HD74LV157A
Quad. 2-to-1 line Data Selectors / Multiplexers
(Noninverted Outputs)
ADE-205-263 (Z)
1st Edition
March 1999
Description
The HD74LV157A has four 2-input digital multiplexers with common select and strobe inputs. When the
strobe input is low, a 4-bit word is selected from one of two sources and is routed to the four outputs.
The device provides true data.
Low-voltage and high-speed operation is suitable for the battery-powered products (e.g., notebook
computers), and the low-power consumption extends the battery life.
Features
鈥?/div>
V
CC
= 2.0 V to 5.5 V operation
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
All inputs V
IH
(Max.) = 5.5 V (@V
CC
= 0 V to 5.5 V)
All outputs V
O
(Max.) = 5.5 V (@V
CC
= 0 V)
Typical V
OL
ground bounce < 0.8 V (@V
CC
= 3.3 V, Ta = 25擄C)
Typical V
OH
undershoot > 2.3 V (@V
CC
= 3.3 V, Ta = 25擄C)
Output current
鹵6
mA (@V
CC
= 3.0 V to 3.6 V),
鹵12
mA (@V
CC
= 4.5 V to 5.5 V)
Function Table
Inputs
STB
H
L
L
L
L
Note: H: High level
L: Low level
X: Immaterial
SEL
X
L
L
H
H
A
X
L
H
X
X
B
X
X
X
L
H
Output
L
L
H
L
H
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