unisonic technologies co., ltd u74hc4094 cmos ic www.unisonic.com.tw 1 of 6 copyright ? 2012 unisonic technologies co., ltd qw-r502-645.b 8-stage shift & store bus register ? description the u74hc4094 consists of an 8-stage shift register and an 8-stage d-type latch with 3-stage para llel outputs. data is shifted serially through the shift register on the positive-going clock transition of the input singal. t he output of the la st stage qs1 can be used to cascade several devices. the output of qs1 is tran sferred to a second output(qs2) on the following negative-going clo ck transition of the input singal. the data of each stage of the shift r egister is provided with a latch whose data on the negative going transition of the strobe input signal. when the strobe input is held high, data propagates through the latch to a 3-state output buffer. the buffer is enabled when output enable input is taken high. ? features * operate from 2.0v to 6.0v * low power dissipation i cc =4 a(max) * high noise immunity characteristic of cmos devices sop-16 tssop-16 ? ordering information ordering number package packing lead free halogen free u74hc4094l-s16-r U74HC4094G-S16-R sop-16 tape reel u74hc4094l-p16-r u74hc4094g-p16-r tssop-16 tape reel u74hc4094l-p16-t u74hc4094g-p16-t tssop-16 tube
u74hc4094 cmos ic unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r502-645.b ? pin configuration ? function table inputs parallel outputs serial outputs cp oe str d qp0 qpn qs1 qs2 l x x z z q?6 nc l x x z z nc qp7 h l x nc nc q?6 nc h h l l qpn-1 q?6 nc h h h h qpn-1 q?6 nc h h h nc nc nc qp7 note:h : high voltage level; l : low voltage level. x : don?t care.high impedance off-state. nc: no change. z : high impedance off-state. : low-to-high cp transition. : high-to-low cp transition. q?6: the information in the seventh register stage is tr ansferred to the 8th register stage and qsn output at the positive clock edge ? logic symbol
u74hc4094 cmos ic unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r502-645.b ? logic diagram d cp q d cp d cp q str oe qp0 qp1 qp2 qp3 qp4 qp5 qp6 d cp q d cp q qp7 d cp q d cp q qs1 qs2 ? timing diagram
u74hc4094 cmos ic unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r502-645.b ? absolute maximum rating parameter symbol ratings unit supply voltage v cc -0.5 ~ 7.0 v input voltage v in -0.5 ~ v cc +0.5 v output voltage v out -0.5 ~ v cc +0.5 v v cc or gnd current i cc 50 ma input current i in 20 ma output current i out 25 ma storage temperature t stg -65 ~ + 150 note: absolute maximum ratings are those values be yond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? recommended operating conditions parameter symbol test conditions min typ max unit supply voltage v cc operating 2.0 6.0 v input voltage v in 0 v cc v output voltage v out 0 v cc v operating temperature t a -40 +125 input rise or fall times t r , t f v cc =2.0v 1000 ns v cc =4.5v 500 v cc =6.0v 400 ? electrical characteristics (t a =25 ) parameter symbol test conditions min typ max unit high-level input voltage v ih v cc =2v 1.5 v v cc =4.5v 3.15 v v cc =6v 4.2 v lowever output voltage v il v cc =2v 0.5 v v cc =4.5v 1.35 v v cc =6v 1.8 v high-level output voltage v oh v cc =2v, i oh =-20 a 1.9 v v cc =4.5v, i oh =-20 a 4.4 v v cc =6v, i oh =-20 a 5.9 v v cc =4.5v, i oh =-4.0ma 3.98 v v cc =6v, i oh =-5.2ma 5.48 v low-level output voltage v ol v cc =2v, i ol =20 a 0.1 v v cc =4.5v, i ol =20 a 0.1 v v cc =6v, i ol =20 a 0.1 v v cc =4.5v, i oh =4ma 0.26 v v cc =6v, i ol =5.2ma 0.26 v input leakage current i i ( leak ) v cc =6v, v in = v cc or gnd 0.1 a output off -state current i oz v cc =6v, v out =v cc or gnd 0.5 a quiescent supply current i q v cc =6v, v in =v cc or gnd, i out =0 4 a
u74hc4094 cmos ic unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r502-645.b ? switching characteristics (t a =25 ,see test circuit and waveforms) parameter symbol test conditions min typ max unit propagation delay from input (cp) to output(qs1) t phl /t plh v cc =2v 50 150 ns v cc =4.5v 18 30 ns v cc =6v 14 26 ns propagation delay from input (cp) to output(qs2) t phl /t plh v cc =2v 44 135 ns v cc =4.5v 16 27 ns v cc =6v 13 23 ns propagation delay from input (cp) to output(qpn) t phl /t plh v cc =2v 63 195 ns v cc =4.5v 23 39 ns v cc =6v 18 33 ns propagation delay from input (str) to output(qpn) t phl /t plh v cc =2v 58 180 ns v cc =4.5v 21 36 ns v cc =6v 17 31 ns 3-state output enable time from input (oe) to output(qpn) t pzh /t pzl v cc =2v 55 175 ns v cc =4.5v 20 35 ns v cc =6v 16 30 ns 3-state output disable time from input (oe) to output(qpn) t phz /t plz v cc =2v 41 125 ns v cc =4.5v 15 25 ns v cc =6v 12 21 ns output transition time(qsn qpn) t tlh / t thl v cc =2v 19 75 ns v cc =4.5v 7 15 ns v cc =6v 6 13 ns clock pulse width high or low(cp) t w v cc =2v 80 14 ns v cc =4.5v 16 5 ns v cc =6v 14 4 ns strobe pulse width high(str) t w v cc =2v 80 14 ns v cc =4.5v 16 5 ns v cc =6v 14 4 ns set-up time(d to cp) t su v cc =2v 50 14 ns v cc =4.5v 10 5 ns v cc =6v 9 4 ns set-up time(d to str) t su v cc =2v 100 28 ns v cc =4.5v 20 10 ns v cc =6v 17 8 ns hold time(d to cp) t h v cc =2v 3 -6 ns v cc =4.5v 3 -2 ns v cc =6v 3 -2 ns hold time(d to str) t h v cc =2v 0 -14 ns v cc =4.5v 0 -5 ns v cc =6v 0 -4 ns maximum clock pulse frequency f max v cc =2v 6 28 mhz v cc =4.5v 30 87 mhz v cc =6v 35 103 mhz ? operating characteristics parameter symbol test conditions min typ max unit power dissipation capacitance c pd no load 300 pf
u74hc4094 cmos ic unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r502-645.b ? test circuit and waveforms note: c l =50pf, r l =1k ? timing input 50% v cc 0v v cc data input setup time and hold time v cc t w t h pulse width propagation delay times t pzl enable and disable times t su v i v o oe 50% 50% 0v 0v 50% 50% v o 50% 50% v cc 0v 0v v cc v ol v oh 50% 50% 10% 90% t plz t pzh t phz v i v o 50% 50% 50% 50% t plh t phl v cc v oh v ol 0v note: cl includes probe and jig capacitance. prr 10mhz, zo = 50 ? , tr 6ns, tf 6ns. utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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