OE 1	1  •	20	Vcc
A0	2	19	OE 2
A1	3	18	Y0
A2	4	17	Y1
A3	5	16	Y2
A4	6	15	Y3
A5	7	14	Y4
A6	8	13	Y5
A7	9	12	Y6
GND	10	11	Y7

Pin	Symbol	Description
1	OE 1	output enable (active low)
2	A0	data input
3	A1	data input
4	A2	data input
5	A3	data input
6	A4	data input
7	A5	data input
8	A6	data input
9	A7	data input
10	GND	ground
11	Y7	bus output
12	Y6	bus output
13	Y5	bus output
14	Y4	bus output
15	Y3	bus output
16	Y2	bus output
17	Y1	bus output
18	Y0	bus output
19	OE 2	output enable (active low)
20	Vcc	supply voltage

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

Parameter	Value	Unit
Propagation delay, An to Yn	10 (74HC) 12 (74HCT)	ns