Specifications:

Core Processor: AVR
Core Size: 8-Bit
Speed: 10MHz
Connectivity: SPI, UART/USART
Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O: 15
Program Memory Size: 2KB (1K x 16)
Program Memory Type: FLASH
EEPROM Size: 128 x 8
RAM Size: 128 x 8
Voltage - Supply (Vcc/Vdd): 4V ~ 6V
Data Converters: -
Oscillator Type: External
Operating Temperature: 0°C ~ 70°C (TA)
Mounting Type: Through Hole
Package / Case: 20-DIP (0.300", 7.62mm)
Supplier Device Package: 20-PDIP
Base Product Number: AT90S2313