5 Pin Configuration and Functions

15

14

13

12

11

10

2

3

4

5

6

7

Thermal

Pad

A1

A2

A3

A4

A5

A6

GND

B1

B2

B3

B4

B5

B6

OE

Figure 5-1. BQB Package, 16-Pin WQFN (Top View)

Table 5-1. Pin Functions

PIN

TYPE(1)

DESCRIPTION

NAME

NO.

VCCA

1

—

A-port supply voltage. 1.8 V ≤ VCCA ≤ 3.6 V. Make sure VCCA is powered up before VCCB

A1

2

I/O

Input/output A1. Referenced to VCCA.

A2

3

I/O

Input/output A2. Referenced to VCCA.

A3

4

I/O

Input/output A3. Referenced to VCCA.

A4

5

I/O

Input/output A4. Referenced to VCCA.

A5

6

I/O

Input/output A5. Referenced to VCCA.

A6

7

I/O

Input/output A6. Referenced to VCCA.

GND

8

—

Ground.

OE

9

I

Output Enable. Pull to GND to enable all outputs. Pull to VCCA to place all outputs in high-impedance mode.

Referenced to VCCA.

B6

10

I/O

Input/output B6. Referenced to VCCB.

B5

11

I/O

Input/output B5. Referenced to VCCB.

B4

12

I/O

Input/output B4. Referenced to VCCB.

B3

13

I/O

Input/output B3. Referenced to VCCB.

B2

14

I/O

Input/output B2. Referenced to VCCB.

B1

15

I/O

Input/output B1. Referenced to VCCB.

VCCB

16

—

B-port supply voltage. 1.8 V ≤ VCCB ≤ 3.6 V. Make sure VCCA is powered up before VCCB

Thermal pad

—

Thermal pad. Can be grounded (recommended) or left floating.

(1)

I = input, O = output

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TXV0106-Q1

SCES956 – AUGUST 2023

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