SBOK090A January   2025  – April 2025 THVD9491-SEP

PRODUCTION DATA  

  1.   1
  2.   THVD9491-SEP Single-Event Effects (SEE) Radiation Report
  3.   Trademarks
  4. 1Overview
  5. 2Single-Event Effects (SEE) Mechanisms
  6. 3Test Device and Test Board Information
  7. 4Irradiation Facility and Setup
  8. 5Results
    1. 5.1 SEL Results
    2. 5.2 Event Rate Calculations
    3. 5.3 SET Results
  9. 6Summary
  10. 7References
  11. 8Revision History

1 Overview

The THVD9491-SEP is a space enhanced, ±40V fault-protected full-duplex RS-422/RS-485 transceiver using a 1.65V to 5.5V logic supply for data and enable logic signals, and a 3V to 5.5V bus side supply. The device has a slew rate select function that enables the use at two maximum speeds based on the SLR pin setting.

See the THVD9491-SEP product page for more details. Overview Information lists device information.

Table 1-1 Overview Information
DescriptionDevice Information
TI Part NumberTHVD9491-SEP
Orderable Part NumberTHVD9491DTSEP
VID NumberV62/24626
Device FunctionRadiation Tolerant 3V to 5.5V RS-485 Transceiver with Flexible I/O Supply and IEC ESD Protection
TechnologyLBC9
Exposure FacilityK500 Cyclotron at Texas A&M University
Heavy Ion Fluence per Run1 × 107ions / cm2

And 1 × 106ions / cm2

Irradiation Temperature125°C (for SEL testing)
and 25°C (for SET testing)