BUY MAX239CNG https://www.utsource.net/itm/p/11648377.html

Description: RS-232 Transceivers Features: Low-Power Shutdown Mode Reduces Supply Current to Less Than 1μA ±15kV ESD Protection on All Pins Operates From a Single 5V Supply Low Supply-Voltage Range: 3V to 5.5V Low-Power Consumption: 4.5mA Max Low-Voltage Transmit Outputs: 0.3V at 5mA High-Voltage Receive Inputs: 5V at 10mA True Fail-Safe Receiver Inputs Data Rates up to 250kbps Meets or Exceeds TIA/EIA-232E and V.28 Specifications Available in 24-Pin DIP and SO Packages Application: The MAX239CNG is a RS-232 transceiver used to interface between a microcontroller and an RS-232 port. It is used in applications such as modems, printers, and other serial communication devices. It is also used in industrial automation, medical equipment, and point-of-sale systems. (For reference only)