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MAX3232CSE+T

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Analog Devices Inc Maxim Integrated RS232 ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MAX3232CSE+T

Analog Devices Inc Maxim Integrated · RS232 ICs · SOIC-16

MAX3232CSE+T from Analog Devices Inc Maxim Integrated, 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 terminal of the voltage-doubler charge-pump flying capacitor C1; 0.1µF is required for 3.0V to 5.5V operation.
2 V+ power_out Regulated +5.5V output of the doubling charge pump, maintained over the 3.0V to 5.5V VCC range; V+ magnitude is limited to 7V absolute maximum.
3 C1- passive Negative terminal of the voltage-doubler charge-pump flying capacitor C1.
4 C2+ passive Positive terminal of the inverting charge-pump capacitor C2; capacitor values must not be lower than the minimums in Table 2.
5 C2- passive Negative terminal of the inverting charge-pump capacitor C2; capacitor values must not be lower than the minimums in Table 2.
6 V- power_out Regulated -5.5V output of the inverting charge pump; V- magnitude is limited to 7V absolute maximum.
7 T2OUT output RS-232 transmitter 2 output, guaranteed at least ±5.0V into 3kΩ loads, limited to ±13.2V absolute maximum, with continuous short-circuit duration allowed.
8 R2IN input RS-232 receiver 2 input, rated for ±25V input voltage range.
9 R2OUT output TTL/CMOS receiver 2 output (inverting), which is always active on the MAX3232 and limited to -0.3V to VCC + 0.3V.
10 T2IN input TTL/CMOS transmitter 2 input with an absolute maximum range of -0.3V to +6V; it has no pullup, so unused inputs must be tied to GND or VCC.
11 T1IN input TTL/CMOS transmitter 1 input with an absolute maximum range of -0.3V to +6V; it has no pullup, so unused inputs must be tied to GND or VCC.
12 R1OUT output TTL/CMOS receiver 1 output (inverting), which is always active on the MAX3232 and limited to -0.3V to VCC + 0.3V.
13 R1IN input RS-232 receiver 1 input, rated for ±25V input voltage range.
14 T1OUT output RS-232 transmitter 1 output, guaranteed at least ±5.0V into 3kΩ loads, limited to ±13.2V absolute maximum, with continuous short-circuit duration allowed.
15 GND power_in Ground reference for the device and the internal substrate connection.
16 VCC power_in Supply voltage input, +3.0V to +5.5V, to be bypassed with a 0.1µF capacitor placed as close to the IC as possible.

Key specifications

Parameter Value
Manufacturer Analog Devices Inc Maxim Integrated
Package SOIC-16
Category Interface
Pins 16

CAD (KiCad official)

  • Symbol: MAX3232CSE+T
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: max3232cse-t-etched.step / max3232cse-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max3232cse-t.step / max3232cse-t.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices Inc Maxim Integrated datasheet (17 pp, sha256 14f613325b587fa3, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (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