SCPS254D January   2014  – October 2021 TCA9539-Q1

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 RESET Timing Requirements
    8. 6.8 Switching Characteristics
    9. 6.9 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 I/O Port
      2. 8.3.2 RESET Input
      3. 8.3.3 Interrupt ( INT) Output
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-On Reset
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
    6. 8.6 Register Maps
      1. 8.6.1 Device Address
      2. 8.6.2 Control Register And Command Byte
      3. 8.6.3 Register Descriptions
        1. 8.6.3.1 Bus Transactions
          1. 8.6.3.1.1 Writes
          2. 8.6.3.1.2 Reads
  9. 9 Power Supply Recommendations
    1. 9.1 Power-On Reset Requirements
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary

Package Options

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

6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
VCC Supply voltage 1.65 3.6 V
VI/O I/O ports voltage SCL, SDA, A0, A1, RESET, INT (1) –0.5 5.5 V
For P00–P07, P10–P17 configured as outputs –0.5 3.6 V
For P00–P07, P10–P17 configured as inputs(1) –0.5 5.5 V
VIH High-level input voltage SCL, SDA, A0, A1, RESET, P07–P00, P10–P17 0.7 × VCC V
VIL Low-level input voltage SCL, SDA, A0, A1, RESET, P07–P00, P10–P17 0.3 × VCC V
IOH High-level output current P00–P07, P10–P17 –10 mA
IOL(2) Low-level output current P00–P07, P10–P17 Tj ≤ 65°C 25 mA
Tj = 85°C 18
Tj = 105°C 9
Tj = 125°C 4.5
Tj = 135°C 3.5
IOL(2) Low-level output current INT, SDA Tj ≤ 85°C 6 mA
Tj = 105°C 3
Tj = 125°C 1.8
Tj = 135°C 1.5
TA Operating free-air temperature –40 125 °C
(1) For voltages applied above VCC, an increase in ICC results.
(2) The values shown apply to specific junction temperatures. See the Section 9.2.1.1 section on how to calculate the junction temperature.