SLLS789E April   2007  – December 2022 TRS3243E

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 ESD Ratings - IEC Specifications
    4. 6.4 Recommended Operating Conditions
    5. 6.5 Thermal Information
    6. 6.6 Electrical Characteristics
    7. 6.7 Switching Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Typical Application
      1. 9.1.1 Detailed Design Procedure
        1. 9.1.1.1 ESD Protection
        2. 9.1.1.2 ESD Test Conditions
        3. 9.1.1.3 Human-Body Model (HBM)
        4. 9.1.1.4 IEC61000-4-2 (Formerly Known as IEC1000-4-2)
  10. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

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

8.3 Device Functional Modes

Table 8-1 through Table 8-3 show the device functional modes.

Table 8-1 Each Driver
INPUTS(1) OUTPUT DRIVER STATUS
DIN FORCEON FORCEOFF VALID RIN
RS-232 LEVEL		 DOUT
X X L X Z Powered off
L H H X H Normal operation with
auto-powerdown disabled
H H H X L
L L H Yes H Normal operation with
auto-powerdown enabled
H L H Yes L
X L H No Z Powered off by auto-powerdown feature
(1) H = high level, L = low level, X = irrelevant, Z = high impedance
Table 8-2 Each Receiver
INPUTS(1) OUTPUT RECEIVER STATUS
RIN FORCEON FORCEOFF ROUT
X X L Z Powered off
L X H H Normal operation with
auto-powerdown disabled/enabled
H X H L
Open X H H
(1) H = high level, L = low level, X = irrelevant, Z = high impedance (off), Open = input disconnected or connected driver off
Table 8-3 ROUT2B And Outputs INVALID
INPUTS(1) OUTPUTS OUTPUT STATUS
VALID RIN
RS-232 LEVEL		 RIN2 FORCEON FORCEOFF INVALID ROUT2B
Yes L X X H L Always active
Yes H X X H H
Yes Open X X H L
No Open X X L L
(1) H = high level, L = low level, X = irrelevant, Z = high impedance (off), Open = input disconnected or connected driver off