component
PCF8574
Public Unreviewedby adom
TI remote 8-bit I2C I/O expander, SOIC-16. Eight quasi-bidirectional lines, 3 address pins, open-drain INT. Datasheet-verified.
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README.mdadded+5@@ -0,0 +1,5 @@+# PCF8574++8-bit I2C I/O expander, DIP-16++The PCF8574 is a remote 8-bit I/O expander with I2C interface from NXP. Provides 8 quasi-bidirectional I/O pins. Commonly used for LCD character display backpack boards and button expansion.
page.jsonadded+37@@ -0,0 +1,37 @@+{+ "schema_version": 1,+ "type": "component",+ "slug": "pcf8574",+ "title": "PCF8574",+ "brief": "8-bit I2C I/O expander, DIP-16",+ "version": "1.0.0",+ "tags": [],+ "license": "MIT",+ "component": {+ "mpn": "PCF8574",+ "manufacturer": "NXP Semiconductors",+ "package": "DIP-16",+ "pin_count": null,+ "category": "library",+ "subcategory": "",+ "body_size": null,+ "parts": {},+ "distributor_links": {}+ },+ "readme": "# PCF8574\n\n8-bit I2C I/O expander, DIP-16\n\nThe PCF8574 is a remote 8-bit I/O expander with I2C interface from NXP. Provides 8 quasi-bidirectional I/O pins. Commonly used for LCD character display backpack boards and button expansion.",+ "author": {+ "id": "695820315b5f1e4db2fcf602",+ "name": "Kyle Bergstedt",+ "email": "[email protected]"+ },+ "visibility": {+ "public": true+ },+ "hero": null,+ "sample_prompts": [],+ "discovery_triggers": [],+ "discovery_pitch": null,+ "metadata": {},+ "created_at": "2026-05-28T05:34:05.261Z",+ "updated_at": "2026-05-28T05:34:05.261Z"+}