SLLS694C November   2005  – July 2021 SN65C3221E , SN75C3221E

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  ESD Ratings - IEC Specifications
    4. 7.4  Recommended Operating Conditions
    5. 7.5  Thermal Information
    6. 7.6  Electrical Characteristics
    7. 7.7  Driver Section: Electrical Characteristics
    8. 7.8  Switching Characteristics: Driver
    9. 7.9  Receiver Section: Electrical Characteristics
    10. 7.10 Switching Characteristics: Receiver
    11. 7.11 Auto-powerdown Section: Electrical Characteristics
    12. 7.12 Switching Characteristics: Auto-powerdown
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
  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

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
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
  • Operate with 3-V to 5.5-V VCC supply
  • Operate up to 1 Mbit/s
  • Low Standby Current . . . 1 μA Typical
  • External capacitors . . . 4 × 0.1 μF
  • Accepts 5-V logic input with 3.3-V supply
  • RS-232 Bus-pin esd protection exceeds ±15 kv using human-body model (HBM)
  • Auto-powerdown feature automatically disables drivers for power savings