Model:AT89C5121-ICSUL BRAND:Microchip description:IC MCU 8BIT 16KB FLSH RAM 24SSOP pack:Pipe fittings SERIES:89C status:Discontinued Core processor:80C51 Core specifications:8-bit Speed:16MHz Peripherals:LED,POR,WDT I/O number:14 Program storage capacity:16KB(16K x 8) Program memory type:Flash memory RAM EEPROM capacity:16K x 8 RAM size:256 x 8 Voltage - powered by:2.85V ~ 5.4V Data converter:- Oscillator type:bosom Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:24-SSOP(0.209",5.30mm width) Supplier device packaging:24-SSOP