74HC253 Datasheet, PDF (3/7 Pages) NXP Semiconductors – Dual 4-input multiplexer; 3-state

Philips Semiconductors
Dual 4-input multiplexer; 3-state
PIN DESCRIPTION
PIN NO.
1, 15
14, 2
7, 9
8
6, 5, 4, 3
10, 11, 12, 13
16
SYMBOL
1OE, 2OE
S₀, S₁
1Y, 2Y
GND
1I₀ to 1I₃
2I₀ to 2I₃
V_CC
NAME AND FUNCTION
output enable inputs (active LOW)
common data select inputs
3-state multiplexer outputs
ground (0 V)
data inputs from source 1
data inputs from source 2
positive supply voltage
Product specification
74HC/HCT253
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3