hef4555b NXP Semiconductors, hef4555b Datasheet - Page 3

• Manufacturer Part Number: hef4555b
• Description: Dual 1-of-4 Decoder/demultiplexer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TRUTH TABLE
Notes
1. H = HIGH state (the more positive voltage)
2. L = LOW state (the less positive voltage)
3. X = state is immaterial
January 1995
Dual 1-of-4 decoder/demultiplexer
E
H
L
L
L
L
INPUTS
A
H
H
X
L
L
0
A
H
H
X
L
L
1
O
H
L
L
L
L
0
O
H
OUTPUTS
L
L
L
L
1
Fig.3 Logic diagram (one decoder/multiplexer).
O
H
L
L
L
L
2
O
H
L
L
L
L
3
3
Product specification
HEF4555B
MSI