SLLS154C March   1993  – February 2024 SN75ALS1177 , SN75ALS1178

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
  6. Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions
    3. 5.3 Thermal Information
    4. 5.4 Driver Section
      1. 5.4.1 Electrical Characteristics
      2. 5.4.2 Switching Characteristics
    5. 5.5 Receiver Section
      1. 5.5.1 Electrical Characteristics
      2. 5.5.2 Switching Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 7.1 Device Functional Modes
  9. Device and Documentation Support
    1. 8.1 Documentation Support
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • NS|16
  • N|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Features

  • Meet or exceed standards TIA/EIA-422-B and
    TIA/EIA-485-A
  • Designed for multipoint bus transmission on long bus lines in noisy environments
  • Low supply-current requirement 50mA maximum
  • Driver positive-and negative-current limiting
  • Driver common-mode output voltage range of
    –7V to 12V
  • Thermal shutdown protection driver 3-state outputs active-high enable
  • Receiver common-mode input voltage range of
    –12V to 12V
  • Receiver input sensitivity: ±200mV
  • Receiver hysteresis: 50mV typical
  • Receiver high input impedance: 12kΩ minimum
  • Receiver 3-state outputs active-low enable for SN75ALS1177 only
  • Operate from single 5V supply