Y 0	1  •	24	Vcc
Y 1	2	23	A0
Y 2	3	22	A1
Y 3	4	21	A2
Y 4	5	20	A3
Y 5	6	19	E 1
Y 6	7	18	E 0
Y 7	8	17	Y 15
Y 8	9	16	Y 14
Y 9	10	15	Y 13
Y 10	11	14	Y 12
GND	12	13	Y 11

Pin	Symbol	Description
1	Y 0	data output (active low)
2	Y 1	data output (active low)
3	Y 2	data output (active low)
4	Y 3	data output (active low)
5	Y 4	data output (active low)
6	Y 5	data output (active low)
7	Y 6	data output (active low)
8	Y 7	data output (active low)
9	Y 8	data output (active low)
10	Y 9	data output (active low)
11	Y 10	data output (active low)
12	GND	ground
13	Y 11	data output (active low)
14	Y 12	data output (active low)
15	Y 13	data output (active low)
16	Y 14	data output (active low)
17	Y 15	data output (active low)
18	E 0	enable input (active low)
19	E 1	enable input (active low)
20	A3	address input
21	A2	address input
22	A1	address input
23	A0	address input
24	Vcc	supply voltage

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

Parameter	Value	Unit
Propagation delay, An to Y n	11 (74HC) 13 (74HCT)	ns
Propagation delay, E n to Y n	11 (74HC) 13 (74HCT)	ns