Datasheet

SN54HC165, SN74HC165
SCLS116G –DECEMBER 1982–REVISED AUGUST 2013 www.ti.com
TIMING REQUIREMENTS
over recommended operating free-air temperature range (unless otherwise noted)
Recommended
SN54HC165 SN74HC165
T
A
= 25°C SN74HC165
–55°C TO 125°C –40°C TO 85°C
V
CC
UNIT
–40°C TO 125°C
MIN MAX MIN MAX MIN MAX MIN MAX
2 V 6 4.2 5 4.2
f
clock
Clock frequency 4.5 V 31 21 25 21 MHz
6 V 36 25 29 25
2 V 80 120 100 120
SH/LD low 4.5 V 16 24 20 24
6 V 14 20 17 20
t
w
Pulse duration ns
2 V 80 120 100 120
CLK high or low 4.5 V 16 24 20 24
6 V 14 20 17 20
2 V 80 120 100 120
SH/LD high before CLK↑ 4.5 V 16 24 20 24
6 V 14 20 17 20
2 V 40 60 50 60
SER before CLK↑ 4.5 V 8 12 10 12
6 V 7 10 9 10
ns
2 V 100 150 125 150
CLK INH low before
t
su
Setup time 4.5 V 20 30 25 30
CLK↑
6 V 17 25 21 25
2 V 40 60 50 60
CLK INH high before
4.5 V 8 12 10 12
CLK↑
6 V 7 10 9 10
2 V 100 150 125 150
Data before SH/LD↓ 4.5 V 20 30 25 30
6 V 17 26 21 26
2 V 5 5 5 5
SER data after CLK↑ 4.5 V 5 5 5 5 ns
6 V 5 5 5 5
t
h
Hold time
2 V 5 5 5 5
PAR data after SH/LD↓ 4.5 V 5 5 5 5
6 V 5 5 5 5
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