Philips Semiconductors
Product specification
8-bit shift register with input flip-flops
74HC/HCT597
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.
tsu
tsu
th
set-up time
DS to SHCP
60
12
10
11
4
3
75
15
13
90
18
15
ns
ns
ns
ns
2.0 Fig.11
4.5
6.0
set-up time
PL to SHCP
60
12
10
11
4
3
75
15
13
90
18
15
2.0 Fig.12
4.5
6.0
hold time
Dn to STCP
5
5
5
−3
−1
−1
5
5
5
5
5
5
2.0 Fig.11
4.5
6.0
th
hold time
PL, DS to SHCP
5
5
5
−6
−2
−2
5
5
5
5
5
5
2.0 Fig.11
4.5
6.0
fmax
maximum pulse frequency 6.0
29
87
104
4.8
24
28
4.0
20
24
MHz 2.0 Fig.7
SHCP
30
35
4.5
6.0
December 1990
8
NXP [ NXP ]
