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SP232EIM

Public Made by Adom

by adom

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

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SP232EIM

HGSEMI · RS232 ICs · SOP-16

SP232EIM from HGSEMI, 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 Output of external capacitance of the positive voltage multiplier unit, connected to the charge-pump capacitor.
2 V+ power_out Output of the positive voltage of the multiplier unit; recommended operating transmitter output high voltage is 5.0 V minimum, and absolute maximum is VCC -0.3 V to 14 V.
3 C1- passive Output of external capacitance of the positive voltage multiplier unit, connected to the charge-pump capacitor.
4 C2+ passive Output of external capacitance of the negative voltage multiplier unit, connected to the charge-pump capacitor.
5 C2- passive Output of external capacitance of the negative voltage multiplier unit, connected to the charge-pump capacitor.
6 V- power_out Output of the negative voltage of the multiplier unit; recommended operating transmitter output low voltage is -5.0 V and absolute minimum is -14 V.
7 T2OUT output Transmitter data output at RS-232 levels.
8 R2IN input Receiver data input at RS-232 levels; receiver input voltage range is -30 V to 30 V.
9 R2OUT output Receiver data output at TTL/KMOS levels.
10 T2IN input Transmitter data input at TTL/KMOS levels; transmitter input voltage range is 0 V to VCC.
11 T1IN input Transmitter data input at TTL/KMOS levels; transmitter input voltage range is 0 V to VCC.
12 R1OUT output Receiver data output at TTL/KMOS levels.
13 R1IN input Receiver data input at RS-232 levels; receiver input voltage range is -30 V to 30 V.
14 T1OUT output Transmitter data output at RS-232 levels.
15 GND power_in Common ground reference for the device.
16 VCC power_in Supply pin for the device; supply voltage range is 4.5 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer HGSEMI
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
Supply voltage VCC -0.3 6 V 3
Transmitter high output voltage V+ 14 V 3
Transmitter low output voltage V- -14 -0.3 V 3
Transmitter input voltage VTIN -0.3 V 3
Receiver input voltage VRIN -30 30 V 3
Dissipated power, DIP package PD 842 mW DIP package 3
Dissipated power, SOP package PD 762 mW SOP package 3
Ambient temperature Ta -60 150 ℃ 3
Lead temperature (soldering) TL 260 ℃ Soldering, 10 seconds 3
Supply voltage VCC 4.5 5.5 V 4
Transmitter output high voltage V+ 5 V 4
Transmitter output low voltage V- -5 V 4
Transmitter input voltage VTIN 0 V 4
Receiver input voltage VRIN -30 30 V 4
Transmitter short circuit output current ISC -60 60 mA 4
Ambient temperature (SP232EI) Ta -40 85 ℃ SP232EI 4
Consumption current, static ICC 14 mA VCC = 5.0 V; VIL = 0 V; -40 to 85 ℃ 5
Hysteresis voltage Vh 0.2 1 V VCC = 5.0 V; -40 to 85 ℃ 5
On (operation) voltage VOn 2.3 V VO ≤ 0.1 V; IOL ≤ 20 uA; -40 to 85 ℃ 5
Off (dropout) voltage Voff 0.9 V VO ≥ VCC -0.1V; IOH ≤ -20 uA; -40 to 85 ℃ 5
Output low voltage VOL 0.4 V VCC = 4.5 V; IOL = 3.2 mA; VIH = 2.4 V; -40 to 85 ℃ 5
Output high voltage VOH 3.5 V VCC = 4.5 V; IOH = -1.0 mA; VIL = 0.8 V; -40 to 85 ℃ 5
Input resistance RI 3 7 kOhm VCC = 5.0 V; -40 to 85 ℃ 5
Transmitter output low voltage VOL -5 V VCC = 4.5 V; VIH = 2.0 V; RL = 3.0 kOhm; -40 to 85 ℃ 5
Transmitter output high voltage VOH 5 V VCC = 4.5 V; VIL = 0.8 V; RL = 3.0 kOhm; -40 to 85 ℃ 5
Input low current IIL -10 uA VCC = 5.5 V; VIL = 0 V; -40 to 85 ℃ 5
Input high current IIH 10 uA VCC = 5.5 V; VIH = VCC; -40 to 85 ℃ 5
Speed of output front change SR 2.7 27 V/µs VCC = 5.0 V; CL = 50-1000 pF; RL = 3.0-7.0 kOhm; -40 to 85 ℃ 5
Output resistance RO 300 Ohm VCC = V+ = V- = 0 V; VO = ±2 V; -40 to 85 ℃ 5
Short circuit output current ISC -60 60 mA VCC = 5.5 V; VO = 0 V; -40 to 85 ℃ 5
Speed of information transmission ST 120 kbps VCC = 4.5 V; CL = 1000 pF; RL = 3.0 kOhm; tW = 7us (for extreme -tW = 8us); -40 to 85 ℃ 5
Signal propagation delay time (tPHLR / tPLHR) tPHLR 10 us VCC = 4.5 V; CL = 150 pF; VIL = 0 V; VIH = 3.0 V; tLH = tHL ≤ 10 ns; -40 to 85 ℃ 6
Signal propagation delay time (tPHLT / tPLHT) tphlt 6 us VCC = 4.5 V; CL = 2500 pF; VIL = 0 V; VIH = 3.0 V; RL = 3 kOhm; tLH = tHL ≤ 10 ns; -40 to 85 ℃ 6
Input capacitance CIN 9 pF VCC = 5.0 V 6

CAD (KiCad official)

  • Symbol: SP232EIM
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: sp232eim-etched.step / sp232eim-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sp232eim.step / sp232eim.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (11 pp, sha256 2cdb900979d2feb4, retrieved 2026-10-17, 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