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Contents

README

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AM26LV31EIDR

Texas Instruments · RS-485 / RS-422 ICs · SOIC-16

AM26LV31EIDR from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1A input Logic data input to RS422 driver 1
2 1Y tri_state RS-422 data line for driver 1
3 1Z tri_state RS-422 data line for driver 1
4 G input Driver enable input (active high), transmitter outputs enabled when high
5 2Z tri_state RS-422 data line for driver 2
6 2Y tri_state RS-422 data line for driver 2
7 2A input Logic data input to RS422 driver 2
8 GND power_in Device ground pin
9 3A input Logic data input to RS422 driver 3
10 3Y tri_state RS-422 data line for driver 3
11 3Z tri_state RS-422 data line for driver 3
12 G input Driver enable input (active low), transmitter outputs enabled when low
13 4Z tri_state RS-422 data line for driver 4
14 4Y tri_state RS-422 data line for driver 4
15 4A input Logic data input to RS422 driver 4
16 VCC power_in Power supply input, 3.0V to 3.6V (nominal 3.3V)

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16
Category Interface
Pins 16

CAD (KiCad official)

  • Symbol: AM26LV31EIDR
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: am26lv31eidr-etched.step / am26lv31eidr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); am26lv31eidr.step / am26lv31eidr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (31 pp, sha256 d65bbb838129672a, retrieved 2026-09-22, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF