Datasheet

December 1990 5
Philips Semiconductors Product specification
8-bit serial-in/parallel-out shift register 74HC/HCT164
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications” .
Output capability: standard
I
CC
category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
CP to Q
n
41
15
12
170
34
29
215
43
37
255
51
43
ns 2.0
4.5
6.0
Fig.6
t
PHL
propagation delay
MR to Q
n
39
14
11
140
28
24
175
35
30
210
42
36
ns 2.0
4.5
6.0
Fig.6
t
THL
/ t
TLH
output transition
time
19
7
6
75
15
13
95
19
16
110
22
19
ns 2.0
4.5
6.0
Fig.6
t
W
clock pulse width
HIGH or LOW
80
16
14
14
5
4
100
20
17
120
24
20
ns 2.0
4.5
6.0
Fig.6
t
W
master reset pulse
width; LOW
60
12
10
17
6
5
75
15
13
90
18
15
ns 2.0
4.5
6.0
Fig.6
t
rem
removal time
MR to CP
60
12
10
17
6
5
75
15
13
90
18
15
ns 2.0
4.5
6.0
Fig.6
t
su
set-up time
D
sa
, D
sb
to CP
60
12
10
8
3
2
75
15
13
90
18
15
ns 2.0
4.5
6.0
Fig.6
t
h
hold time
D
sa
,D
sb
to CP
4
4
4
−6
−2
−2
4
4
4
4
4
4
ns 2.0
4.5
6.0
Fig.6
f
max
maximum clock
pulse frequency
6
30
35
23
71
85
5
24
28
4
20
24
MHz 2.0
4.5
6.0
Fig.6