74HC243NB 데이터 시트보기 (PDF) - Philips Electronics
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74HC243NB Datasheet PDF : 8 Pages
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Philips Semiconductors
Quad bus transceiver; 3-state
Product specification
74HC/HCT243
FUNCTION TABLE
OEA
L
H
L
H
INPUTS
OEB
L
L
H
H
INPUTS/OUTPUTS
An
inputs
Z
Z
A=B
Bn
B=A
Z
Z
inputs
Notes
1. H = HIGH voltage level
L = LOW voltage level
Z = high impedance OFF-state
Fig.4 Functional diagram.
December 1990
4
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