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NCA9535PWJ
Public Made by Adomby adom
Nexperia I/O Expanders, TSSOP-24. 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
markdownNCA9535PWJ
Nexperia · I/O Expanders · TSSOP-24
NCA9535PWJ from Nexperia, in a TSSOP-24. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | INT | output | Interrupt output, open-drain active LOW; connect to VCC through a pull-up resistor. |
| 2 | A1 | input | Address input 1; connect directly to VCC or GND. |
| 3 | A2 | input | Address input 2; connect directly to VCC or GND. |
| 4 | P0_0 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 5 | P0_1 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 6 | P0_2 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 7 | P0_3 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 8 | P0_4 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 9 | P0_5 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 10 | P0_6 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 11 | P0_7 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 12 | GND | power_in | Ground. |
| 13 | P1_0 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 14 | P1_1 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 15 | P1_2 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 16 | P1_3 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 17 | P1_4 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 18 | P1_5 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 19 | P1_6 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 20 | P1_7 | bidirectional | Parallel port I/O with push-pull driver; configured as high-impedance input at power-on. |
| 21 | A0 | input | Address input 0; connect directly to VCC or GND. |
| 22 | SCL | input | Serial clock bus; Schmitt-trigger input with noise filter; connect to VCC through a pull-up resistor. |
| 23 | SDA | bidirectional | Serial data bus; Schmitt-trigger input with noise filter; connect to VCC through a pull-up resistor. |
| 24 | VCC | power_in | Supply voltage; operating range 1.65 V to 5.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | TSSOP-24 |
| Category | Interface |
| Pins | 24 |
CAD (KiCad official)
- Symbol:
NCA9535PWJ - Footprint:
Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm - 3D model: TSSOP-24 (KiCad packages3D, STEP)
- 3D model files:
nca9535pwj-etched.step/nca9535pwj-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);nca9535pwj.step/nca9535pwj.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (30 pp, sha256
9e8ddc3f8cacf84e, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).