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MAX3232EID

Public Made by Adom

by adom

Texas Instruments RS232 ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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MAX3232EID

Texas Instruments · RS232 ICs · SOIC-16

MAX3232EID 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 C1+ passive Positive lead of C1 capacitor for charge pump circuit.
2 V+ power_out Positive charge pump output for storage capacitor, 7-V maximum.
3 C1- passive Negative lead of C1 capacitor for charge pump circuit.
4 C2+ passive Positive lead of C2 capacitor for charge pump circuit.
5 C2- passive Negative lead of C2 capacitor for charge pump circuit.
6 V- power_out Negative charge pump output for storage capacitor, -7-V minimum.
7 DOUT2 output RS-232 line data output to remote RS-232 system with ±13.2-V driver range and ±15-kV IEC ESD protection.
8 RIN2 input RS-232 line data input from remote RS-232 system with ±25-V receiver range and ±15-kV IEC ESD protection.
9 ROUT2 output Logic data output to UART with -0.3 to VCC+0.3 V receiver range.
10 DIN2 input Logic data input from UART with 2-5.5-V high (3.3-V VCC) or 2.4-5.5-V high (5-V VCC), and 0-0.8-V low.
11 DIN1 input Logic data input from UART with 2-5.5-V high (3.3-V VCC) or 2.4-5.5-V high (5-V VCC), and 0-0.8-V low.
12 ROUT1 output Logic data output to UART with -0.3 to VCC+0.3 V receiver range.
13 RIN1 input RS-232 line data input from remote RS-232 system with ±25-V receiver range and ±15-kV IEC ESD protection.
14 DOUT1 output RS-232 line data output to remote RS-232 system with ±13.2-V driver range and ±15-kV IEC ESD protection.
15 GND power_in Ground, reference voltage for all logic levels and power supply.
16 VCC power_in Supply voltage input, connect to external 3-V to 5.5-V power supply.

Key specifications

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

CAD (KiCad official)

  • Symbol: MAX3232EID
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: max3232eid-etched.step / max3232eid-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max3232eid.step / max3232eid.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (30 pp, sha256 d0b60e141b7939b2, retrieved 2026-10-01, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-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).

Datasheet PDF