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PCA9554ADBR

Public Made by Adom

by adom

Texas Instruments I/O Expanders, SSOP-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 2d ago
viewers pca9554adbr: viewers · Ray 2d ago
package.json Publish 0.1.0 · Ray 2d ago
page.json Set visibility: public · Ray 2d ago
pca9554adbr-etched.glb pca9554adbr: factory component page (tier=lcsc) · Ray 2d ago
pca9554adbr-etched.step pca9554adbr: factory component page (tier=lcsc) · Ray 2d ago
pca9554adbr-hero.glb pca9554adbr: hero GLB from the etched model (keeps the MPN mark) · Ray 1d ago
pca9554adbr-hero.overlay.json Publish 0.1.0 · Ray 2d ago
pca9554adbr.glb Publish 0.1.0 · Ray 2d ago
pca9554adbr.kicad_mod Publish 0.1.0 · Ray 2d ago
pca9554adbr.kicad_sym Publish 0.1.0 · Ray 2d ago
pca9554adbr.lbr Publish 0.1.0 · Ray 2d ago
pca9554adbr.step Publish 0.1.0 · Ray 2d ago
README.md Initial commit: component/pca9554adbr · Ray 2d ago

PCA9554ADBR

Texas Instruments · I/O Expanders · SSOP-16-208mil

PCA9554ADBR from Texas Instruments, in a SSOP-16-208mil. 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 A0 input Address input. Connect directly to VCC or ground.
2 A1 input Address input. Connect directly to VCC or ground.
3 A2 input Address input. Connect directly to VCC or ground.
4 P0 bidirectional P-port input/output. Push-pull design structure.
5 P1 bidirectional P-port input/output. Push-pull design structure.
6 P2 bidirectional P-port input/output. Push-pull design structure.
7 P3 bidirectional P-port input/output. Push-pull design structure.
8 GND power_in Ground.
9 P4 bidirectional P-port input/output. Push-pull design structure.
10 P5 bidirectional P-port input/output. Push-pull design structure.
11 P6 bidirectional P-port input/output. Push-pull design structure.
12 P7 bidirectional P-port input/output. Push-pull design structure.
13 INT output Open-drain, active-low interrupt output. Connect to VCC through a pullup resistor.
14 SCL input Serial clock bus. Connect to VCC through a pullup resistor.
15 SDA bidirectional Serial data bus. Connect to VCC through a pullup resistor.
16 VCC power_in Supply voltage.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SSOP-16-208mil
Category Interface
Pins 16

CAD (KiCad official)

  • Symbol: PCA9554ADBR
  • Footprint: Package_SO:SSOP-16_5.3x6.2mm_P0.65mm
  • 3D model: SSOP-16-208mil (KiCad packages3D, STEP)
  • 3D model files: pca9554adbr-etched.step / pca9554adbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pca9554adbr.step / pca9554adbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (42 pp, sha256 6104cd12b57d2d07, retrieved 2026-10-08, 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-5-5 (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