of Pins:40Pins; MCU Case Style:DIP; No.
of Timers:3; Number of bits In Timer:16; Operating Temperature Max:85°C; Operating Temperature Min:-40°C; Operating Temperature Range:-40°C to +85°C; Oscillator Type:External, Internal; Peripherals:Timer; Program Memory Size:20KB; Supply Voltage Range:4V to 5. MCU, 8BIT, 8051, 24MHZ, DIP-40; Product Range:8051 Family AT89C55 Series Microcontrollers; CPU Speed:24MHz; Program Memory Size:20KB; RAM Memory Size:256Byte; No.5V; MCU Family:8051; MCU Series:AT89C55; Automotive Qualification Standard:-; RoHS Phthalates Compliant:Yes; MSL:-; SVHC:No SVHC (27-Jun-2018); Controller Family/Series:AT89C55; Device Marking:AT89C55WD-24PU; Logic Function Number:55; MPU Core Size:8bit; Memory Type:Flash; Microprocessor/Controller Features:8 Interrupt Sources, Programmable Serial Channel, Low-power idle and Power-Down Modes, WDT; No.