# SP (Component)
## Description
I/O Expanders
MCP23018-E/SP
SPDIP-28_L34.7-W7.2-P2.54-LS7.9-BL
LCSC Part Number: C647353
JLCPCB Part Class: Extended Part
Manufactured by Microchip Tech
## Component Details
- **Owner:** lcsc
- **Created:** 11/4/2024
- **Last Updated:** 4/28/2025
- **Visibility:** Public
- **Package or Case Code:** SPDIP-28_L34.7-W7.2-P2.54-LS7.9-BL
- **Product Info Url:** https://lcsc.com/product-detail/Pre-ordered-Products_Microchip-Tech_MCP23018-E-SP_Microchip-Tech-MCP23018-E-SP_C647353.html
- **JLCPCB Part Class:** Extended Part
- **Manufacturer Name:** Microchip Tech
- **Part Type:** I/O Expanders
- **LCSC Part Number:** C647353
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2009241003_Microchip-Tech-MCP23018-E-SP_C647353.pdf
- **Manufacturer Part Number:** MCP23018-E/SP
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/mcp23018-esp/microchip-technology.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/MCP23018-E-SP/1999505) | $2.13 | 316 |
| [LCSC](https://www.lcsc.com/product-detail/C647353.html) | $3.5955 | 0 |
| [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/MCP23018-E-SP?qs=rTzW0HAgjYPi3CrOYquyXg%3D%3D) | $2.13 | 106 |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=MCP23018-E%2FSP) | $2.03 | 15 |
| [Verical](https://www.verical.com/pd/microchip-technology-interface---i-o-expander-MCP23018-E-SP-574315?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Microchip
- **MPN:** MCP23018-E/SP
- **Mount Type:** PCB
- **Package / Case Code:** Other
- **Pin Count:** 28
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | VSS | |
| 2 | NC | |
| 3 | GPB0 | |
| 4 | GPB1 | |
| 5 | GPB2 | |
| 6 | GPB3 | |
| 7 | GPB4 | |
| 8 | GPB5 | |
| 9 | GPB6 | |
| 10 | GPB7 | |
| 11 | VDD | |
| 12 | SCL | |
| 13 | SDA | |
| 14 | NC | |
| 15 | ADDR | |
| 16 | ~{RESET} | |
| 17 | NC | |
| 18 | INTB | |
| 19 | INTA | |
| 20 | GPA0 | |
| 21 | GPA1 | |
| 22 | GPA2 | |
| 23 | GPA3 | |
| 24 | GPA4 | |
| 25 | GPA5 | |
| 26 | GPA6 | |
| 27 | GPA7 | |
| 28 | NC | |
---
*Generated from [https://www.flux.ai/lcsc/sp](https://www.flux.ai/lcsc/sp)*