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MAX3243EIDBR

Public Made by Adom

by adom

Texas Instruments RS232 ICs, SSOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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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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Contents

README

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MAX3243EIDBR

Texas Instruments · RS232 ICs · SSOP-28

MAX3243EIDBR from Texas Instruments, in a SSOP-28. 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 C2+ passive Positive terminal of the voltage-doubler charge-pump capacitor
2 C2- passive Negative terminal of the voltage-doubler charge-pump capacitor
3 V- power_out Negative charge pump output voltage
4 RIN1 input RS-232 receiver input
5 RIN2 input RS-232 receiver input
6 RIN3 input RS-232 receiver input
7 RIN4 input RS-232 receiver input
8 RIN5 input RS-232 receiver input
9 DOUT1 tri_state RS-232 driver output
10 DOUT2 tri_state RS-232 driver output
11 DOUT3 tri_state RS-232 driver output
12 DIN3 input Driver input
13 DIN2 input Driver input
14 DIN1 input Driver input
15 ROUT5 tri_state Receiver output
16 ROUT4 tri_state Receiver output
17 ROUT3 tri_state Receiver output
18 ROUT2 tri_state Receiver output
19 ROUT1 tri_state Receiver output
20 ROUT2B output Always-active noninverting receiver output
21 INVALID output Invalid Output Pin
22 FORCEOFF input Auto Powerdown Control input
23 FORCEON input Auto Powerdown Control input
24 C1- passive Negative terminal of the voltage-doubler charge-pump capacitor
25 GND power_in Ground
26 VCC power_in 3-V to 5.5-V supply voltage
27 V+ power_out Positive charge pump output voltage
28 C1+ passive Positive terminal of the voltage-doubler charge-pump capacitor

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SSOP-28
Category Interface
Pins 28

CAD (KiCad official)

  • Symbol: MAX3243EIDBR
  • Footprint: Package_SO:SSOP-28_5.3x10.2mm_P0.65mm
  • 3D model: SSOP-28 (KiCad packages3D, STEP)
  • 3D model files: max3243eidbr-etched.step / max3243eidbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max3243eidbr.step / max3243eidbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (32 pp, sha256 cb5d72a205b7a01b, retrieved 2026-09-24, 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 0.2, 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