Datasheet

SN54HC164, SN74HC164
8-BIT PARALLEL-OUT SERIAL SHIFT REGISTERS
SCLS115E − DECEMBER 1982 − REVISED NOVEMBER 2010
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
V
T
A
= 25°C SN54HC164 SN74HC164
UNIT
V
CC
MIN MAX MIN MAX MIN MAX
UNIT
2 V 6 4.2 5
f
clock
Clock frequency
4.5 V
31 21 25
MHz
f
clock
Clock frequency
6 V 36 25 28
MHz
2 V 100 150 125
CLR low
4.5 V 20 30 25
t
Pulse duration
CLR low
6 V 17 25 21
ns
t
w
Pulse duration
2 V 80 120 100
ns
CLK high or low
4.5 V 16 24 20
CLK high or low
6 V 14 20 18
2 V 100 150 125
Data
4.5 V 20 30 25
t
Setup time before CLK↑
Data
6 V 17 25 21
ns
t
su
Setup time before CLK↑
2 V 100 150 125
ns
CLR inactive
4.5 V 20 30 25
CLR inactive
6 V 17 25 21
2 V 5 5 5
t
h
Hold time, data after CLK↑
4.5 V
5 5 5
ns
h
,
6 V 5 5 5
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO
V
T
A
= 25°C SN54HC164 SN74HC164
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 6 10 4.2 5
f
max
4.5 V 31 54 21 25
MHz
f
max
6 V 36 62 25 28
MHz
2 V 140 205 295 255
t
PHL
CLR Any Q
4.5 V 28 41 59 51
t
PHL
CLR
Any Q
6 V 24 35 51 46
ns
2 V 115 175 265 220
ns
t
p
d
CLK Any Q
4.5 V 23 35 53 44
t
pd
CLK
Any Q
6 V 20 30 45 38
2 V 38 75 110 95
t
t
4.5 V 8 15 22 19
ns
t
6 V 6 13 19 16
operating characteristics, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance No load 135 pF