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
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
74HC
SYMBOL PARAMETER
UNIT
WAVEFORMS
VCC
(V)
+25
−40 to +85
−40 to +125
min. typ. max. min. max. min. max.
tPHL/ tPLH propagation delay
CP to Qn
41
15
12
170
34
29
215
43
37
255
51
43
ns
2.0
4.5
6.0
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6
tPHL
propagation delay
MR to Qn
39
14
11
140
28
24
175
35
30
210
42
36
ns
2.0
4.5
6.0
t
THL/ tTLH output transition
19
7
6
75
15
13
95
19
16
110
22
19
ns
2.0
4.5
6.0
time
tW
tW
trem
tsu
th
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
master reset pulse
width; LOW
60
12
10
17
6
5
75
15
13
90
18
15
ns
2.0
4.5
6.0
removal time
MR to CP
60
12
10
17
6
5
75
15
13
90
18
15
ns
2.0
4.5
6.0
set-up time
Dsa, Dsb to CP
60
12
10
8
3
2
75
15
13
90
18
15
ns
2.0
4.5
6.0
hold time
4
4
4
−6
−2
−2
4
4
4
4
4
4
ns
2.0
4.5
6.0
Dsa, Dsb to CP
fmax
maximum clock
pulse frequency
6
30
35
23
71
85
5
24
28
4
20
24
MHz
2.0
4.5
6.0
December 1990
5
NXP [ NXP ]
