Model:ATTINY13-20SJ BRAND:Microchip description:IC MCU 8BIT 1KB FLASH 8SOIC pack:Pipe fittings SERIES:AVR? ATtiny status:Discontinued Core processor:AVR Core specifications:8-bit Speed:20MHz Peripherals:Undervoltage detection/reset,POR,PWM,WDT I/O number:6 Program storage capacity:1KB(512 x 16) Program memory type:Flash memory EEPROM capacity:64 x 8 RAM size:64 x 8 Voltage - powered by:2.7V ~ 5.5V Data converter:A/D 4x10b Oscillator type:bosom Operating temperature:-40°C ~ 85°C(TA) Type of installation:Surface mount type Encapsulation/Shell:8-SOIC(0.209",5.30mm width) Supplier device packaging:8-SOIC