component
AM26C31CD
Public Made by Adomby adom
Texas Instruments RS-485 / RS-422 ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownAM26C31CD
Texas Instruments · RS-485 / RS-422 ICs · SOIC-16
AM26C31CD from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1A | input | Driver 1 input signal with VIH ≥ 2V and VIL ≤ 0.8V. |
| 2 | 1Y | tri_state | Driver 1 tri-state output with ±20mA drive capability. |
| 3 | 1Z | tri_state | Driver 1 inverted tri-state output with ±20mA drive capability. |
| 4 | G | input | Active high enable input for driver outputs. |
| 5 | 2Z | tri_state | Driver 2 inverted tri-state output with ±20mA drive capability. |
| 6 | 2Y | tri_state | Driver 2 tri-state output with ±20mA drive capability. |
| 7 | 2A | input | Driver 2 input signal with VIH ≥ 2V and VIL ≤ 0.8V. |
| 8 | GND | power_in | Ground reference pin. |
| 9 | 3A | input | Driver 3 input signal with VIH ≥ 2V and VIL ≤ 0.8V. |
| 10 | 3Y | tri_state | Driver 3 tri-state output with ±20mA drive capability. |
| 11 | 3Z | tri_state | Driver 3 inverted tri-state output with ±20mA drive capability. |
| 12 | G | input | Active low enable input for driver outputs. |
| 13 | 4Z | tri_state | Driver 3 inverted tri-state output with ±20mA drive capability. |
| 14 | 4Y | tri_state | Driver 3 tri-state output with ±20mA drive capability. |
| 15 | 4A | input | Driver 3 input signal with VIH ≥ 2V and VIL ≤ 0.8V. |
| 16 | VCC | power_out | Supply voltage input with operating range 4.5V to 5.5V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-16 |
| Category | Interface |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
AM26C31CD - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOIC-16 (KiCad packages3D, STEP)
- 3D model files:
am26c31cd-etched.step/am26c31cd-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);am26c31cd.step/am26c31cd.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (39 pp, sha256
7df5ef3836df8a62, retrieved 2026-10-01, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5-5(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).