component
WS3232ECA
Public Made by Adomby adom
GEC RS232 ICs, SSOP-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownWS3232ECA
GEC · RS232 ICs · SSOP-16-208mil
WS3232ECA from GEC, in a SSOP-16-208mil. 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 boost charge-pump capacitor, used with a 0.1µF capacitor per the test conditions. |
| 2 | V+ | power_out | Charge-pump output generating approximately +5.4V; absolute maximum VP is -0.3V to +7V. |
| 3 | C1- | passive | Negative terminal of the boost charge-pump capacitor, used with a 0.1µF capacitor per the test conditions. |
| 4 | C2+ | passive | Positive terminal of the inverting charge-pump capacitor, used with a 0.1µF capacitor per the test conditions. |
| 5 | C2- | passive | Negative terminal of the inverting charge-pump capacitor, used with a 0.1µF capacitor per the test conditions. |
| 6 | V- | power_out | Charge-pump output generating approximately -5.4V; absolute maximum VN is -7V to +0.3V. |
| 7 | T2OUT | output | Second RS-232 driver output, rated ±15V absolute maximum and ±5V typical swing with a 3kΩ load. |
| 8 | R2IN | input | Second RS-232 receiver input, rated ±20V absolute maximum with a typical input resistance of 3 to 7kΩ. |
| 9 | R2OUT | output | Second TTL/CMOS receiver output, referenced to VCC with a high level of VCC-0.1V at -1.0mA. |
| 10 | T2IN | input | Second TTL/CMOS driver input with thresholds of 0.8V low and 2.4V high. |
| 11 | T1IN | input | First TTL/CMOS driver input with thresholds of 0.8V low and 2.4V high. |
| 12 | R1OUT | output | First TTL/CMOS receiver output, referenced to VCC with a high level of VCC-0.1V at -1.0mA. |
| 13 | R1IN | input | First RS-232 receiver input, rated ±20V absolute maximum with a typical input resistance of 3 to 7kΩ. |
| 14 | T1OUT | output | First RS-232 driver output, rated ±15V absolute maximum and ±5V typical swing with a 3kΩ load. |
| 15 | GND | power_in | Ground reference for the device. |
| 16 | VCC | power_in | Supply voltage of +3V to +5.5V (recommended 3V to 5.25V, absolute maximum +7V). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | GEC |
| Package | SSOP-16-208mil |
| Category | Interface ICs |
| 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 |
|---|---|---|---|---|---|---|---|
| 电源电压 (supply voltage) | 3 | 5 | V | VCC = +3.3V 或者 VCC = +5V | 2 | ||
| 工作温度 (operating temperature, Commercial Grade) | -40 | 25 | 85 | ℃ | Commercial Grade | 2 | |
| 电荷泵电容 C1P, C1N, C2P, C2N (charge pump capacitor) | 0.1 | 0.1 | 1 | uF | 2 | ||
| 工作电流 (operating current) | 0.5 | 1 | mA | TTL Inputs = VCC/GND, RS-232 Input = float | 2 | ||
| 驱动器输入 输入阈值电压 Low | 0.8 | V | VCC = +3.3V 或者 VCC = +5V Supply, VIN = VCC and GND, TIN | 2 | |||
| 驱动器输入 输入阈值电压 High | 2.4 | V | 2 | ||||
| 驱动器输入 输入漏电流 (input leakage) | -1 | 0.1 | 1 | uA | 2 | ||
| 接收器输出 输出电压 Low | 0.4 | V | IOUT = 1.6mA | 2 | |||
| 接收器输出 输出漏电流 (output leakage) | -10 | 0.1 | 10 | uA | Receiver Outputs Disabled, VOUT = VCC or GND | 2 | |
| 接收器输入 输入电压摆幅 (input voltage swing) | -20 | 20 | V | TA = 25°C, VCC = 3.3V或者VCC = +5V Supply | 2 | ||
| 接收器输入 输入阈值电压 Low | 0.8 | V | 2 | ||||
| 接收器输入 输入阈值电压 High | 2.4 | V | 2 | ||||
| 接收器输入 输入电阻 (input resistance) | 3 | 5 | 7 | KΩ | VIN = ±20V, TA = 25°C | 2 | |
| 驱动器输出 输出电压幅值 (output voltage swing) | -5 | 5 | V | RL = 3kΩ, All Outputs are loaded | 2 | ||
| 驱动器输出 输出电阻 (output resistance) | 300 | Ω | VCC = VP = VN = GND, VOUT = ±2V | 2 | |||
| 驱动器输出 输出短路电流 (short-circuit current) | -60 | 60 | mA | VOUT = GND | 2 | ||
| 驱动器输出 输出漏电流 (output leakage, transmitter disabled) | -5 | 5 | uA | Transmitter Disabled, VOUT = ±12V | 2 | ||
| 最大数据传输速率 (maximum data rate) | 250 | Kbps | RL = 3kΩ, CL = 1000pF, One Transmitter Switching, TA = 25°C | 2 | |||
| 传输限摆率 (driver transition slew rate) | 6 | 30 | V/uS | RL = 3~7kΩ, CL = 150pF to 1000pF, One Transmitter Switching, TA = 25°C, measured from 3V to -3V or -3V to 3V | 2 | ||
| ESD HBM (RS-232 inputs and outputs) | -15 | 15 | KV | ESD HBM, RS-232 Inputs and Outputs | 3 | ||
| ESD EN61000-4-2 接触放电 (contact discharge) | -8 | 8 | KV | EN61000-4-2 Contact Discharge | 3 | ||
| ESD EN61000-4-2 空气放电 (air gap discharge) | -15 | 15 | KV | EN61000-4-2 Air Gap Discharge | 3 | ||
| 最大工作电压 (maximum operating voltage) | VCC | 7 | V | 6 | |||
| 正电荷泵 (positive charge pump) | VP | -0.3 | 7 | V | 6 | ||
| 负电荷泵 (negative charge pump) | VN | -7 | 0.3 | V | 6 | ||
| 驱动器输入脚 (driver input pins) | -0.3 | 7 | V | T1IN, T2IN | 6 | ||
| 接收器输入脚 (receiver input pins) | -20 | 20 | V | R1IN, R2IN | 6 | ||
| 驱动器输出脚 (driver output pins) | -15 | 15 | V | T1OUT, T2OUT | 6 | ||
| 存储温度 (storage temperature) | TSTG | -65 | 150 | ℃ | 6 | ||
| 最高结温 (maximum junction temperature) | TJ | 150 | ℃ | 6 | |||
| ESD-HBM | ESD-HBM | 2000 | V | 6 | |||
| 推荐工作电压 (recommended supply voltage) | VDD | 3 | 5.25 | V | 6 | ||
| 工作温度 (recommended operating temperature) | TA | -40 | 85 | ℃ | 6 | ||
| 驱动器输入 输入阈值电压迟滞 (hysteresis) | 0.5 | V | 2 | ||||
| 接收器输入 输入阈值电压迟滞 (hysteresis) | 0.5 | V | 2 | ||||
| 接收器输入延时 (receiver input propagation delay) | 0.15 | uS | CL = 150pF | 2 | |||
| 接收器输出延时 (receiver output propagation delay) | 0.15 | uS | 2 | ||||
| 接收器输入输出延时之差 (receiver delay skew) | 50 | nS | 3 |
CAD (KiCad official)
- Symbol:
WS3232ECA - Footprint:
Package_SO:SSOP-16_5.3x6.2mm_P0.65mm - 3D model: SSOP-16-208mil (KiCad packages3D, STEP)
- 3D model files:
ws3232eca-etched.step/ws3232eca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ws3232eca.step/ws3232eca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: GEC datasheet (10 pp, sha256
f9cb4940c038f66c, retrieved 2026-11-05, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).