3 Pin Configuration and Functions

Figure 3-1 SN74LVC126A-Q1 D or PW Package;14-Pin SOIC or TSSOP (Top View)

Figure 3-2 SN74LVC126A-Q1 BQA Package;14-Pin WQFN (Top View)

Table 3-1 Pin Functions

PIN		I/O⁽¹⁾	DESCRIPTION
NO.	NAME	I/O⁽¹⁾	DESCRIPTION
1	1OE	I	Output enable 1
2	1A	I	Gate 1 input
3	1Y	O	Gate 1 output
4	2OE	I	Output enable 2
5	2A	I	Gate 2 input
6	2Y	O	Gate 2 output
7	GND	—	Ground pin
8	3Y	O	Gate 3 output
9	3A	I	Gate 3 input
10	3OE	I	Output enable 3
11	4Y	O	Gate 4 output
12	4A	I	Gate 4 input
13	4OE	I	Output Enable 4
14	V_CC	—	Power pin
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