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SP232ECN-TD
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TDSEMIC RS232 ICs, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SP232ECN-TD
TDSEMIC · RS232 ICs · SOP-16
SP232ECN-TD from TDSEMIC, 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 | Terminal for the positive side of the charge-pump C1 capacitor (1.0µF). |
| 2 | V+ | power_out | Positive voltage generated by the charge-pump; absolute maximum 9.8V, with a 1.0µF capacitor in the application circuit. |
| 3 | C1- | passive | Terminal for the negative side of the charge-pump C1 capacitor (1.0µF). |
| 4 | C2+ | passive | Terminal for the positive side of the charge-pump C2 capacitor (1.0µF). |
| 5 | C2- | passive | Terminal for the negative side of the charge-pump C2 capacitor (1.0µF). |
| 6 | V- | power_out | Negative voltage generated by the charge-pump; absolute maximum -9.0V, with a 1.0µF capacitor to ground in the application circuit. |
| 7 | T2OUT | output | RS-232 driver 2 output (RS-232 levels). |
| 8 | R2IN | input | RS-232 receiver 2 input (RS-232 levels, ±20V input range) with an internal 5K pulldown. |
| 9 | R2OUT | output | RS-232 receiver 2 output (TTL/CMOS levels). |
| 10 | T2IN | input | RS-232 driver 2 input (TTL/CMOS levels). |
| 11 | T1IN | input | RS-232 driver 1 input (TTL/CMOS levels). |
| 12 | R1OUT | output | RS-232 receiver 1 output (TTL/CMOS levels). |
| 13 | R1IN | input | RS-232 receiver 1 input (RS-232 levels, ±20V input range) with an internal 5K pulldown. |
| 14 | T1OUT | output | RS-232 driver 1 output (RS-232 levels). |
| 15 | GND | power_in | Ground. |
| 16 | VCC | power_in | Supply voltage input, 4.5V to 5.5V recommended, 6.0V absolute maximum. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TDSEMIC |
| Package | SOP-16 |
| Category | Interface |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
SP232ECN-TD - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files:
sp232ecn-td-etched.step/sp232ecn-td-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sp232ecn-td.step/sp232ecn-td.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TDSEMIC datasheet (9 pp, sha256
221d7a31a17d44ce, retrieved 2026-10-18, 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-sonnet-5-5(vision), consensusclaude-opus-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).
# SP232ECN-TD
**TDSEMIC** · RS232 ICs · SOP-16
SP232ECN-TD from TDSEMIC, 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 | Terminal for the positive side of the charge-pump C1 capacitor (1.0µF). |
| 2 | V+ | power_out | Positive voltage generated by the charge-pump; absolute maximum 9.8V, with a 1.0µF capacitor in the application circuit. |
| 3 | C1- | passive | Terminal for the negative side of the charge-pump C1 capacitor (1.0µF). |
| 4 | C2+ | passive | Terminal for the positive side of the charge-pump C2 capacitor (1.0µF). |
| 5 | C2- | passive | Terminal for the negative side of the charge-pump C2 capacitor (1.0µF). |
| 6 | V- | power_out | Negative voltage generated by the charge-pump; absolute maximum -9.0V, with a 1.0µF capacitor to ground in the application circuit. |
| 7 | T2OUT | output | RS-232 driver 2 output (RS-232 levels). |
| 8 | R2IN | input | RS-232 receiver 2 input (RS-232 levels, ±20V input range) with an internal 5K pulldown. |
| 9 | R2OUT | output | RS-232 receiver 2 output (TTL/CMOS levels). |
| 10 | T2IN | input | RS-232 driver 2 input (TTL/CMOS levels). |
| 11 | T1IN | input | RS-232 driver 1 input (TTL/CMOS levels). |
| 12 | R1OUT | output | RS-232 receiver 1 output (TTL/CMOS levels). |
| 13 | R1IN | input | RS-232 receiver 1 input (RS-232 levels, ±20V input range) with an internal 5K pulldown. |
| 14 | T1OUT | output | RS-232 driver 1 output (RS-232 levels). |
| 15 | GND | power_in | Ground. |
| 16 | VCC | power_in | Supply voltage input, 4.5V to 5.5V recommended, 6.0V absolute maximum. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TDSEMIC |
| Package | SOP-16 |
| Category | Interface |
| Pins | 16 |
## CAD (KiCad official)
- Symbol: `SP232ECN-TD`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files: `sp232ecn-td-etched.step` / `sp232ecn-td-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sp232ecn-td.step` / `sp232ecn-td.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [TDSEMIC datasheet](docs/sp232ecn-td-datasheet.pdf) (9 pp, sha256 `221d7a31a17d44ce`, retrieved 2026-10-18, 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-sonnet-5-5` (vision), consensus `claude-opus-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/sp232ecn-td-datasheet.pdf)