-level input voltage control inputs (oe) 1.4v to 1.95v 0.35 x v ccb 2.3v to 2.7v 0.7 2.7v to 3.6v 0.8 v i input voltage i/o pins and control inputs 0 3.6 v o output voltage i/o pins and control inputs 0 3.6 i oh high-level output current i/o pins v cco = 1.2v -3 ma v cco = 1.4v -5 v cco = 1.65v -8 v cco = 2.3v -9 v cco = 3.0v -12 i ol low-level output current i/o pins v cco = 1.2v -3 v cco = 1.4v 5 v cco = 1.65v 8 v cco = 2.3v 9 v cco = 3.0v 12 ?v/?t input transition rise or fall rate 10 v/ns t a operating free-air temperature -40 85 c notes : 1. v cci is the v cc associated with the data input port. 2. v cco is the v cc associated with the data output port. 3. to ensure proper device operation, all unused device inputs must be held at v cci or gnd. 06-0046
4 ps8774f 04/05/06 pi4uls3v08m 1 .2v to 3.6v, universal bi-directional level shifter with automatic direction control & advanced package solution electrical characteristics for (over recommended free-air temperature range, unless otherwise noted.) (3) parameter description test conditions v cca/ v ccb min. typ. (1) max. units v oh high-level output voltage i oh = -100a 1.2v to 3.6v v cco - 0.1v v i oh = -2ma 1.2v 0.8 i oh = -4ma 1.4v 1 i oh = -7ma 1.65v 1.2 i oh = -9ma 2.3v 1.8 i oh = -12ma 3.0v 2.4 v ol low-level output voltage i ol = 100a 1.2v to 3.6v 0.2 i ol = 2ma 1.2v 0.1 i ol = 4ma 1.4v 0.4 i ol = 7ma 1.65v 0.4 i ol = 9ma 2.3v 0.4 i ol = 12ma 3.0v 0.4 i cc quiescent supply current v i = v cci or gnd, i o = 0 1.2v to 3.6v 10 a i i control inputs (oe and sel) v i = v ccb or gnd 1.2v to 3.6v 5 i oz (2) 3-state output current v o = v cco or gnd 1.2v to 3.6v 10 i off power-off leakage current v i or v o = 0 to 3.6v 0v 10 c in control input capacitance v i = v ccb or gnd 3 pf c io i/o capacitance v o = v cca/b or gnd 5 notes : 1. all typical values are at t a = 25c. 2. for i/o ports, the parameter i oz includes the input leakage current. 3. parameters are specifed under test mode conditions. 06-0046
5 ps8774f 04/05/06 pi4uls3v08m 1 .2v to 3.6v, universal bi-directional level shifter with automatic direction control & advanced package solution timing characteristics for v cca = 1.8v 0.15v (over recommended free-air temperature range, unless otherwise noted.) parameter from (input) to (output) v ccb = 1.2v v ccb = 1.5v 0.1v v ccb = 1.8v 0.15v v ccb = 2.5v 0.2v v ccb = 3.3v 0.3v units typ min. max. min. max. min. max. min. max. t pd a b 8 1.0 6.0 0.5 5.5 0.5 5.0 0.5 4.5 ns b a 6 1.0 6.0 0.5 5.5 0.5 5.0 0.5 4.5 t sk(a) (1) 0.25 0.25 0.25 0.25 t sk(b) (1) 0.2 0.2 0.2 0.2 f max 10pf load b a 13 15 20 25 30 mhz a b 16 20 20 22 24 timing characteristics for v cca = 2.5v 0.2v (over recommended free-air temperature range, unless otherwise noted.) parameter from (input) to (output) v ccb = 1.2v v ccb = 1.5v 0.1v v ccb = 1.8v 0.15v v ccb = 2.5v 0.2v v ccb = 3.3v 0.3v units typ min. max. min. max. min. max. min. max. t pd a b 8 1.0 5.5 0.5 5.0 0.5 4.5 0.5 4.0 ns b a 6 1.0 5.5 0.5 5.0 0.5 4.5 0.5 4.0 t sk(a) (1) 0.25 0.25 0.25 0.25 t sk(b) (1) 0.2 0.2 0.2 0.2 f max 10pf load b a 13 15 22 35 40 mhz a b 18 23 30 35 35 note : 1. this is the skew between any two outputs of the same package, and switching in the same direction. for t sk(a) , output 1 and output 2 are any two outputs. for t sk(b) , output 1 and output 2 are in the same bank. these parameters are warranted but not production tested. timing characteristics for v cca = 1.5v 0.1v (over recommended free-air temperature range, unless otherwise noted.) parameter from (input) to (output) v ccb = 1.2v v ccb = 1.5v 0.1v v ccb = 1.8v 0.15v v ccb = 2.5v 0.2v v ccb = 3.3v 0.3v units typ min. max. min. max. min. max. min. max. t pd a b 8 1.0 7.0 1.0 6.5 1.0 6.0 1.0 5.0 ns b a 6 1.0 7.0 1.0 6.5 1.0 6.0 1.0 5.5 t sk(a) (1) 0.3 0.3 0.3 0.3 t sk(b) (1) 0.25 0.25 0.25 0.25 f max 10pf load b a 12 15 20 22 25 mhz a b 15 15 15 16 17 06-0046
6 ps8774f 04/05/06 pi4uls3v08m 1 .2v to 3.6v, universal bi-directional level shifter with automatic direction control & advanced package solution operating characteristics ( v cca and v ccb = 2.5v, t a = 25c) parameter test conditions typ. units cpd (1) (v cca ) power dissipation capacitance a to b outputs enabled c l = 0 f = 10 mhz 15 pf outputs disabled 2 power dissipation capacitance b to a outputs enabled 30 outputs disabled 10 cpd (1) (v ccb ) power dissipation capacitance a to b outputs enabled c l = 0 f = 10 mhz 30 pf outputs disabled 10 power dissipation capacitance b to a outputs enabled 15 outputs disabled 2 notes : 1. this is the skew between any two outputs of the same package, and switching in the same direction. for t sk(a) , output 1 and output 2 are any two outputs. for t sk(b) , output 1 and output 2 are in the same bank. these parameters are warranted but not production tested. notes : 1. this parameter is specifed under test mode conditions. timing characteristics for v cca = 3.3v 0.3v (over recommended free-air temperature range, unless otherwise noted.) parameter from (input) to (output) v cca = 1.2v v ccb = 1.5v 0.1v v ccb = 1.8v 0.15v v ccb = 2.5v 0.2v v ccb = 3.3v 0.3v units typ. min. max. min. max. min. max. min. max. t pd a b 1.0 6.0 0.5 5.0 0.5 4.5 0.5 4.0 ns b a 1.0 5.5 0.05 5.0 0.5 4.5 0.5 4.0 t sk(a) (1) 0.25 0.25 0.25 0.25 t sk(b) (1) 0.2 0.2 0.2 0.2 f max 10pf load b a 13 15 24 35 45 mhz a b 15 25 30 40 45 06-0046
7 ps8774f 04/05/06 pi4uls3v08m 1 .2v to 3.6v, universal bi-directional level shifter with automatic direction control & advanced package solution parameter measurement information figure 1. load circuit and voltage waveforms voltage waveforms propagation delay times notes: ? c l includes probe and jig capacitance. ? all input pulses are supplied by generators having the following characteristics: prr 10mz, z o = 50, tr 2.5ns, tf 2.5ns. ? the outputs are measured one at a time with one transition per measurement. ? v cci defnes the input port (v cca or v ccb ). ? v cco defnes the output port (v cca or v ccb ). v cca /v ccb c l 1.4v ~ 1.6v 1.8v 0.15v 2.5v 0.2v 3.3v 0.3v 10pf 20pf 30pf 50pf test circuit for t pd / t sk c l output input t plh t phl v cci /2 v cci /2 v cci v cco /2 v cco /2 0v v oh v ol output 06-0046
8 ps8774f 04/05/06 pi4uls3v08m 1 .2v to 3.6v, universal bi-directional level shifter with automatic direction control & advanced package solution ordering information ordering code packaging code package description PI4ULS3V08MZLE zl pb-free & green, 32-contact, tqfn notes: ? thermal characteristics can be found on the company web site at www.pericom.com/packaging/ ? e = pb-free and green ? x suffx = tape/reel pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com packaging mechanical: 32-contact tqfn 06-0046
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