PIC18F2220-I/SP 8-Bit 40MHz Microcontroller by Microchip. Package: 28-DIP Memory : 4K (byte) Flash, 512 (byte) SRAM, 256 (byte) EEPROM. Download Microchip PIC18F13K22-I/P .pdf datasheet: Status: NOS (New Old Stock) RoHS compliant: YES