A	1  •	16	Vcc
A	2	15	H
B	3	14	G
B	4	13	G NAND H
C NOR D	5	12	F
C	6	11	F
D	7	10	E
GND	8	9	E

Pin	Symbol	Description
1	A	inverter 1 output
2	A	inverter 1 input
3	B	inverter 2 output
4	B	inverter 2 input
5	C NOR D	NOR gate output
6	C	NOR gate input
7	D	NOR gate input
8	GND	ground
9	E	inverter 3 output
10	E	inverter 3 input
11	F	inverter 4 output
12	F	inverter 4 input
13	G NAND H	NAND gate output
14	G	NAND gate input
15	H	NAND gate input
16	Vcc	supply voltage