I3	1  •	16	Vcc
I2	2	15	I4
I1	3	14	I5
I0	4	13	I6
Y	5	12	I7
Y	6	11	S0
OE	7	10	S1
GND	8	9	S2

Pin	Symbol	Description
1	I3	multiplexer input
2	I2	multiplexer input
3	I1	multiplexer input
4	I0	multiplexer input
5	Y	multiplexer output
6	Y	complementary multiplexer output
7	OE	enable input (active low; outputs in high-impedance off state when high)
8	GND	ground
9	S2	select input
10	S1	select input
11	S0	select input
12	I7	multiplexer input
13	I6	multiplexer input
14	I5	multiplexer input
15	I4	multiplexer input
16	Vcc	supply voltage

Specifications
(typical values under recommended operating conditions, unless specified)

Parameter	Value	Unit
Propagation delay, In to Y	15 (74HC) 19 (74HCT)	ns
Propagation delay, In to Y	17 (74HC) 19 (74HCT)	ns
Propagation delay, Sn to Y	20 (74HC/HCT)	ns
Propagation delay, Sn to Y	21 (74HC) 21 (74HCT)	ns