# MCP7940N-I/MS (Component) ## Description Real Time Clock (RTC) IC Clock/Calendar 64B I²C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) #CommonPartsLibrary #IntegratedCircuit #Clock/Timing #RTC #MCP7940 ## Component Details - **Owner:** jecstronic - **Created:** 10/24/2023 - **Last Updated:** 10/24/2023 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Part Type:** Integrated Circuit - **Datasheet URL:** https://ww1.microchip.com/downloads/aemDocuments/documents/MPD/ProductDocuments/DataSheets/MCP7940N-Battery-Backed-I2C-RTCC-with-SRAM-20005010J.pdf - **Manufacturer Part Number:** MCP7940N-I/MS - **Manufacturer Name:** Microchip Technology - **Used in:** 17 projects ## 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/mcp7940n-ims/microchip-technology.html?utm_currency=USD&region=nac) | $0.8892 | 59 | | [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/MCP7940N-I-MS/2651353) | $0.90 | 2.6K | | [LCSC](https://www.lcsc.com/product-detail/C148074.html) | $1.2296 | 0 | | [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/MCP7940N-I-MS?qs=o%2FJGMiCJeCOOq150bqENmA%3D%3D) | $0.90 | 3K | | [Verical](https://www.verical.com/pd/microchip-technology-real-time-clock-MCP7940N-I-MS-565943?utm_currency=USD) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Microchip - **MPN:** MCP7940N-I/MS - **Mount Type:** Wire - **Package / Case Code:** 8-MSOP - **Pin Count:** 8 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | X1 | | | 2 | X2 | | | 3 | VBAT | | | 4 | VSS | | | 5 | SDA | | | 6 | SCL | | | 7 | MFP | | | 8 | VCC | | --- *Generated from [https://www.flux.ai/jecstronic/mcp7940n-ims](https://www.flux.ai/jecstronic/mcp7940n-ims)*