SLLS350Q April   1999  – August 2024 MAX3243

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  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics –– Auto Power Down
    6. 5.6  Electrical Characteristics –– Driver
    7. 5.7  Electrical Characteristics –– Receiver
    8. 5.8  Switching Characteristics –– Auto Power Down
    9. 5.9  Switching Characteristics –– Driver
    10. 5.10 Switching Characteristics –– Receiver
    11. 5.11 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Auto-Power-Down
      2. 7.3.2 Charge Pump
      3. 7.3.3 RS232 Driver
      4. 7.3.4 RS232 Receiver
      5. 7.3.5 ROUT2B Receiver
      6. 7.3.6 Invalid Input Detection
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

7.4 Device Functional Modes

Table 7-1 Each Driver(1)
INPUTSOUTPUTDRIVER STATUS
DINFORCEONFORCEOFFVALID RIN
RS-232 LEVEL		DOUT
XXLXZPowered off
LHHXHNormal operation with
auto-powerdown disabled
HHHXL
LLHYESHNormal operation with
auto-powerdown enabled
HLHYESL
XLHNOZPower off by
auto-powerdown feature
(1) H = high level, L = low level, X = irrelevant, Z = high impedance, YES = any RIN valid, NO = all RIN invalid
Table 7-2 Each Receiver(1)
INPUTSOUTPUTSRECEIVER STATUS
RINFORCEONFORCEOFFROUT
XXLZPowered off
LXHHNormal operation
HXHL
OpenXHH
(1) H = high level, L = low level, X = irrelevant, Z = high impedance (off), Open = input disconnected or connected driver off
Table 7-3 INVALID and ROUT2B Outputs(1)
INPUTSOUTPUTSOUTPUT STATUS
VALID RIN
RS-232 LEVEL		RIN2FORCEONFORCEOFFINVALIDROUT2B
YESLXXHLAlways Active
YESHXXHH
YESOPENXXHLAlways Active
NOOPENXXLL
(1) H = high level, L = low level, X = irrelevant, Z = high impedance (off),
OPEN = input disconnected or connected driver off, YES = any RIN valid, NO = all RIN invalid