# 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 KEELOQ classic ultimate keyless entry keyfob ISM TSSOP*4.4x6.5mm?P0.65mm* ## Component Details - **Owner:** kicad-part-library - **Created:** 9/27/2024 - **Last Updated:** 9/27/2024 - **Visibility:** Public - **Manufacturer Name:** Microchip Technology Inc. - **Manufacturer Part Number:** MCS3142 - **Package or Case Code:** TSSOP-20_4.4x6.5mm_P0.65mm - **Datasheet URL:** http://ww1.microchip.com/downloads/en/DeviceDoc/40001747A.pdf - **Used in:** 2 projects - **Manufacturer:** Microchip - **MPN:** MCS3142 - **Package / Case Code:** 20-TSSOP - **Pin Count:** 20 ## 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/kicad-part-library/mcs3142~dt](https://www.flux.ai/kicad-part-library/mcs3142~dt)*