HEF4555BN 查看數據表（PDF） - Philips Electronics
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HEF4555BN Datasheet PDF : 4 Pages
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Philips Semiconductors
Dual 1-of-4 decoder/demultiplexer
Product specification
HEF4555B
MSI
Fig.3 Logic diagram (one decoder/multiplexer).
TRUTH TABLE
INPUTS
OUTPUTS
E A0
A1
O0
O1
O2
O3
LL
L
H
L
L
L
LH
L
L
H
L
L
LL
H
L
L
H
L
LH
H
L
L
L
H
HX
X
L
L
L
L
Notes
1. H = HIGH state (the more positive voltage)
2. L = LOW state (the less positive voltage)
3. X = state is immaterial
January 1995
3
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