SLLS154C March   1993  – February 2024 SN75ALS1177 , SN75ALS1178

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 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. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Device Functional Modes
  9. 8 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. 9 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

7.1 Device Functional Modes

Table 7-1 SN75ALS1177, SN75ALS1178 Functional Table (Each Driver)
INPUT DENABLE DEOUTPUTS(1)
YZ
HHHL
LHLH
XLZZ
Table 7-2 SN75ALS1177 Functional Table (Each Receiver)
DIFFERENTIAL A–BENABLE RE(1)OUTPUT Y(1)
VID ≥ 0.2VLH
–0.2 V < VID < 0.2VL?
VID ≤ –0.2VLL
XHZ
OpenLH
Table 7-3 SN75ALS1178 Functional Table (Each Receiver)
DIFFERENTIAL A–BOUTPUT Y(1)
VID ≥ 0.2VH
–0.2 V < VID < 0.2V?
VID ≤ –0.2VL
OpenH
(1) H = High level, L = Low level, ? = Indeterminate, X = Irrelevant, Z = High impedance (off)
GUID-1E6D986B-7814-4FD4-9B04-809C0F21B826-low.pngFigure 7-1 Equivalent Schematics
GUID-A2B87D78-0CFE-40FC-9A95-B1A3F909D92A-low.pngFigure 7-2 Schematics of Outputs