Buy - Attiny2313

: 1.8V to 5.5V (for low-voltage 'V' models) or 2.7V to 5.5V.

Two Timer/Counters (8-bit and 16-bit) with compare modes and PWM.

The following specifications are based on the ATtiny2313 Datasheet Summary :

: Available in 20-pin PDIP (through-hole) and 20-pin SOIC (surface mount) configurations. Where to Buy You can find the ATtiny2313

Programmable USART (Universal Synchronous/Asynchronous Receiver/Transmitter). On-chip Analog Comparator.

at various electronic component retailers. Pricing typically ranges from depending on the quantity and specific package type. ATtiny2313/V Datasheet Summary - Microchip Technology