8BIT CMOS MCU, SMD, 16C56, SOIC18; No. of Timers:1; Digital IC Case Style:SOIC; No. of Pins:18; SVHC:No SVHC (19-Dec-2011); Clock Frequency:4MHz; IC Generic Number:16C56; Logic Function Number:16C56; Memory Configuration:1K x 12; Memory Size:1Kb; Memory Type:OTP; No. of Bits:8; No. of I/O's:12; Package / Case:SOIC; Termination Type:SMD