SLLS353I June   1999  – October 2022 SN65C3243 , SN75C3243

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  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Electrical Characteristics, Driver Section
    7. 6.7  Electrical Characteristics, Receiver Section
    8. 6.8  Electrical Characteristics, Auto-Powerdown Section
    9. 6.9  Switching Characteristics: Driver
    10. 6.10 Switching Characteristics: Receiver
    11. 6.11 Switching Characteristics: Auto-Powerdown
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Device Functional Modes
      1. 8.2.1 Function Tables
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.2.1 Function Tables

Each Driver, DIN(1)
INPUTSOUTPUT
DOUT		DRIVER STATUS
DINFORCEONFORCEOFFVALID RIN
RS-232 LEVEL
XXLXZPowered off
LHHXHNormal operation with auto-powerdown disabled
HHHXL
LLHYesHNormal operation with auto-powerdown enabled
HLHYesL
LLHNoZPowered off by auto-powerdown feature
HLHNoZ
(1) H = high level, L = low level, X = irrelevant, Z = high impedance
Each Receiver, RIN(1)
INPUTSOUTPUTSRECEIVER STATUS
RIN2RIN1,
RIN3–RIN5		FORCEOFFVALID RIN
RS-232 LEVEL		ROUT2BROUT2ROUT1,
ROUT3–5
LXLXLZZPowered off while
ROUT2B is active
HXLXHZZ
LLHYESLHHNormal operation with
auto-powerdown
disabled/enabled
LHHYESLLL
HLHYESHHH
HHHYESHLL
OpenOpenHYESLHH
(1) H = high level, L = low level, X = irrelevant, Z = high impedance (off), Open = input disconnected or connected driver off
GUID-96A96512-99AF-49E6-B795-55A3598E5123-low.gifFigure 8-1 Logic Diagram (Positive Logic)