Atmel ATTINY13A-PU is AVR TINY series 8 pin DIP microcontroller, packed with high performance, low power 8 bit Advanced RISC Architecture. Its operational Voltage limit is 1.8V to 5.5V. It has 20 MHz CPU Clock, 6 general purpose I/O lines, 1KB ISP flash memory, 64B EEPROM, 60-Byte RAM. It has 1 timer, 2 PWM Channel, 4 Channel ADC inputs and a Watchdog. Operational Temperature range of this microcontroller is -40 to 85 degree C. Internal clock and ISP programming support by SPI protocol. Being small in size and DIP, it is particularly suitable for bread board applications and prototype development. 

Specifications of ATtiny13A Microcontroller:-

•  Controller Family/Series: ATtiny
  
•  Program Memory Size: 1KB
  
•  RAM Memory Size: 60Byte
  
•  CPU Speed: 20MHz
  
•  No. of I/O's: 6
  
•  MCU Case Style: DIP
  
•  No. of Pins: 8
  
•  Supply Voltage Min: 1.8V
  
•  Supply Voltage Max: 5.5V
  
•  Packaging: Each
  
•  SVHC: No SVHC (16-Jun-2014)
  
•  EEPROM Memory Size: 64Byte
  
•  Flash Memory Size: 1KB
  
•  Logic Function Number: 13
  
•  MPU Core Size: 8bit
  
•  No. of ADC Inputs: 4
  
•  No. of PWM Channels: 2
  
•  No. of Timers: 1
  
•  Operating Temperature Range: -40°C to +85°C
  
•  Oscillator Type: External, Internal
  
•  Peripherals: ADC, Comparator
  
•  Program Memory Size: 1KB
  
•  Supply Voltage Range: 1.8V to 5.5V
  
•  Termination Type: Through Hole