SCPS147E October   2005  – March 2021 PCA9545A

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 I2C Interface Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Interrupt and Reset Timing Requirements
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
      1. 8.4.1 RESET Input
        1. 8.4.1.1 RESET Errata
          1. 8.4.1.1.1 23
          2. 8.4.1.1.2 24
      2. 8.4.2 Power-On Reset
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
    6. 8.6 Control Register
      1. 8.6.1 Device Address
      2. 8.6.2 Control Register Description
      3. 8.6.3 Control Register Definition
      4. 8.6.4 Interrupt Handling
  9. 9 Application Information Disclaimer
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Power-On Reset Requirements
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Support Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

GUID-36EAE31E-29AE-412F-A8C9-F93619BF9E8F-low.gif
Table 5-1 Pin Functions
PIN DESCRIPTION
NAME DGV, DW, PW,
AND RGY		 RGW GQN AND ZQN
A0 1 19 A2 Address input 0. Connect directly to VCC or ground.
A1 2 20 A1 Address input 1. Connect directly to VCC or ground.
RESET 3 1 B3 Active-low reset input. Connect to VDPUM(1) through a pull-up resistor, if not used.
INT0 4 2 B1 Active-low interrupt input 0. Connect to VDPU0(1) through a pull-up resistor.
SD0 5 3 C2 Serial data 0. Connect to VDPU0(1) through a pull-up resistor.
SC0 6 4 C1 Serial clock 0. Connect to VDPU0(1)through a pull-up resistor.
INT1 7 5 D3 Active-low interrupt input 1. Connect to VDPU1(1) through a pull-up resistor.
SD1 8 6 D1 Serial data 1. Connect to VDPU1(1) through a pull-up resistor.
SC1 9 7 E2 Serial clock 1. Connect to VDPU1(1) through a pull-up resistor.
GND 10 8 E1 Ground
INT2 11 9 E3 Active-low interrupt input 2. Connect to VDPU2(1) through a pull-up resistor.
SD2 12 10 E4 Serial data 2. Connect to VDPU2(1) through a pull-up resistor.
SC2 13 11 D2 Serial clock 2. Connect to VDPU2(1) through a pull-up resistor.
INT3 14 12 D4 Active-low interrupt input 3. Connect to VDPU3(1) through a pull-up resistor.
SD3 15 13 C3 Serial data 3. Connect to VDPU3(1) through a pull-up resistor.
SC3 16 14 C4 Serial clock 3. Connect to VDPU3(1) through a pull-up resistor.
INT 17 15 B2 Active-low interrupt output. Connect to VDPUM(1) through a pull-up resistor.
SCL 18 16 B4 Serial clock line. Connect to VDPUM(1) through a pull-up resistor.
SDA 19 17 A4 Serial data line. Connect to VDPUM(1) through a pull-up resistor.
VCC 20 18 A3 Supply power
(1) VDPUX is the pull-up reference voltage for the associated data line. VDPUM is the master I2C reference voltage while VDPU0-VDPU3 are the slave channel reference voltages.