Datasheet

1998 Jun 04 14
Philips Semiconductors Product specification
8-bit serial-in/serial or parallel-out shift
register with output latches; 3-state
74HC/HCT595
Fig.11 Waveforms showing the 3-state enable and disable times for input OE.
(1) HC: V
M
= 50%; V
I
= GND to V
CC
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
handbook, full pagewidth
MSA697
t
PLZ
t
PHZ
outputs
disabled
outputs
enabled
90%
10%
outputs
enabled
OE INPUT
V
M
(1)
t
PZL
t
PZH
V
M
(1)
V
M
(1)
Q
n
OUTPUT
LOW-to-OFF
OFF-to-LOW
Q
n
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
t
r
t
f
90%
10%