Philips Semiconductors
Product specification
8-bit serial-in/serial or parallel-out shift
register with output latches; 3-state
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF.
T
amb
(°C)
SYMBOL PARAMETER
min
t
PHL
/ t
PLH
t
PHL
/ t
PLH
t
PHL
t
PZH
/ t
PZL
t
PHZ
/ t
PLZ
t
W
t
W
t
W
t
su
t
su
t
h
t
rem
f
max
propagation delay
SH
CP
to Q
7
’
propagation delay
ST
CP
to Q
n
propagation delay
MR to Q
7
’
3-state output enable
time OE to Q
n
3-state output disable
time OE to Q
n
shift clock pulse
width HIGH or LOW
storage clock pulse width
HIGH or LOW
master reset
pulse width LOW
set-up time D
S
to
SH
SP
set-up time SH
CP
to ST
CP
hold time D
S
to SH
CP
removal time MR
to SH
CP
maximum clock
pulse frequency
SH
CP
or ST
CP
−
−
−
−
−
16
16
20
16
16
3
10
30
+25
typ
25
24
23
21
18
6
5
8
5
8
−2
−7
52
max
42
40
40
35
30
−
−
−
−
−
−
−
−
−40
to
+85
min
−
−
−
−
−
20
20
25
20
20
3
13
24
max
53
50
50
44
38
−
−
−
−
−
−
−
−
74HC/HCT595
TEST CONDITION
−40
to
+125
UNIT V
CC
WAVEFORMS
(V)
min max
−
−
−
−
−
24
24
30
24
24
3
15
20
63
60
60
53
45
−
−
−
−
−
−
−
−
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
Fig.7
Fig.8
Fig.10
Fig.11
Fig.11
Fig.7
Fig.8
Fig.10
Fig.9
Fig.8
Fig.9
Fig.10
Figs 7 and 8
1998 Jun 04
11
PHILIPS [ NXP SEMICONDUCTORS ]
