74HC564 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
74HC564 Datasheet PDF : 7 Pages
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Philips Semiconductors
Octal D-type flip-flop; positive-edge trigger;
3-state; inverting
Product specification
74HC/HCT564
FUNCTION TABLE
OPERATING
MODES
load and read
register
load register and
disable outputs
INPUTS
OE CP Dn
L
↑
l
L
↑
h
H↑
l
H↑
h
INTERNAL
FLIP-FLOPS
L
H
L
H
OUTPUTS
Q0 to Q7
H
L
Z
Z
Notes
1. H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH
CP transition
L = LOW voltage level
l = LOW voltage level one set-up time prior to the LOW-to-HIGH
CP transition
Z = high impedance OFF-state
↑ = LOW-to-HIGH clock transition
Fig.4 Functional diagram.
Fig.5 Logic diagram.
December 1990
4
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