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PI4IOE5V9535ZDEX
Public Made by Adomby adom
Diodes Incorporated I/O Expanders, QFN-24(4x4). Datasheet-verified pinout, 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
markdownPI4IOE5V9535ZDEX
Diodes Incorporated · I/O Expanders · QFN-24(4x4)
PI4IOE5V9535ZDEX from Diodes Incorporated, in a QFN-24(4x4). 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 | IO0_0 | bidirectional | Port 0 input/output 0 |
| 2 | IO0_1 | bidirectional | Port 0 input/output 1 |
| 3 | IO0_2 | bidirectional | Port 0 input/output 2 |
| 4 | IO0_3 | bidirectional | Port 0 input/output 3 |
| 5 | IO0_4 | bidirectional | Port 0 input/output 4 |
| 6 | IO0_5 | bidirectional | Port 0 input/output 5 |
| 7 | IO0_6 | bidirectional | Port 0 input/output 6 |
| 8 | IO0_7 | bidirectional | Port 0 input/output 7 |
| 9 | GND | power_in | Ground |
| 10 | IO1_0 | bidirectional | Port 1 input/output 0 |
| 11 | IO1_1 | bidirectional | Port 1 input/output 1 |
| 12 | IO1_2 | bidirectional | Port 1 input/output 2 |
| 13 | IO1_3 | bidirectional | Port 1 input/output 3 |
| 14 | IO1_4 | bidirectional | Port 1 input/output 4 |
| 15 | IO1_5 | bidirectional | Port 1 input/output 5 |
| 16 | IO1_6 | bidirectional | Port 1 input/output 6 |
| 17 | IO1_7 | bidirectional | Port 1 input/output 7 |
| 18 | A0 | input | Address input 0 |
| 19 | SCL | input | Serial clock line input |
| 20 | SDA | input | Serial data line open-drain |
| 21 | VCC | power_in | Supply voltage |
| 22 | INT | output | Interrupt input (open-drain) |
| 23 | A1 | input | Address input 1 |
| 24 | A2 | input | Address input 2 |
| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | QFN-24(4x4) |
| Category | Interface |
| Pins | 25 |
CAD (KiCad official)
- Symbol:
PI4IOE5V9535ZDEX - Footprint:
Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm - 3D model: QFN-24(4x4) (KiCad packages3D, STEP)
- 3D model files:
pi4ioe5v9535zdex-etched.step/pi4ioe5v9535zdex-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pi4ioe5v9535zdex.step/pi4ioe5v9535zdex.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (17 pp, sha256
8931ac7e027df6c6, 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).