unisonic technologies co., ltd u74hc164 cmos ic www.unisonic.com.tw 1 of 5 copyright ? 2010 unisonic technologies co., ltd qw-r502-309.b 8-bit serial-in and parallel-out shift register ? description the u74hc164 is an 8-bit edge-triggered shift registers with serial input and parallel output. a low-to-high transition on the cp will shifts the data one place to the right which is the logical and of dsa and dsb. a low level on the mr will clear the registers asynchronously and force the outputs low. ? features * operation voltage range: 2~6v * asynchronous reset input * specified from -40~ +125 sop-14 dip-14 tssop-14 ? ordering information order number lead free plating halogen free package packing u74hc164l-d14-t u74hc164g-d14-t dip-14 tube u74hc164l-s14-r U74HC164G-S14-R sop-14 tape reel u74hc164l-p14-r u74hc164g-p14-r tssop-14 tape reel
u74hc164 cmos ic unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r502-309.b ? pin configuration 1 2 3 4 5 6 7 14 13 12 11 10 9 8 gnd q3 q2 q1 q0 dsb dsa cp mr q4 q5 q6 q7 v cc ? function table input output mr cp dsa dsb q0 q1 to q7 l w w w l l to l h h l l q0 to q6 h h h h q0 to q6 h l h l q0 to q6 h l l l q0 to q6 ? functional diagram logic diagram iec logic symbol
u74hc164 cmos ic unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r502-309.b ? absolute maximum rating parameter symbol ratings unit supply voltage v cc -0.5~ +7 v v cc or gnd current i cc 50 ma output current i out 25 ma input diode current i ik 20 ma switch diode current i ok 20 ma dip-14 750 mw sop-14 500 mw power dissipation tssop-14 p d 500 mw storage temperature t stg -65 ~ +150 note: absolute maximum ratings are those values beyo nd which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? recommended operating comditions parameter symbol conditions min typ max unit supply voltage v cc 2.0 5.0 6.0 v input voltage v in 0 v cc v output voltage v out 0 v cc v v cc =2v 1000 ns v cc =4.5v 6.0 500 ns input transition rise or fall rate t r ,t f v cc =6v 400 ns ambient operating temperature t opr -40 125 ? electrical characteristics (t a =25 ) parameter symbol test conditions min typ max unit v cc =2.0v 1.5 1.2 v v cc =4.5v 3.15 2.4 v input voltage high-level v ih v cc =6.0v 4.2 3.2 v v cc =2.0v 0.8 0.5 v v cc =4.5v 2.1 1.35 v input voltage low-level v il v cc =6.0v 2.8 1.8 v v cc =2.0v, i oh =20a 1.9 2.0 v v cc =4.5v, i oh =20a 4.4 4.5 v v cc =6.0v, i oh =20a 5.9 6.0 v v cc =4.5v, i oh =4ma 3.98 4.32 v output voltage high-level v oh v cc =6.0v, i oh = 5.2ma 5.48 5.81 v v cc =2.0v, i ol =20a 0 0.1 v v cc =4.5v, i ol =20a 0 0.1 v v cc =6.0v, i ol =20a 0 0.1 v v cc =4.5v, i ol =4ma 0.15 0.26 v output voltage low-level v ol v cc =6.0v, i ol =5.2ma 0.16 0.26 v input leakage current i i(leak) v in =v cc or gnd, v cc =6.0v 0.1 a quiescent supply current i q v in =v cc or gnd, v cc =6.0v, i out =0 8 a input capacitance c in 3.5 pf
u74hc164 cmos ic unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r502-309.b ? dynamic characteristics (t a =25 , gnd=0v; t r =t f =6ns; c l =50pf, unless otherwise specified ) parameter symbol test conditions min typ max unit v cc =2.0v 41 170 ns v cc =4.5v 15 34 ns propagation delay from cp to qn t phl ,t plh v cc =6.0v 12 29 ns v cc =2.0v 39 140 ns v cc =4.5v 14 28 ns propagation delay from mr to qn t phl v cc =6.0v 11 24 ns v cc =2.0v 19 75 ns v cc =4.5v 7 15 ns output transition time t thl ,t tlh v cc =6.0v 6 13 ns v cc =2.0v 80 14 ns v cc =4.5v 16 5 ns clock pulse width high or low v cc =6.0v 14 4 ns v cc =2.0v 60 17 ns v cc =4.5v 12 6 ns master reset pulse width low t w v cc =6.0v 10 5 ns v cc =2.0v 60 17 ns v cc =4.5v 12 6 ns removal time mr to cp t rem v cc =6.0v 10 5 ns v cc =2.0v 60 8 ns v cc =4.5v 12 3 ns setup time dsa and dsb to cp t su v cc =6.0v 10 2 ns v cc =2.0v +4 -6 ns v cc =4.5v +4 -2 ns hold time dsa and dsb to cp t h v cc =6.0v +4 -2 ns v cc =2.0v 6 23 mh z v cc =4.5v 30 71 mh z maximum clock pulse frequency f max v cc =6.0v 35 85 mh z ? operating characteristics (t a =25 ) parameter symbol test conditions min typ max unit power dissipation capacitance c pd no load 40 pf
u74hc164 cmos ic unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r502-309.b ? test circuit and waveforms 50% 50% 50% cp dn gnd v cc gnd v cc t su t h setup time and hold time from output cl test circuit gnd cp qn v oh v ol v cc propagation delay times from cp to qn gnd v oh v ol v cc 1/f max 50% 50% t w t plh t phl 50% v cc 50% gnd 50% t w t rem t phl cp qn mr propagation delay times from mr to qn 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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