5 Pin Configuration and Functions

Figure 5-1 RKS Package, 20-Pin VQFN (Transparent Top View)

Figure 5-2 DGS or PW Package, 20-Pin VSSOP or TSSOP (Top View)

Table 5-1 Pin Functions

PIN		TYPE⁽¹⁾	DESCRIPTION
NAME	NO.	TYPE⁽¹⁾	DESCRIPTION
DIR	1	I	Direction control input (L = B → A, H = A → B)
A1	2	I/O	Channel 1 output/input A
A2	3	I/O	Channel 2 output/input A
A3	4	I/O	Channel 3 output/input A
A4	5	I/O	Channel 4 output/input A
A5	6	I/O	Channel 5 output/input A
A6	7	I/O	Channel 6 output/input A
A7	8	I/O	Channel 7 output/input A
A8	9	I/O	Channel 8 output/input A
GND	10	G	Ground
B8	11	I/O	Channel 8 input/output B
B7	12	I/O	Channel 7 input/output B
B6	13	I/O	Channel 6 input/output B
B5	14	I/O	Channel 5 input/output B
B4	15	I/O	Channel 4 input/output B
B3	16	I/O	Channel 3 input/output B
B2	17	I/O	Channel 2 input/output B
B1	18	I/O	Channel 1 input/output B
OE	19	I	Output enable, active low
V_CC	20	P	Positive supply
Thermal Pad⁽²⁾		—	The thermal pad can be connected to GND or left floating. Do not connect to any other signal or supply.

(1) I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power

(2) RKS package only