5 Pin Configuration and Functions

Figure 5-1 SN54AHCT00 J or W Package,
14-Pin CDIP or CFP
SN74AHCT00 D, DB, DGV, N, NS, or PW Package, 14-Pin SOIC, SSOP, TVSOP, PDIP, SOP, or TSSOP (Top View)

Figure 5-2 SN74AHCT00 RGY, BQA Package,
14-Pin QFN, WQFN (Transparent Top View)

Table 5-1 Pin Functions

PIN		TYPE⁽¹⁾	DESCRIPTION
NAME	NO.	TYPE⁽¹⁾	DESCRIPTION
1A	1	I	Channel 1, Input A
1B	2	I	Channel 1, Input B
1Y	3	O	Channel 1, Output Y
2A	4	I	Channel 2, Input A
2B	5	I	Channel 2, Input B
2Y	6	O	Channel 2, Output Y
3A	9	O	Channel 3, Output Y
3B	10	I	Channel 3, Input A
3Y	8	I	Channel 3, Input B
4A	12	O	Channel 4, Output Y
4B	13	I	Channel 4, Input A
4Y	11	I	Channel 4, Input B
GND	7	G	Ground
V_CC	14	P	Positive Supply

(1) Signal Types: I = Input, O = Output, I/O = Input or Output, P = Power Supply, G = Ground.

Figure 5-3 SN54AHCT00 FK Package, 14-Pin LCCC (Top View)

Table 5-2 Pin Functions

PIN		TYPE⁽¹⁾	DESCRIPTION
NAME	NO.	TYPE⁽¹⁾	DESCRIPTION
1A	2	I	Channel 1, Input A
1B	3	I	Channel 1, Input B
1Y	4	O	Channel 1, Output Y
2A	6	I	Channel 2, Input A
2B	8	I	Channel 2, Input B
2Y	9	O	Channel 2, Output Y
3A	13	O	Channel 3, Output Y
3B	14	I	Channel 3, Input A
3Y	12	I	Channel 3, Input B
4A	18	O	Channel 4, Output Y
4B	19	I	Channel 4, Input A
4Y	16	I	Channel 4, Input B
NC	1, 5, 7, 11, 15, 17	—	No Connection
GND	10	G	Ground
V_CC	20	P	Positive Supply

(1) Signal Types: I = Input, O = Output, I/O = Input or Output, P = Power Supply, G = Ground.