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HT3232EBRZ

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

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HT3232EBRZ

HTCSEMI · RS232 ICs · SOP-16

HT3232EBRZ from HTCSEMI, 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 Positive terminal for the first charge-pump capacitor.
2 V+ power_out Doubled-voltage terminal of the charge pump; V+ can have a maximum magnitude of +7 V, and its absolute value added to
3 C1- passive Negative terminal for the first charge-pump capacitor.
4 C2+ passive Positive terminal for the second charge-pump capacitor.
5 C2- passive Negative terminal for the second charge-pump capacitor.
6 V- power_out Inverted-voltage terminal of the charge pump; V- can have a maximum magnitude of -7 V (range -0.3 V to -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 TTL/CMOS input; input voltage range is -0.3 V to 6 V.
11 T1IN input First transmitter TTL/CMOS 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 operating supply range is 3.3 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer HTCSEMI
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
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
Output Voltage Swing (5.0V) VTOUT -5 5.4 V All transmitter outputs are loaded with 3KΩ to GND; VCC = 5.0V 3
Output Voltage Swing (3.3V) VTOUT -3.5 4 V All transmitter outputs are loaded with 3KΩ to GND; VCC = 3.3V 3
Output Short Circuit Current ITSC -60 60 mA VCC = 3.3V to 5V VOUT = 0V 3
Transmitter Output Resistance RTOUT 300 Ω VCC = V+ = V- = 0V VOUT = ±2V 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 CL = 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
Input Hysteresis VRIHYS 0.3 V 3
Supply Voltage VCC -0.3 6 V 2
Doubled Voltage Terminal V+ 7 V 2
Inverted Voltage Terminal V- -7 0.3 V 2
Combined V+ and /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
Storage Temperature Ts -60 150 °C 2
Operating Temperature Range TA -40 125 °C For all packages 1

CAD (KiCad official)

  • Symbol: HT3232EBRZ
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: ht3232ebrz-etched.step / ht3232ebrz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ht3232ebrz.step / ht3232ebrz.glb are the bare package body.

Provenance

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

  • Datasheet: HTCSEMI datasheet (13 pp, sha256 32c4933cdf983c9d, 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