8BIT CMOS MCU, SMD, 16C54, SOIC18; Controller Family/Series:PIC16C; Core Size:8bit; No. of I/O's:12; Program Memory Size:512 words; EEPROM Memory Size:512Byte; RAM Memory Size:25Byte; CPU Speed:4MHz; Oscillator Type:External; No. of Timers:1; Peripherals:Timer; Digital IC Case Style:SOIC; Supply Voltage Range:3V to 6.25V; Operating Temperature Range:0°C to +70°C; No. of Pins:18; SVHC:No SVHC (20-Jun-2011); Clock Frequency:4MHz; IC Generic Number:16C54; IC Temperature Range:Commercial; Logic Function Number:16C54; Memory Configuration:512 x 12; Memory Size:512 B; Memory Type:OTP; Microprocessor/Controller Features:512b OTP PROM; No. of Bits:8; No. of I/O's:12; OTP Memory Size:6KB; Operating Temperature Max:70°C; Operating Temperature Min:0°C; Package / Case:SOIC; Peripherals:POR; Supply Voltage Max:6.25V; Supply Voltage Min:3V; Termination Type:SMD