Specifications:

Series: ATtiny2313
Mounting Style: SMD/SMT
Package/Case: SOIC-20
Core: AVR
Program Memory Size: 2 kB
Data Bus Width: 8 bit
ADC Resolution: No ADC
Maximum Clock Frequency: 20 MHz
Number of I/Os: 18 I/O
Data RAM Size: 128 B
Supply Voltage - Min: 2.7 V
Supply Voltage - Max: 5.5 V
Minimum Operating Temperature: - 40 C
Maximum Operating Temperature: 85 C
Data RAM Type: SRAM
Data ROM Size: 128 B
Data ROM Type: EEPROM
Height: 2.35 mm
Interface Type: SPI, UART, USI
Length: 13 mm
Moisture Sensitive: Yes
Number of Timers/Counters: 2 Timer
Processor Series: tinyAVR
Product: MCU
Product Type: 8-bit Microcontrollers - MCU
Program Memory Type: Flash
Tradename: AVR
Width: 7.6 mm
Unit Weight: 480 mg