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PI4IOE5V6416ZDEX

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Diodes Incorporated I/O Expanders, QFN-24-EP(4x4). Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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PI4IOE5V6416ZDEX

Diodes Incorporated · I/O Expanders · QFN-24-EP(4x4)

PI4IOE5V6416ZDEX from Diodes Incorporated, in a QFN-24-EP(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 P0_0 bidirectional Port 0 bidirectional I/O 0; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
2 P0_1 bidirectional Port 0 bidirectional I/O 1; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
3 P0_2 bidirectional Port 0 bidirectional I/O 2; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
4 P0_3 bidirectional Port 0 bidirectional I/O 3; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
5 P0_4 bidirectional Port 0 bidirectional I/O 4; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
6 P0_5 bidirectional Port 0 bidirectional I/O 5; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
7 P0_6 bidirectional Port 0 bidirectional I/O 6; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
8 P0_7 bidirectional Port 0 bidirectional I/O 7; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
9 VSS power_in Ground reference; ground supply current maximum 200 mA.
10 P1_0 bidirectional Port 1 bidirectional I/O 0; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
11 P1_1 bidirectional Port 1 bidirectional I/O 1; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
12 P1_2 bidirectional Port 1 bidirectional I/O 2; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
13 P1_3 bidirectional Port 1 bidirectional I/O 3; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
14 P1_4 bidirectional Port 1 bidirectional I/O 4; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
15 P1_5 bidirectional Port 1 bidirectional I/O 5; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
16 P1_6 bidirectional Port 1 bidirectional I/O 6; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
17 P1_7 bidirectional Port 1 bidirectional I/O 7; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P); IOH up to −10 mA, IOL up to 10 mA; configurable pull-up/pull-down 50-150 kΩ.
18 ADDR input I2C address select input; connect directly to VDD(P) or ground; VIL ≤ 0.3×VDD(P), VIH ≥ 0.7×VDD(P), leakage ±1 µA.
19 SCL input I2C serial clock input; connect to VDD(I2C-bus) through a pull-up resistor; supports Standard (100 kHz) and Fast (400 kHz) modes.
20 SDA bidirectional I2C serial data bus, open-drain; connect to VDD(I2C-bus) through a pull-up resistor; IOL = 3 mA at VOL = 0.4 V.
21 VDD(P) power_in GPIO port supply voltage for PI4IOE5V6416 Port P; operating range 1.65 V to 5.5 V; maximum supply current through VDD(P) 160 mA.
22 INT output Active-LOW interrupt output, open-drain; connect to VDD(I2C-bus) or VDD(P) through a pull-up resistor; IOL = 3 mA at VOL = 0.4 V.
23 VDD(I2C-bus) power_in I2C-bus supply voltage; connect directly to VDD of the external I2C master for voltage-level translation; operating range 1.65 V to 5.5 V.
24 RESET input Active-LOW reset input; connect to VDD(I2C-bus) through a pull-up resistor if unused; reset pulse width minimum 30 ns; all I/Os set to inputs on reset.
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-EP(4x4)
Category Interface
Pins 25

CAD (KiCad official)

  • Symbol: PI4IOE5V6416ZDEX
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm
  • 3D model: QFN-24-EP(4x4) (KiCad packages3D, STEP)
  • 3D model files: pi4ioe5v6416zdex-etched.step / pi4ioe5v6416zdex-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pi4ioe5v6416zdex.step / pi4ioe5v6416zdex.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Diodes Incorporated datasheet (19 pp, sha256 d920aec72f7e2898, retrieved 2026-09-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-sonnet-4-6 (text+vision), consensus claude-opus-4-7 (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