Model:AT87F55WD-24PI BRAND:Microchip description:IC MCU 8BIT 20KB FLASH 40DIP pack:Pipe fittings SERIES:87F status:Discontinued Core processor:8051 Core specifications:8-bit Speed:24MHz Peripherals:WDT I/O number:32 Program storage capacity:20KB(20K x 8) Program memory type:OTP 快速Flash memory EEPROM capacity:- RAM size:256 x 8 Voltage - powered by:4V ~ 5.5V Data converter:- Oscillator type:bosom Operating temperature:-40°C ~ 85°C Type of installation:通孔 Encapsulation/Shell:40-DIP(0.600",15.24mm) Supplier device packaging:40-PDIP