# MCS3142 (Component) ## Description Microchip KEELOQ classic / ultimate encoder - keyfob IC sending button state, serial and authentiation as PWM/manchester encoded AM/FM signal in ISM bands #AM #FM #commonpartslibrary #RF #integratedcircuit ## Component Details - **Owner:** vasy_skral - **Created:** 4/26/2021 - **Last Updated:** 1/16/2023 - **Visibility:** Public - **Part Type:** Integrated Circuit - **Manufacturer Name:** Microchip Technology - **Manufacturer Part Number:** MCS3142T-I/ST - **Datasheet URL:** http://www.microchip.com/mymicrochip/filehandler.aspx?ddocname=en568870 - **Used in:** 1 project - **Stars:** 1 ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/MCS3142T-I-ST/4790002) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/C627727.html) | $1.5325 | 0 | | [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/MCS3142T-I-ST?qs=FtPMRLvtI721yEN3zO5Emg%3D%3D) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Microchip - **MPN:** MCS3142T-I/ST - **Pin Count:** 20 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | VDD | | | 2 | SOSCI | | | 3 | SOSCO | | | 4 | SW3 | | | 5 | PGC | | | 6 | PGD | | | 7 | VSS | | | 8 | VDD | | | 9 | CTRL_IN | | | 10 | RF_OUT | | | 11 | VSS | | | 12 | DATA_IN | | | 13 | XTAL | | | 14 | CTRL_OUT | | | 15 | DATA_OUT | | | 16 | ~LED | | | 17 | SW2 | | | 18 | SW1 | | | 19 | SW0 | | | 20 | VSS | | --- *Generated from [https://www.flux.ai/vasy_skral/mcs3142](https://www.flux.ai/vasy_skral/mcs3142)*