MAX232 Multichannel RS-232 Driver

This chip is commonly used to adapt a TTL level signals (high=5v , low=0v) to a RS232 level (high=-12V low=+12v). RS232 level is used in serial COM ports, it can be sent over long wires reliably than the TTL level signals which is mainly user for short range communication.

For More information check out this article

• http://extremeelectronics.co.in/avr-tutorials/rs232-communication-the-level-conversion/

Manufacturer Datasheet

• Download Datasheet of MAX232 (Form Manufacturer's Website)