PIC18LF2550-I/SP microcontroller by Microchip. Features: 32 KB Enh Flash, 2048 RAM, FS-USB 2.0 Package: 28-DIP ( Narrow) Download Microchip PIC18LF2550-I/SP .pdf datasheet: Status; NOS (New Old Stock) Tested components: YES RoHS compliant: YES