8-Bit Micro-controller 16KB with ISP Flash & 1KB RAM embedded; Vcc: 5.0VSpeed (Max) : 25MHzROM : 16K BytesISP : YesRAM : 256 Bytes+1024 BytesADC : YesI/O : 36 at 40L DIP;40 at 44L PLCC and 44L PQFP and 44L LQFP;44 at 48L LQFPPackage : 40L PDIP, 44L PLCC, 44L PQFP, 44L LQFP, 48L LQFP