SLLS790E June   2007  – December 2024 TRS3232E

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 ESD Ratings - IEC Specifications
    4. 5.4 Recommended Operating Conditions
    5. 5.5 Thermal Information
    6. 5.6 Electrical Characteristics — Device
    7. 5.7 Electrical Characteristics — Driver
    8. 5.8 Electrical Characteristics — Receiver
    9. 5.9 Switching Characteristics
    10.     Typical Characteristics
  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 Power
      2. 7.3.2 RS232 Driver
      3. 7.3.3 RS232 Receiver
    4. 7.4 Device Functional Modes
      1. 7.4.1 VCC Powered by 3V to 5.5V
      2. 7.4.2 VCC Unpowered, VCC = 0V
  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
      3. 8.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

1 Features

  • ESD protection for RS-232 bus pins
    • ±15kV (HBM)
    • ±8kV (IEC61000-4-2, Contact discharge)
    • ±15kV (IEC61000-4-2, Air-gap discharge)
  • Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards
  • Operates with 3V to 5.5V VCC supply
    • Interoperable with RS-232 down to 2.7V VCC
  • Operates up to 250kbps
  • Two drivers and two receivers
  • Low supply current: 300μA (typical)
  • External capacitors: 4 × 0.1μF
  • Accepts 5V logic input with 3.3V supply
  • Available in near chip-scale package (QFN-16, 3mm x 3mm), 85% smaller than SOIC-16
  • Pin compatible to alternative high-speed devices (1Mbps)
    • SN65C3232E (–40°C to +85°C)
    • SN75C3232E (0°C to 70°C)