SN54HC164, SN74HC164
8-BIT PARALLEL-OUT SERIAL SHIFT REGISTERS
SCLS115D – DECEMBER 1982 – REVISED AUGUST 2003
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
T
= 25°C
SN54HC164
SN74HC164
A
V
UNIT
CC
MIN
MAX
6
MIN
MAX
4.2
21
MIN
MAX
5
2 V
4.5 V
6 V
f
Clock frequency
Pulse duration
31
25
MHz
clock
36
25
28
2 V
100
20
17
80
16
14
100
20
17
100
20
17
5
150
30
25
120
24
20
150
30
25
150
30
25
5
125
25
21
100
20
18
125
25
21
125
25
21
5
CLR low
4.5 V
6 V
t
w
ns
2 V
CLK high or low
Data
4.5 V
6 V
2 V
4.5 V
6 V
t
t
Setup time before CLK↑
ns
ns
su
2 V
CLR inactive
4.5 V
6 V
2 V
Hold time, data after CLK↑
4.5 V
6 V
5
5
5
h
5
5
5
switching characteristics over recommended operating free-air temperature range, C = 50 pF
L
(unless otherwise noted) (see Figure 1)
T
A
= 25°C
TYP
10
SN54HC164
SN74HC164
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
V
UNIT
CC
MIN
6
MAX
MIN
4.2
21
MAX
MIN
5
MAX
2 V
4.5 V
6 V
f
t
t
t
31
36
54
25
28
MHz
max
PHL
pd
62
25
2 V
140
28
205
41
295
59
255
51
CLR
CLK
Any Q
Any Q
4.5 V
6 V
24
35
51
46
ns
ns
2 V
115
23
175
35
265
53
220
44
4.5 V
6 V
20
30
45
38
2 V
38
75
110
22
95
4.5 V
6 V
8
15
19
t
6
13
19
16
operating characteristics, T = 25°C
A
PARAMETER
TEST CONDITIONS
TYP
UNIT
C
Power dissipation capacitance
No load
135
pF
pd
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
