米6体育平台手机版

ZHCSC52D January 2014 – November 2019 TCA9545A

PRODUCTION DATA.

封装选项

机械数据 (封装 | 引脚)

PW|20
- MPDS362A

散热焊盘机械数据 (封装 | 引脚)

订购信息

5 Pin Configuration and Functions

PW package

20-Pin TSSOP

Top View

Pin Functions

PIN		DESCRIPTION
NO.	NAME	DESCRIPTION
1	A0	Address input 0. Connect directly to V_CC or ground.
2	A1	Address input 1. Connect directly to V_CC or ground.
3	RESET	Active-low reset input. Connect to V_CC or V_DPUM⁽¹⁾ through a pull-up resistor if not used.
4	INT0	Active-low interrupt input 0. Connect to V_DPU0⁽¹⁾ through a pull-up resistor.
5	SD0	Serial data 0. Connect to V_DPU0⁽¹⁾ through a pul-up resistor.
6	SC0	Serial clock 0. Connect to V_DPU0^⁽¹⁾through a pull-up resistor.
7	INT1	Active-low interrupt input 1. Connect to V_DPU1⁽¹⁾ through a pull-up resistor.
8	SD1	Serial data 1. Connect to V_DPU1⁽¹⁾ through a pull-up resistor.
9	SC1	Serial clock 1. Connect to V_DPU1⁽¹⁾ through a pull-up resistor.
10	GND	Ground
11	INT2	Active-low interrupt input 2. Connect to V_DPU2⁽¹⁾ through a pull-up resistor.
12	SD2	Serial data 2. Connect to V_DPU2⁽¹⁾ through a pull-up resistor.
13	SC2	Serial clock 2. Connect to V_DPU2⁽¹⁾ through a pull-up resistor.
14	INT3	Active-low interrupt input 3. Connect to V_DPU3⁽¹⁾ through a pull-up resistor.
15	SD3	Serial data 3. Connect to V_DPU3⁽¹⁾ through a pull-up resistor.
16	SC3	Serial clock 3. Connect to V_DPU3⁽¹⁾ through a pull-up resistor.
17	INT	Active-low interrupt output. Connect to V_DPUM⁽¹⁾ through a pull-up resistor.
18	SCL	Serial clock line. Connect to V_DPUM⁽¹⁾ through a pull-up resistor.
19	SDA	Serial data line. Connect to V_DPUM⁽¹⁾ through a pull-up resistor.
20	VCC	Supply power

(1) V_DPUX is the pull-up reference voltage for the associated data line. V_DPUM is the master I²C master reference voltage and V_DPU0–V_DPU3 are the slave channel reference voltages.