SLLS792B June   2007  – July 2021 TRS3221E

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  ESD Ratings, IEC Specifications
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Information
    6. 6.6  Electrical Characteristics
    7. 6.7  Driver Section Electrical Characteristics
    8. 6.8  Driver Section Switching Characteristics
    9. 6.9  Receiver Section Electrical Characteristics
    10. 6.10 Receiver Section Switching Characteristics
    11. 6.11 Auto-Powerdown Section Electrical Characteristics
    12. 6.12 Auto-Powerdown Section Switching Characteristics
    13. 6.13 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 Power
      2. 8.3.2 RS232 Driver
      3. 8.3.3 RS232 Receiver
      4. 8.3.4 RS232 Status
    4. 8.4 Device Functional Modes
  9. 9 Application Information Disclaimer
    1. 9.1 Application Information
    2. 9.2 Typical Application
    3. 9.3 Design Requirements
    4. 9.4 Detailed Design Procedure
    5. 9.5 Application Curve
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 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
  12. 12Mechanical, Packaging, and Orderable Information

1 Features

  • ESD Protection for RS-232 Pins
    • ±15-kV Human-Body Model (HBM)
    • ±8 kV (IEC 61000-4-2, contact discharge)
    • ±15 kV (IEC 61000-4-2, air-gap discharge)
  • Meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards
  • Operates with 3-V to 5.5-V VCC supply
  • Operates up to 250 kbit/s
  • One driver and one receiver
  • Near chip-scale package, 16-pin VQFN (RGT, 82% smaller than TSSOP package)
  • Low standby current: 1 μA Typical
  • External capacitors: 4 × 0.1 μF
  • Accepts 5-V logic input with 3.3-V supply
  • Alternative high-speed pin-compatible device (1 Mbit/s)
    • TRSF3221E
  • Auto-powerdown feature automatically disables drivers for power savings
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