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SP3232EEN-MS

Public Made by Adom

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

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SP3232EEN-MS

MSKSEMI · RS232 ICs · SOP-16

SP3232EEN-MS from MSKSEMI, in a SOP-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 for the first charge pump capacitor (C1) of the dual charge pump.
2 V+ power_out Doubled voltage terminal generated by the charge pump; absolute limit is VCC-0.3 to +7 V, and it needs its storage capacitor (C3) connected.
3 C1- passive Negative terminal for the first charge pump capacitor (C1) of the dual charge pump.
4 C2+ passive Positive terminal for the second charge pump capacitor (C2) of the dual charge pump.
5 C2- passive Negative terminal for the second charge pump capacitor (C2) of the dual charge pump.
6 V- power_out Inverted voltage terminal generated by the charge pump; absolute limit is +0.3 to -7 V, and it needs its storage capacitor (C4) connected.
7 T2OUT output Second RS-232 transmitter output, with an absolute range of ±13.2 V and a ±5 V minimum swing into a 3 kΩ load.
8 R2IN input Second RS-232 receiver input, rated for a ±25 V input range with about 5 kΩ input impedance.
9 R2OUT output Second receiver CMOS output, limited to -0.3 V to VCC+0.3 V.
10 T2IN input Second transmitter TTL/CMOS logic input with 2 V minimum high threshold and 0.8 V maximum low threshold; no internal pull-up, so unused input may tie to GND or VCC.
11 T1IN input First transmitter TTL/CMOS logic input with 2 V minimum high threshold and 0.8 V maximum low threshold; no internal pull-up, so unused input may tie to GND or VCC.
12 R1OUT output First receiver CMOS output, limited to -0.3 V to VCC+0.3 V.
13 R1IN input First RS-232 receiver input, rated for a ±25 V input range with about 5 kΩ input impedance.
14 T1OUT output First RS-232 transmitter output, with an absolute range of ±13.2 V and a ±5 V minimum swing into a 3 kΩ load.
15 GND power_in Ground reference for all voltages on the device.
16 VCC power_in Supply voltage input; absolute limit is -0.3 to +6 V, with 3 V to 5.5 V operating range.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package SOP-16
Category Interface
Pins 16

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
ESD protection, human body model (R1IN,R2IN, T1OUT,T2OUT) -15 15 kV HBM 7
ESD protection, air discharge (R1IN,R2IN, T1OUT,T2OUT) -15 15 kV Air Discharge 7
ESD protection, contact discharge (R1IN,R2IN, T1OUT,T2OUT) -8 8 kV Contact Discharge 7
Rate speed 120 kbps RL=3kΩ, CL=1000pF 7
Receiver propagation delay, high-to-low tRPHL 300 ns CL=150pF 7
Receiver propagation delay, low-to-high tRPLH 300 ns CL=150pF 7
Receiver propagation delay skew /tRPHL- tRPLH / 150 ns 7
Transmitter propagation delay skew /tTPHL- tTPLH / 150 ns 7
Logic control low level (T1IN,T2IN) VTTIN_L 0.8 V T1IN,T2IN 5
Logic control high level (T1IN,T2IN) VTTIN_H 2 V T1IN,T2IN 5
Input logic current (T1IN,T2IN) ITIN -1 1 μA T1IN,T2IN 5
Receiver output logic-low voltage VROL 0.4 V IOUT=1.6mA, VCC=5V or 3.3V 5
Receiver input range VRIN -25 25 V 6
Receiver input impedance RRIN 3 5 7 kΩ 6
Transmitter output impedance RTOUT 300 Ω VCC=0V, Transmitter Input=±2V 6
Transmitter short-circuit current Itsc 60 mA 6
Supply voltage VCC -0.3 6 V 4
Doubled voltage terminal V+ 7 V 4
Inverted voltage terminal V- -7 0.3 V 4
V+ to /V-/ voltage difference V+ + /V-/ 13 V 4
Transmitter input voltage range T1IN,T2IN -0.3 6 V 4
Receiver input voltage range R1IN,R2IN -25 25 V 4
Transmitter output voltage range T1OUT,T2OUT -13.2 13.2 V 4
Receiver output voltage range R1OUT,R2OUT -0.3 V 4
Operating temperature -40 85 ℃ 4
Storage temperature -60 150 ℃ 4
Soldering temperature 300 ℃ 4
Continuous power 760 mW 4
Supply current with no load Isup 2 mA no load 5
Receiver input hysteresis 0.4 V 6
Logic control hysteresis (T1IN,T2IN) 0.3 V T1IN,T2IN 5

CAD (KiCad official)

  • Symbol: SP3232EEN-MS
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: sp3232een-ms-etched.step / sp3232een-ms-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sp3232een-ms.step / sp3232een-ms.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (16 pp, sha256 9034d98bbf2a6839, retrieved 2026-10-19, 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