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74HC354 Datasheet, PDF (4/14 Pages) NXP Semiconductors – 8-input multiplexer/register with transparent latches; 3-state
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Philips Semiconductors
8-input multiplexer/register with
transparent latches; 3-state
Product specification
74HC/HCT354
FUNCTION TABLE
INPUTS
OUTPUTS
ADDRESS (1)
OUTPUT ENABLE
DESCRIPTION
S2
S1
S0 E
OE1
OE2
OE3 Y
Y
X
X
X
X
H
X
X
Z
Z
outputs in
X
X
X
X
X
H
X
Z
Z
high impedance
X
X
X
X
X
X
L
Z
Z
OFF-state
L
L
L
L
L
L
H
D0
D0
L
L
H
L
L
L
H
D1
D1
L
H
L
L
L
L
H
D2
D2
L
H
H
L
L
L
H
D3
D3
data latch is
H
L
L
L
L
L
H
D4
D4
transparent
H
L
H
L
L
L
H
D5
D5
H
H
L
L
L
L
H
D6
D6
H
H
H
L
L
L
H
D7
D7
L
L
L
H
L
L
H
D0n
D0n
L
L
H
H
L
L
H
D1n
D1n
L
H
L
H
L
L
H
D2n
D2n
L
H
H
H
L
L
H
D3n
D3n
data is
H
L
L
H
L
L
H
D4n
D4n
latched
H
L
H
H
L
L
H
D5n
D5n
H
H
L
H
L
L
H
D6n
D6n
H
H
H
H
L
L
H
D7n
D7n
Notes
1. This column shows the input address set-up with LE = LOW (address latch is transparent).
2. D0 to D7 = data at inputs D0 to D7
D0n to D7n = data at inputs D0 to D7 before the most recent LOW-to-HIGH transition of E
H = HIGH voltage level
L = LOW voltage level
X = don’t care
Z = high impedance OFF-state
December 1990
4
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