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ILX3232TSDT

Public Made by Adom

by adom

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

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ILX3232TSDT

IKSEMICON · RS232 ICs · TSSOP-16

ILX3232TSDT from IKSEMICON, 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 Positive terminal of the first charge pump capacitor (0.1 µF external capacitors are required for 3.3 V operation).
2 V+ power_out Doubled voltage terminal; V+ can have a maximum magnitude of +7 V, and
3 C1 passive Negative terminal of the first charge pump capacitor.
4 C2+ passive Positive terminal of the second charge pump capacitor.
5 C2 passive Negative terminal of the second charge pump capacitor.
6 V- power_out Inverted voltage terminal; V- can have a maximum magnitude of -7 V, and
7 T2OUT output Second RS-232 transmitter output; transmitter output voltage range is ±13.2 V (absolute maximum).
8 R2IN input Second RS-232 receiver input; receiver input voltage range is ±25 V (absolute maximum).
9 R2OUT output Second receiver TTL/CMOS output; output voltage range is -0.3 V to (VCC + 0.3 V).
10 T2IN input Second transmitter logic input; input voltage range is -0.3 V to 6 V.
11 T1IN input First transmitter logic input; input voltage range is -0.3 V to 6 V.
12 R1OUT output First receiver TTL/CMOS output; output voltage range is -0.3 V to (VCC + 0.3 V).
13 R1IN input First RS-232 receiver input; receiver input voltage range is ±25 V (absolute maximum).
14 T1OUT output First RS-232 transmitter output; transmitter output voltage range is ±13.2 V (absolute maximum).
15 GND power_in Ground reference for the device.
16 VCC power_in Supply voltage: absolute maximum range is -0.3 V to 6 V, and the device operates from 3.3 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer IKSEMICON
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
VCC Supply Voltage VCC -0.3 6 V 2
V+ Doubled Voltage Terminal V+ 7 V 2
V- Inverted Voltage Terminal V- -7 0.3 V 2
V+ +/V-/ V+ +/V-/ 13 V 2
Transmitter Input Voltage Range TIN -0.3 6 V 2
Receiver Input Voltage Range RIN -25 25 V 2
Transmitter Output Voltage Range TOUT -13.2 13.2 V 2
Receiver Output Voltage Range ROUT -0.3 V 2
Operating Temperature Ta -40 85 °C 2
Storage Temperature Ts -60 150 °C 2
Supply Voltage (application circuit range) VCC 3 5.5 V Application circuit table, C1-C4 and Cbypass 1.0 µF 4
VCC Power Supply Current, 3.3V ISUPPLY 2.5 5 mA No Load VCC = 3.3V ±10% TA = 25°C 3
VCC Power Supply Current, 5V ISUPPLY 6 10 mA No Load VCC = 5V ±10% TA = 25°C 3
Input Logic Threshold Low VTIL 0.8 V T-IN (Note 1) 3
Input Logic Threshold High, 3.3V VTIH 2 V VCC = 3.3V 3
Input Logic Threshold High, 5V VTIH 2.4 V VCC = 5V 3
Input Leakage Current IIL -1 0.01 1 µA T-IN 3
Transmitter Output Voltage Swing, 5V VTOUT -5 5.4 5 V All transmitter outputs loaded with 3KΩ to GND, VCC = 5.0V 3
Transmitter Output Voltage Swing, 3.3V VTOUT -3.5 4 3.5 V All transmitter outputs loaded with 3KΩ to GND, VCC = 3.3V 3
Transmitter Output Resistance RTOUT 300 10 MΩ VCC = V+ = V- = 0V, VOUT = ±2V (min printed 300 Ω, max printed 10M Ω) 3
Output Short Circuit Current ITSC -60 60 mA VCC = 3.3V to 5V, VOUT = 0V 3
Receiver Input Voltage Operating Range VRIN -25 25 V 3
RS-232 Input Threshold Low, 3.3V VRIL 0.6 1.2 V TA = 25°C, VCC = 3.3V 3
RS-232 Input Threshold Low, 5V VRIL 0.8 1.5 V TA = 25°C, VCC = 5V 3
RS-232 Input Threshold High, 3.3V VRIH 1.5 2.4 V TA = 25°C, VCC = 3.3V 3
RS-232 Input Threshold High, 5V VRIH 1.8 2.4 V TA = 25°C, VCC = 5V 3
Input Resistance RRIN 3 5 7 kΩ TA = 25°C 3
TTL/CMOS Output Voltage Low VROL 0.4 V IOUT = 1.6mA, VCC = 3.3V 3
Data Transfer Rate DR 120 Kbps RL = 3KΩ, CL2 = 1000pF, one transmitter switching, VCC = 3.3V 4
Propagation Delay Input to Output, Receiver tPHLR / tPLHR 4 9.7 µs RXIN = RXOUT, CL = 150pF 4
Propagation Delay Input to Output, Transmitter tPHLT / tPLHT 2 5 µs RL = 3KΩ, CL = 2500pF 4
Receiver Propagation Delay Difference /tPHLR - tPLHR/ 300 ns 4
Transmitter Propagation Delay Difference /tPHLT - tPLHT/ 300 ns 4
Transition Slew Rate SRT 3 30 V/µs TA = 25°C, RL = 3KΩ to 7KΩ, VCC = 3.3V, measured from +3V to -3V or -3V to +3V, CL = 150pF to 1000pF 4

CAD (KiCad official)

  • Symbol: ILX3232TSDT
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: ilx3232tsdt-etched.step / ilx3232tsdt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ilx3232tsdt.step / ilx3232tsdt.glb are the bare package body.

Provenance

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

  • Datasheet: IKSEMICON datasheet (9 pp, sha256 59f2902e3095d6b1, 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