SCPS133K December   2005  – December 2024 PCA9557

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
  6. Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 I2C Interface Timing Requirements
    7. 5.7 Reset Timing Requirements
    8. 5.8 Switching Characteristics
    9. 5.9 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 7.1 Functional Block Diagram
    2. 7.2 Feature Description
      1. 7.2.1 RESET
        1. 7.2.1.1 RESET Errata
          1. 7.2.1.1.1 System Impact
          2. 7.2.1.1.2 System Workaround
      2. 7.2.2 Power-On Reset
    3. 7.3 Programming
      1. 7.3.1 I2C Interface
    4. 7.4 Register Maps
      1. 7.4.1 Device Address
      2. 7.4.2 Control Register And Command Byte
      3. 7.4.3 Register Descriptions
        1. 7.4.3.1 Bus Transactions
          1. 7.4.3.1.1 Writes
          2. 7.4.3.1.2 Reads
  9. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Detailed Design Procedure
        1. 8.2.1.1 Minimizing ICC when I/O is Used to Control LED
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power-On Reset Errata
        1. 8.3.1.1 System Impact
  10. Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

Typical Characteristics

PCA9557 Supply Current vs TemperatureFigure 5-1 Supply Current vs Temperature
PCA9557 Supply Current vs Supply VoltageFigure 5-3 Supply Current vs Supply Voltage
PCA9557 I/O Sink Current vs Output Low VoltageFigure 5-5 I/O Sink Current vs Output Low Voltage
PCA9557 I/O Source Current vs Output High Voltage (P7–P1)Figure 5-7 I/O Source Current vs Output High Voltage (P7–P1)
PCA9557 I/O Source Current vs Output High Voltage (P7–P1)Figure 5-9 I/O Source Current vs Output High Voltage (P7–P1)
PCA9557 Output High Voltage vs Temperature (P7–P1)Figure 5-11 Output High Voltage vs Temperature (P7–P1)
PCA9557 Standby Supply Current vs TemperatureFigure 5-2 Standby Supply Current vs Temperature
PCA9557 I/O Sink Current vs Output Low VoltageFigure 5-4 I/O Sink Current vs Output Low Voltage
PCA9557 I/O Sink Current vs Output Low VoltageFigure 5-6 I/O Sink Current vs Output Low Voltage
PCA9557 I/O Source Current vs Output High Voltage (P7–P1)Figure 5-8 I/O Source Current vs Output High Voltage (P7–P1)
PCA9557 Output High Voltage vs Supply Voltage (P7–P1)Figure 5-10 Output High Voltage vs Supply Voltage (P7–P1)
PCA9557 Output Low Voltage vs TemperatureFigure 5-12 Output Low Voltage vs Temperature