4 Pin Configuration and Functions

Figure 4-1 SN54ACT04 J or W Package; SN74ACT04 D, DB, N, NS, or PW Package (Top View)

Figure 4-2 BQA Package, 14-Pin WQFN (Top View)

Figure 4-3 SN54ACT04 FK Package (Top View)

Table 4-1 Pin Functions

PIN			I/O⁽¹⁾	DESCRIPTION
NAME	BQA, D, DB, N, NS, PW, J, or W	FK	I/O⁽¹⁾	DESCRIPTION
1A	1	2	Input	Channel 1, Input A
1Y	2	3	Output	Channel 1, Output Y
2A	3	4	Input	Channel 2, Input A
2Y	4	6	Output	Channel 2, Output Y
3A	5	8	Input	Channel 3, Input A
3Y	6	9	Output	Channel 3, Output Y
GND	7	10	—	Ground
4Y	8	12	Output	Channel 4, Output Y
4A	9	13	Input	Channel 4, Input A
5Y	10	14	Output	Channel 5, Output Y
5A	11	16	Input	Channel 5, Input A
6Y	12	18	Output	Channel 6, Output Y
6A	13	19	Input	Channel 6, Input A
V_CC	14	20	—	Positive Supply
NC		1, 5, 7, 11, 15, 17	—	Not internally connected
Thermal pad			—	Connect the GND pin to the exposed thermal pad for correct operation. Connect the thermal pad to any internal PCB ground plane using multiple vias for good thermal performance.

(1) I = input, O = output, P = power, FB = feedback, GND = ground, N/A = not applicable