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75232G-P20-R

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UTC(Unisonic Tech) RS232 ICs, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentinterface ics75232g-p20-rfactory-2.0.0extractor-text

Verified 75232G-P20-R

by Ray · last 31 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

31 Oct 2026RayPublished by the parts factory: tier mfr, 20 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: 75232G-P20-R · TSSOP-20 · 20 pins
  • ✓copper: 20 copper pads, none touching another net
  • ✓datasheet: all 20 pin names found in the 10-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: TSSOP-20_4.4x6.5mm_P0.65mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-44hae1oo/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 20 pins = 20 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 20 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ 75232g-p20-r.kicad_sym✓ 75232g-p20-r.kicad_mod✓ 75232g-p20-r.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 2d ago
viewers 75232g-p20-r: viewers · Ray 2d ago
75232g-p20-r-etched.glb Publish 0.1.0 · Ray 2d ago
75232g-p20-r-etched.step 75232g-p20-r: factory component page (tier=mfr) · Ray 2d ago
75232g-p20-r-hero.glb 75232g-p20-r: hero GLB from the etched model (keeps the MPN mark) · Ray 2d ago
75232g-p20-r-hero.overlay.json Publish 0.1.0 · Ray 2d ago
75232g-p20-r.glb Publish 0.1.0 · Ray 2d ago
75232g-p20-r.kicad_mod Publish 0.1.0 · Ray 2d ago
75232g-p20-r.kicad_sym Publish 0.1.0 · Ray 2d ago
75232g-p20-r.lbr Publish 0.1.0 · Ray 2d ago
75232g-p20-r.step Publish 0.1.0 · Ray 2d ago
package.json Publish 0.1.0 · Ray 2d ago
page.json Set visibility: public · Ray 2d ago
README.md Publish 0.1.0 · Ray 2d ago
verification.json Verified: Published by the parts factory: tier mfr, 20 pins · Ray 2d ago

75232G-P20-R

UTC(Unisonic Tech) · RS232 ICs · TSSOP-20

75232G-P20-R from UTC(Unisonic Tech), in a TSSOP-20. 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 VDD power_in Positive supply voltage, recommended 7.5 V to 15 V (absolute max 15 V).
2 RA1 input First receiver input; input voltage range -30 V to 30 V absolute max.
3 RA2 input Second receiver input; input voltage range -30 V to 30 V absolute max.
4 RA3 input Third receiver input; input voltage range -30 V to 30 V absolute max.
5 DY1 output First driver output; output voltage range -15 V to 15 V absolute max.
6 DY2 output Second driver output; output voltage range -15 V to 15 V absolute max.
7 RA4 input Fourth receiver input; input voltage range -30 V to 30 V absolute max.
8 DY3 output Third driver output; output voltage range -15 V to 15 V absolute max.
9 RA5 input Fifth receiver input; input voltage range -30 V to 30 V absolute max.
10 VSS power_in Negative supply voltage, recommended -7.5 V to -15 V (absolute max -15 V).
11 GND power_in Ground; all voltages are referenced to the network ground terminal.
12 RY5 output Fifth receiver output; low level output current up to 16 mA recommended.
13 DA3 input Third driver input; VIH min 1.9 V, VIL max 0.8 V.
14 RY4 output Fourth receiver output; low level output current up to 16 mA recommended.
15 DA2 input Second driver input; VIH min 1.9 V, VIL max 0.8 V.
16 DA1 input First driver input; VIH min 1.9 V, VIL max 0.8 V.
17 RY3 output Third receiver output; low level output current up to 16 mA recommended.
18 RY2 output Second receiver output; low level output current up to 16 mA recommended.
19 RY1 output First receiver output; low level output current up to 16 mA recommended.
20 VCC power_in Supply voltage, recommended 4.5 V to 5.5 V (absolute max 10 V).

Key specifications

Parameter Value
Manufacturer UTC(Unisonic Tech)
Package TSSOP-20
Category Interface ICs
Pins 20

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 VDD VDD 15 V 3
Supply voltage VSS VSS -15 V 3
Supply voltage VCC VCC 10 V 3
Driver input voltage range VIN -15 7 V Driver 3
Receiver input voltage range VIN -30 30 V Receiver 3
Driver output voltage range VOUT -15 15 V 3
Receiver low level output current IOUT 20 mA 3
Operation temperature TOPR 0 70 C 3
Storage temperature TSTG -40 150 C 3
Junction-to-ambient thermal resistance θJA 115 C/W TSSOP-20 3
Supply voltage VDD VDD 7.5 9 15 V 3
Supply voltage VSS VSS -7.5 -9 -15 V 3
Supply voltage VCC VCC 4.5 5 5.5 V 3
High level input voltage (driver only) VIH 1.9 V 3
Low level input voltage (driver only) VIL 0.8 V 3
Driver high level output current IOH -6 mA Driver 3
Receiver high level output current IOH -0.5 mA Receiver 3
Driver low level output current IOL 6 mA Driver 3
Receiver low level output current IOL 16 mA Receiver 3
Supply current from VDD IDD 15 mA VDD=9V, VSS=-9V, no load, all inputs at 1.9V 3
Supply current from VDD IDD 19 mA VDD=12, VSS=-12V, no load, all inputs at 1.9V 3
Supply current from VDD IDD 25 mA VDD=15, VSS=-15V, no load, all inputs at 1.9V 3
Supply current from VDD IDD 4.5 mA VDD=9V, VSS=-9V, no load, all inputs at 0.8V 3
Supply current from VDD IDD 5.5 mA VDD=12, VSS=-12V, no load, all inputs at 0.8V 3
Supply current from VDD IDD 9 mA VDD=15, VSS=-15V, no load, all inputs at 0.8V 3
Supply current from VSS ISS -15 mA VDD=9V, VSS=-9V, no load, all inputs at 1.9V 3
Supply current from VSS ISS -19 mA VDD=12, VSS=-12V, no load, all inputs at 1.9V 3
Supply current from VSS ISS -25 mA VDD=15, VSS=-15V, no load, all inputs at 1.9V 3
Supply current from VSS ISS -3.2 mA VDD=9V/12V/15V, VSS=-9V/-12V/-15V, no load, all inputs at 0.8V 3
Supply current from VCC ICC 30 mA No load, all inputs at 5V, VCC=5V 3
Driver output voltage high VOH 6 7.5 V VIL=0.8V, RL=3 kΩ, VDD=9V, VSS=-9V, VCC=5V 4
Driver output voltage low VOL -7.5 -6 V VIH=1.9V, RL=3 kΩ, VDD=9V, VSS=-9V, VCC=5V 4
Driver input current high IIH 10 µA VIN=5V 4
Driver input current low IIL -1.6 mA VIN=0V 4
Driver short circuit output current high IOH(SC) -19.5 -12 -8.5 mA VIL=0.8V, VOUT=0V 4
Driver short circuit output current low IOL(SC) 8.5 12 19.5 mA VIH=2.0V, VOUT=0V 4
Driver output resistance ROUT 300 Ω VDD=VSS=VCC=0V, VOUT=-2V~2V 4
Receiver positive-going threshold voltage VT+ 1.75 1.9 2.3 V TA=25C 4
Receiver positive-going threshold voltage VT+ 1.55 2.3 V TA=0C ~ 70C 4
Receiver negative-going threshold voltage VT- 0.75 0.97 1.25 V 4
Receiver input hysteresis VHYS 0.5 V VT+ - VT- 4
Receiver output voltage high VOH 2.6 4 5 V VIH=0.75V, IOH=-0.5mA 4
Receiver output voltage high (inputs open) VOH 2.6 V Inputs open 4
Receiver output voltage low VOL 0.2 0.45 V VIN=3V, IOL=10mA 4
Receiver input current high IIH 3.6 8.3 mA VIN=25V 4
Receiver input current high IIH 0.43 mA VIN=3V 4
Receiver input current low IIL -8.3 -3.6 mA VIN=-25V 4
Receiver input current low IIL -0.43 mA VIN=-3V 4
Receiver short-circuit output current IO(SC) -12 -3.4 mA Fig. 4 4
Driver propagation delay tPLH tPLH 315 500 ns RL=3~7 kΩ, CL=15pF, Ta=25C 4
Driver propagation delay tPHL tPHL 75 175 ns RL=3~7 kΩ, CL=15pF, Ta=25C 4
Driver transition time tTLH tTLH 60 100 ns RL=3~7 kΩ, CL=15pF 4
Driver transition time tTHL tTHL 40 75 ns RL=3~7 kΩ, CL=15pF 4
Driver transition time tTLH tTLH 1.7 2.5 µs RL=3~7 kΩ, CL=2500pF 4
Driver transition time tTHL tTHL 1.5 2.5 µs RL=3~7 kΩ, CL=2500pF 4
Receiver propagation delay tPLH tPLH 107 250 ns RL=5 kΩ, CL=50pF 4
Receiver propagation delay tPHL tPHL 42 150 ns RL=5 kΩ, CL=50pF 4
Receiver propagation delay tPLH tPLH 100 160 ns RL=1.5 kΩ, CL=15pF 4
Receiver propagation delay tPHL tPHL 60 100 ns RL=1.5 kΩ, CL=15pF 4
Receiver transition time tTLH tTLH 175 350 ns RL=5 kΩ, CL=50pF 4
Receiver transition time tTHL tTHL 16 60 ns RL=5 kΩ, CL=50pF 4

CAD (KiCad official)

  • Symbol: 75232G-P20-R
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: 75232g-p20-r-etched.step / 75232g-p20-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 75232g-p20-r.step / 75232g-p20-r.glb are the bare package body.

Provenance

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

  • Datasheet: UTC(Unisonic Tech) datasheet (10 pp, sha256 b27be9d0badf1346, retrieved 2026-10-31, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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