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74HCT373 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. 74HCT373
Description  Octal D-type transparent latch; 3-state
Download  8 Pages
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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74HCT373 Datasheet(HTML) 4 Page - NXP Semiconductors

   
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September 1993
4
Philips Semiconductors
Product specification
Octal D-type transparent latch; 3-state
74HC/HCT373
Fig.4 Functional diagram.
Fig.5 Logic diagram (one latch).
FUNCTION TABLE
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
I = LOW voltage level one set-up time prior to the
HIGH-to-LOW LE transition
X = don’t care
Z = high impedance OFF-state
OPERATING
MODES
INPUTS
INTERNAL
LATCHES
OUTPUTS
OE LE
Dn
Q0 to Q7
enable and
read
register
(transparent
mode)
L
L
H
H
L
H
L
H
L
H
latch and
read register
L
L
L
L
l
h
L
H
L
H
latch register
and disable
outputs
H
H
X
X
X
X
X
X
Z
Z
Fig.6 Logic diagram.


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