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Contents

README

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ICL3232IBNZ-T

RENESAS · RS232 ICs · SOIC-16

ICL3232IBNZ-T from RENESAS, in a SOIC-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 External capacitor (voltage doubler) is connected to this lead.
2 V+ power_out Internally generated positive transmitter supply (+5.5V).
3 C1- passive External capacitor (voltage doubler) is connected to this lead.
4 C2+ passive External capacitor (voltage inverter) is connected to this lead.
5 C2- passive External capacitor (voltage inverter) is connected to this lead.
6 V- power_out Internally generated negative transmitter supply (-5.5V).
7 T2OUT output RS-232 level (nominally ±5.5V) transmitter output.
8 R2IN input RS-232 compatible receiver input.
9 R2OUT output TTL/CMOS level receiver output.
10 T2IN input TTL/CMOS compatible transmitter input.
11 T1IN input TTL/CMOS compatible transmitter input.
12 R1OUT output TTL/CMOS level receiver output.
13 R1IN input RS-232 compatible receiver input.
14 T1OUT output RS-232 level (nominally ±5.5V) transmitter output.
15 GND power_in Ground connection.
16 VCC power_in System power supply input (3.0V to 5.5V).

Key specifications

Parameter Value
Manufacturer RENESAS
Package SOIC-16
Category Communication Interface Chip/UART/485/232
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 to Ground VCC -0.3 6 V 9
V+ to Ground V+ -0.3 7 V 9
V- to Ground V- 0.3 -7 V 9
V+ to V- V+ - V- 14 V 9
Input voltage TIN, FORCEOFF, FORCEON, EN, SHDN TIN -0.3 6 V 9
Input voltage RIN RIN -25 25 V 9
Output voltage TOUT TOUT -13.2 13.2 V 9
Output voltage ROUT, INVALID ROUT, INVALID -0.3 V upper limit VCC+0.3 9
Maximum Junction Temperature (Plastic Package) TJ 150 °C 9
Maximum Storage Temperature Range TSTG -65 150 °C 9
Thermal Resistance θJA, 16 Ld Narrow SOIC θJA 115 °C/W 16 Ld Narrow SOIC Package, typical 9
Temperature Range ICL32xxIx TA -40 85 °C ICL32xxIx 10
Supply Current, Automatic Power-Down Disabled ICC 0.3 1 mA All outputs unloaded, FORCEON = FORCEOFF = SHDN = VCC; VCC = 3.15V, ICL3221-32; 25°C 10
Input Logic Threshold Low VIL 0.8 V TIN, FORCEON, FORCEOFF, EN, SHDN; Full temp 10
Input Logic Threshold High, VCC=3.3V VIH 2 V VCC = 3.3V; TIN, FORCEON, FORCEOFF, EN, SHDN; Full temp 10
Input Logic Threshold High, VCC=5.0V VIH 2.4 V VCC = 5.0V; TIN, FORCEON, FORCEOFF, EN, SHDN; Full temp 10
Input Leakage Current IIL -1 0.01 1 µA TIN, FORCEON, FORCEOFF, EN, SHDN; Full temp 10
Output Voltage Low VOL 0.4 V IOUT = 1.6mA; Full temp 10
Input Threshold Low, VCC=3.3V VIN_TH_L 0.6 1.2 V VCC = 3.3V; 25°C 10
Input Threshold Low, VCC=5.0V VIN_TH_L 0.8 1.5 V VCC = 5.0V; 25°C 10
Input Threshold High, VCC=3.3V VIN_TH_H 1.5 2.4 V VCC = 3.3V; 25°C 10
Input Threshold High, VCC=5.0V VIN_TH_H 1.8 2.4 V VCC = 5.0V; 25°C 10
Input Hysteresis VHYS 0.3 V 25°C 10
Receiver Input Voltage Range VRIN -25 25 V Full temp 10
Input Resistance RIN 3 5 7 kΩ 25°C 11
Transmitter Output Voltage Swing VO 5 5.4 V All transmitter outputs loaded with 3kΩ to ground; Full temp 11
Output Short-Circuit Current IOS -60 35 60 mA Full temp 11
Output Leakage Current IOLK -25 25 µA VOUT = ±12V, VCC = 0V or 3V to 5.5V; Automatic Powerdown or FORCEOFF = SHDN = GND; Full temp 11
Maximum Data Rate 250 500 kbps RL = 3kΩ, CL = 1000pF, one transmitter switching; Full temp 11
Receiver Propagation Delay tPHL tPHL 0.3 µs Receiver input to receiver output, CL = 150pF; 25°C 11
Receiver Propagation Delay tPLH tPLH 0.3 µs Receiver input to receiver output, CL = 150pF; 25°C 11
Receiver Skew tPHL - tPLH 100 500 ns Full temp 11
Transition Region Slew Rate, CL=200pF to 2500pF SR 4 8 30 V/µs VCC = 3.3V, RL = 3kΩ to 7kΩ, measured from 3V to -3V or -3V to 3V, CL = 200pF to 2500pF; 25°C 11
Transition Region Slew Rate, CL=200pF to 1000pF SR 6 30 V/µs VCC = 3.3V, RL = 3kΩ to 7kΩ, measured from 3V to -3V or -3V to 3V, CL = 200pF to 1000pF; 25°C 11
ESD RS-232 Pins Human Body Model -15 15 kV TOUT, RIN; ICL3221 - ICL3243; 25°C 11
ESD RS-232 Pins IEC61000-4-2 Contact Discharge -8 8 kV TOUT, RIN; ICL3221 - ICL3243; 25°C 11
ESD RS-232 Pins IEC61000-4-2 Air Gap Discharge -8 8 kV TOUT, RIN; ICL3221 - ICL3232; 25°C 11
ESD All Other Pins Human Body Model -2 2 kV All other pins; ICL3221 - ICL3243; 25°C 11

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin C2- External capacitor (voltage inverter) is connected to this lead. TIN TTL/CMOS compatible transmitter Inputs. 8

CAD (KiCad official)

  • Symbol: ICL3232IBNZ-T
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: icl3232ibnz-t-etched.step / icl3232ibnz-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); icl3232ibnz-t.step / icl3232ibnz-t.glb are the bare package body.

Provenance

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

  • Datasheet: RENESAS datasheet (36 pp, sha256 b2a9e9447525ad5b, retrieved 2026-10-27, 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