Atmel Ic Selection

Projects General Guidance
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Hello there.
I have a small Arduino project designed for reading temperature. It uses two seven segment displays and a thermistor. Code for the project is already designed and only factor which is affecting the project is selecting the IC. I am focusing on mass production and low price. I want a suitable micro controller IC of low cost.
I came across ATtiny 2313 but it is not having analog input pin. One of the similar post in Arduino community had a suggestion of using ATtiny 1634 but I am unable to find the specifications of that IC. Can any one help me in finding appropriate microcontroller IC?

Project Description:
Digital Output Pins required: 10
Analog Input Pins required: 1
Program size: 9556 bytes

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One of the similar post in Arduino community had a suggestion of using ATtiny 1634 but I am unable to find the specifications of that IC.

Seriously? Attiny1634 datasheet

If you end up using a Tiny, you'll need this core to program it: ATTinyCore

If you're buying small quantities on the secondary market, you'll probably find the ATmega168 and 328 to be the best choices, price wise. If buying from premier distribution, the Tiny parts will cost less.