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SN65C3232EDWR
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Texas Instruments RS232 ICs, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SN65C3232EDWR
Texas Instruments · RS232 ICs · SOIC-16-300mil
SN65C3232EDWR from Texas Instruments, in a SOIC-16-300mil. 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 lead of the C1 charge-pump capacitor. |
| 2 | V+ | power_out | Positive charge pump output for storage capacitor only (absolute max -0.3 V to 7 V). |
| 3 | C1− | passive | Negative lead of the C1 charge-pump capacitor. |
| 4 | C2+ | passive | Positive lead of the C2 charge-pump capacitor. |
| 5 | C2− | passive | Negative lead of the C2 charge-pump capacitor. |
| 6 | V− | power_out | Negative charge pump output for storage capacitor only (absolute max -7 V). |
| 7 | DOUT2 | output | RS232 line data output to the remote RS232 system, with ±15 kV HBM and IEC 61000-4-2 air-gap ESD protection (±8 kV contact). |
| 8 | RIN2 | input | RS232 line data input from the remote RS232 system, with ±25 V input range, 5 kΩ typical internal load and ±15 kV HBM ESD protection. |
| 9 | ROUT2 | output | Logic data output to the UART; goes high when RIN2 is open. |
| 10 | DIN2 | input | Logic data input from the UART; must be connected to a valid high or low level (VIL max 0.8 V). |
| 11 | DIN1 | input | Logic data input from the UART; must be connected to a valid high or low level (VIL max 0.8 V). |
| 12 | ROUT1 | output | Logic data output to the UART; goes high when RIN1 is open. |
| 13 | RIN1 | input | RS232 line data input from the remote RS232 system, with ±25 V input range, 5 kΩ typical internal load and ±15 kV HBM ESD protection. |
| 14 | DOUT1 | output | RS232 line data output to the remote RS232 system, with ±15 kV HBM and IEC 61000-4-2 air-gap ESD protection (±8 kV contact). |
| 15 | GND | power_in | Ground. |
| 16 | VCC | power_in | Supply voltage, connect to an external 3-V to 5.5-V power supply. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-16-300mil |
| Category | Interface |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
SN65C3232EDWR - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
- 3D model files:
sn65c3232edwr-etched.step/sn65c3232edwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn65c3232edwr.step/sn65c3232edwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (32 pp, sha256
9a8ff990a7fbdf5c, retrieved 2026-10-07, 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-4-5-20251001(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).
# SN65C3232EDWR
**Texas Instruments** · RS232 ICs · SOIC-16-300mil
SN65C3232EDWR from Texas Instruments, in a SOIC-16-300mil. 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 lead of the C1 charge-pump capacitor. |
| 2 | V+ | power_out | Positive charge pump output for storage capacitor only (absolute max -0.3 V to 7 V). |
| 3 | C1− | passive | Negative lead of the C1 charge-pump capacitor. |
| 4 | C2+ | passive | Positive lead of the C2 charge-pump capacitor. |
| 5 | C2− | passive | Negative lead of the C2 charge-pump capacitor. |
| 6 | V− | power_out | Negative charge pump output for storage capacitor only (absolute max -7 V). |
| 7 | DOUT2 | output | RS232 line data output to the remote RS232 system, with ±15 kV HBM and IEC 61000-4-2 air-gap ESD protection (±8 kV contact). |
| 8 | RIN2 | input | RS232 line data input from the remote RS232 system, with ±25 V input range, 5 kΩ typical internal load and ±15 kV HBM ESD protection. |
| 9 | ROUT2 | output | Logic data output to the UART; goes high when RIN2 is open. |
| 10 | DIN2 | input | Logic data input from the UART; must be connected to a valid high or low level (VIL max 0.8 V). |
| 11 | DIN1 | input | Logic data input from the UART; must be connected to a valid high or low level (VIL max 0.8 V). |
| 12 | ROUT1 | output | Logic data output to the UART; goes high when RIN1 is open. |
| 13 | RIN1 | input | RS232 line data input from the remote RS232 system, with ±25 V input range, 5 kΩ typical internal load and ±15 kV HBM ESD protection. |
| 14 | DOUT1 | output | RS232 line data output to the remote RS232 system, with ±15 kV HBM and IEC 61000-4-2 air-gap ESD protection (±8 kV contact). |
| 15 | GND | power_in | Ground. |
| 16 | VCC | power_in | Supply voltage, connect to an external 3-V to 5.5-V power supply. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-16-300mil |
| Category | Interface |
| Pins | 16 |
## CAD (KiCad official)
- Symbol: `SN65C3232EDWR`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
- 3D model files: `sn65c3232edwr-etched.step` / `sn65c3232edwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn65c3232edwr.step` / `sn65c3232edwr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/sn65c3232e) (32 pp, sha256 `9a8ff990a7fbdf5c`, retrieved 2026-10-07, 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`, primary `claude-haiku-4-5-20251001` (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](docs/sn65c3232edwr-datasheet.pdf)