Datasheet

SN54HC164 , SN74HC164
www.ti.com SCLS115G –DECEMBER 1982–REVISED SEPTEMBER 2015
7.9 Timing Requirements, T
A
= –55°C to 125°C
over recommended operating free-air temperature range (unless otherwise noted)
RECOMMENDED
SN54HC164
SN74HC164
PARAMETER V
CC
UNIT
MIN NOM MAX MIN NOM MAX
2 V 4.2 4.2
f
clock
Clock frequency 4.5 V 21 21 MHz
6 V 25 25
2 V 150 125
CLR low 4.5 V 30 25
6 V 25 21
t
w
Pulse duration ns
2 V 120 120
CLK high or low 4.5 V 24 24
6 V 20 20
2 V 150 125
Data 4.5 V 30 25
6 V 25 25
t
su
Setup time before CLK↑ ns
2 V 150 125
CLR inactive 4.5 V 30 25
6 V 25 25
2 V 5 5
t
h
Hold time, data after CLK↑ 4.5 V 5 5 ns
6 V 5 5
7.10 Timing Requirements, T
A
= –55°C to 85°C
over recommended operating free-air temperature range (unless otherwise noted)
SN74HC164
PARAMETER V
CC
UNIT
MIN NOM MAX
2 V 5
f
clock
Clock frequency 4.5 V 25 MHz
6 V 28
2 V 125
CLR low 4.5 V 25
6 V 21
t
w
Pulse duration ns
2 V 100
CLK high or low 4.5 V 20
6 V 18
2 V 125
Data 4.5 V 25
6 V 21
t
su
Setup time before CLK↑ ns
2 V 125
CLR inactive 4.5 V 25
6 V 21
2 V 5
t
h
Hold time, data after CLK↑ 4.5 V 5 ns
6 V 5
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