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Contents

README

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HGX232ECMT

HGSEMI · RS232 ICs · TSSOP-16

HGX232ECMT from HGSEMI, in a TSSOP-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 Connects to the external capacitor on the positive side of the voltage multiplier unit.
2 V+ power_out Positive voltage output of the multiplier unit; the datasheet gives a transmitter output high of 5.0 V minimum and an absolute maximum of VCC - 0.3 V to 14 V.
3 C1- passive Connects to the external capacitor on the negative side of the positive voltage multiplier unit.
4 C2+ passive Connects to the external capacitor on the positive side of the negative voltage multiplier unit.
5 C2- passive Connects to the external capacitor on the negative side of the negative voltage multiplier unit.
6 V- power_out Negative voltage output of the multiplier unit; the datasheet gives a transmitter output low of -5.0 V maximum and an absolute range of -0.3 V to -14 V.
7 T2OUT output Transmitter data output at RS-232 levels.
8 R2IN input Receiver data input at RS-232 levels, rated for receiver input voltage of -30 V to 30 V.
9 R2OUT output Receiver data output at TTL/CMOS levels.
10 T2IN input Transmitter data input at TTL/CMOS levels, with transmitter input voltage from 0 V to VCC.
11 T1IN input Transmitter data input at TTL/CMOS levels, with transmitter input voltage from 0 V to VCC.
12 R1OUT output Receiver data output at TTL/CMOS levels.
13 R1IN input Receiver data input at RS-232 levels, rated for receiver input voltage of -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; the recommended supply voltage is 4.5 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package TSSOP-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
ICC static consumption current, Ta = 25℃ ICC 10 mA Ta = 25℃; VCC = 5.5 V, VIL = 0 V 5
ICC static consumption current, Ta = -40℃ to 85℃ ICC 14 mA Ta = -40℃ to 85℃; VCC = 5.5 V, VIL = 0 V 5
Receiver hysteresis voltage, Ta = 25℃ Vh 0.2 0.9 V Ta = 25℃; VCC = 5.0 V 5
Receiver hysteresis voltage, Ta = -40℃ to 85℃ Vh 0.2 1 V Ta = -40℃ to 85℃; VCC = 5.0 V 5
Receiver on (operation) voltage, Ta = 25℃ VOn 2.4 V Ta = 25℃; VO ≦ 0.1 V, IOL ≦ 20 mkA 5
Receiver on (operation) voltage, Ta = -40℃ to 85℃ VOn 2.3 V Ta = -40℃ to 85℃; VO ≦ 0.1 V, IOL ≦ 20 mkA 5
Receiver off (dropout) voltage, Ta = 25℃ Voff 0.8 V Ta = 25℃; VO ≧ VCC -0.1 V, IOH ≦ -20 mkA 5
Receiver off (dropout) voltage, Ta = -40℃ to 85℃ Voff 0.9 V Ta = -40℃ to 85℃; VO ≧ VCC -0.1 V, IOH ≦ -20 mkA 5
Receiver output low voltage, Ta = 25℃ VOL 0.3 V Ta = 25℃; IOL = 3.2 мА, VCC = 4.5 V, VIH = 2.4 V 5
Receiver output low voltage, Ta = -40℃ to 85℃ VOL 0.4 V Ta = -40℃ to 85℃; IOL = 3.2 мА, VCC = 4.5 V, VIH = 2.4 V 5
Receiver output high voltage, Ta = 25℃ VOH 3.6 V Ta = 25℃; IOH = -1.0 мА, VCC = 4.5 V, VIL = 0.8 V 5
Receiver output high voltage, Ta = -40℃ to 85℃ VOH 3.5 V Ta = -40℃ to 85℃; IOH = -1.0 мА, VCC = 4.5 V, VIL = 0.8 V 5
Receiver input resistance, Ta = 25℃ RI 3 7 kOhm Ta = 25℃; VCC = 5.0 V 5
Receiver input resistance, Ta = -40℃ to 85℃ RI 3 7 kOhm Ta = -40℃ to 85℃; VCC = 5.0 V 5
Transmitter output low voltage, Ta = 25℃ VOL -5.2 V Ta = 25℃; VCC = 4.5 V, VIH = 2.0 V, RL = 3.0 kOhm 5
Transmitter output low voltage, Ta = -40℃ to 85℃ VOL -5 V Ta = -40℃ to 85℃; VCC = 4.5 V, VIH = 2.0 V, RL = 3.0 kOhm 5
Transmitter output high voltage, Ta = 25℃ VOH 5.2 V Ta = 25℃; VCC = 4.5 V, VIL = 0.8 V, RL = 3.0 kOhm 5
Transmitter output high voltage, Ta = -40℃ to 85℃ VOH 5 V Ta = -40℃ to 85℃; VCC = 4.5 V, VIL = 0.8 V, RL = 3.0 kOhm 5
Input low current, Ta = 25℃ IIL -1 mkA Ta = 25℃; VCC = 5.5 V, VIL = 0 V 5
Input low current, Ta = -40℃ to 85℃ IIL -10 mkA Ta = -40℃ to 85℃; VCC = 5.5 V, VIL = 0 V 5
Input high current, Ta = 25℃ IIH 1 mkA Ta = 25℃; VCC = 5.5 V, VIH = VCC 5
Input high current, Ta = -40℃ to 85℃ IIH 10 mkA Ta = -40℃ to 85℃; VCC = 5.5 V, VIH = VCC 5
Speed of output front change, Ta = 25℃ SR 3 30 V/mks Ta = 25℃; VCC = 5.0 V, CL = 50 - 1000 pF, RL = 3.0 - 7.0 kOhm 5
Speed of output front change, Ta = -40℃ to 85℃ SR 2.7 27 V/mks Ta = -40℃ to 85℃; VCC = 5.0 V, CL = 50 - 1000 pF, RL = 3.0 - 7.0 kOhm 5
Output resistance, Ta = 25℃ RO 350 Ohm Ta = 25℃; VCC = V+ = V- = 0V, VO = 2 V 5
Output resistance, Ta = -40℃ to 85℃ RO 300 Ohm Ta = -40℃ to 85℃; VCC = V+ = V- = 0V, VO = 2 V 5
Short circuit output current, Ta = 25℃ ISC -50 50 mA Ta = 25℃; VCC = 5.5 V, VO = 0V, VI = VCC, VI = 0V 5
Short circuit output current, Ta = -40℃ to 85℃ ISC -60 60 mA Ta = -40℃ to 85℃; VCC = 5.5 V, VO = 0V, VI = VCC, VI = 0V 5
Speed of information transmission, Ta = 25℃ ST 140 kbit/с Ta = 25℃; VCC = 4.5 V, CL = 1000pF, RL = 3.0 kOhm, tW = 7mks (for extreme -tW = 8mks) 5
Speed of information transmission, Ta = -40℃ to 85℃ ST 120 kbit/с Ta = -40℃ to 85℃; VCC = 4.5 V, CL = 1000pF, RL = 3.0 kOhm, tW = 7mks (for extreme -tW = 8mks) 5
Signal propagation delay time when switching on (off), receiver, Ta = 25℃ tPHLR (tPLHR) 9.7 mks Ta = 25℃; VCC = 4.5 V, CL = 150 pF, VIL = 0 V, VIH = 3.0 V, tLH = tHL ≦ 10 ns 6
Signal propagation delay time when switching on (off), receiver, Ta = -40℃ to 85℃ tPHLR (tPLHR) 10 mks Ta = -40℃ to 85℃; VCC = 4.5 V, CL = 150 pF, VIL = 0 V, VIH = 3.0 V, tLH = tHL ≦ 10 ns 6
Signal propagation delay time when switching on (off), transmitter, Ta = 25℃ tPHLT (tPLHT) 5 mks Ta = 25℃; VCC = 4.5 V, CL = 2500 pF, VIL = 0 V, VIH = 3.0 V, RL = 3 kOhm, tLH = tHL ≦ 10 ns 6
Signal propagation delay time when switching on (off), transmitter, Ta = -40℃ to 85℃ tPHLT (tPLHT) 6 mks Ta = -40℃ to 85℃; VCC = 4.5 V, CL = 2500 pF, VIL = 0 V, VIH = 3.0 V, RL = 3 kOhm, tLH = tHL ≦ 10 ns 6
Supply voltage (recommended operating) VCC 4.5 5.5 V 3
Transmitter output high voltage (recommended operating) V+ 5 V 3
Transmitter output low voltage (recommended operating) V- -5 V 3
Transmitter input voltage (recommended operating) VTIN 0 V 3
Receiver input voltage (recommended operating) VRIN -30 30 V 3
Transmitter short circuit output current (recommended operating) ISC -60 60 mA 3
Ambient temperature, HGX232EC grade (recommended operating) Ta 0 70 ℃ HGX232EC 3
Supply voltage (absolute maximum) VCC -0.3 6 V 3
Transmitter high output voltage (absolute maximum) V+ 14 V 3
Transmitter low output voltage (absolute maximum) V- -14 -0.3 V 3
Transmitter input voltage (absolute maximum) VTIN -0.3 V 3
Receiver input voltage (absolute maximum) VRIN -30 30 V 3
Ambient temperature (absolute maximum) Ta -60 150 ℃ 3
Lead temperature (soldering) TL 260 ℃ Soldering, 10 seconds 3

CAD (KiCad official)

  • Symbol: HGX232ECMT
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: hgx232ecmt-etched.step / hgx232ecmt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hgx232ecmt.step / hgx232ecmt.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (11 pp, sha256 10f1bf5b12850453, 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