74hct563 NXP Semiconductors, 74hct563 Datasheet - Page 4

• Manufacturer Part Number: 74hct563
• Description: Octal D-type Transparent Latch; 3-state; Inverting
• Manufacturer: NXP Semiconductors

Philips Semiconductors
December 1990
Octal D-type transparent latch; 3-state;
inverting
Fig.4 Functional diagram.
Fig.5 Logic diagram.
4
FUNCTION TABLE
Notes
1. H = HIGH voltage level
enable and
read register
latch and read
register
latch register
and disable
outputs
OPERATING
h = HIGH voltage level one set-up time prior to the
L = LOW voltage level
l = LOW voltage level one set-up time prior to the
Z = high impedance OFF-state
MODES
HIGH-to-LOW LE transition
HIGH-to-LOW LE transition
OE LE
H
H
L
L
L
L
INPUTS
H
H
L
L
L
L
D
H
L
h
h
l
l
n
74HC/HCT563
INTER-
NAL
LATCHES
Product specification
H
H
H
L
L
L
Q
PUTS
OUT-
0
to Q
H
H
L
L
Z
Z
7