74HC563N Datasheet, PDF (4/7 Pages) NXP Semiconductors – Octal D-type transparent latch 3-state inverting

Philips Semiconductors
Octal D-type transparent latch; 3-state;
inverting
Product specification
74HC/HCT563
Fig.4 Functional diagram.
FUNCTION TABLE
OPERATING
MODES
enable and
read register
latch and read
register
latch register
and disable
outputs
INPUTS
OE LE D_n
LHL
L HH
LL l
LLh
HL l
HLh
INTER-
NAL
LATCHES
L
H
L
H
L
H
OUT-
PUTS
Q₀ to Q₇
H
L
H
L
Z
Z
Notes
1. H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the
HIGH-to-LOW LE transition
L = LOW voltage level
l = LOW voltage level one set-up time prior to the
HIGH-to-LOW LE transition
Z = high impedance OFF-state
December 1990
Fig.5 Logic diagram.
4