SCPS225E August   2011  – October 2024 TCA9509

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 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 Timing Requirements
    7. 5.7 I2C Interface Timing Requirements
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Two-Channel Bidirectional Buffer
      2. 7.3.2 Integrated A-Side Current Source
      3. 7.3.3 Standard Mode and Fast Mode Support
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Clock Stretching Support
        2. 8.2.2.2 VILC and Pulldown Strength Requirements
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information
    1. 13.1 Tape and Reel Information

Package Options

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

5.5 Electrical Characteristics

VCCB = 2.7 V to 5.5 V, VCCA = 0.9 V to (VCCB-1), TA = –40°C to 85°C (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
VIKInput clamp voltageII = –18 mA–1.5–0.5V
VOLLow-level output voltageSDAA, SCLAIOL = 10 μA,
VILA = VILB = 0 V,
VCCA = 0.9 to 1.2 V		0.180.25V
SDAA, SCLAIOL = 20 μA,
VILA = VILB = 0 V,
1.2V < VCCA ≤ (VCCB – 1 V)		0.20.3
VOL – VILcLow-level input voltage below low-level output voltageSDAA, SCLA50mV
VILcSDA and SCL low-level input voltage contentionSDAA, SCLAVCCA ≥ 1.5 V and VCCB ≥ 3.15 V110150mV
VCCA < 1.5 V or VCCB < 3.15 V50100
VOLBLow-level output voltageSDAB, SCLBIOL = 6 mA0.10.2V
ICCQuiescent supply current for VCCAAll port A Static high0.250.450.9mA
All port A Static low1.25
ICCQuiescent supply current for VCCBAll port B Static high0.20.51.1mA
IIInput leakage currentSDAB, SCLBVI = VCCB±1μA
VI = 0.2 V10
SDAA, SCLAVI = VCCA±1
VI = 0.2 V10
ENVI = VCCB±1
VI = 0.2 V–10
IOHHigh-level output leakage currentSDAB, SCLBVO = 3.6 V10μA
SDAA, SCLA10
CIOAI/O capacitance of A-sideSCLA, SDAAVI = 0 V6.57pF
CIOBI/O capacitance of B-sideSCLB, SDABVI = 0 V5.56.2pF