BUY DS14C89AN https://www.utsource.net/itm/p/74773.html
Quad CMOS Receiver
The DS14C89AN is a dual universal asynchronous receiver/transmitter (UART) with an integrated FIFO buffer. It is designed to provide a high-speed, low-power solution for serial communication. It is available in a 14-pin DIP (dual in-line package) and is manufactured by National Semiconductor. Features: Two independent UARTs Programmable baud rate up to 115.2K bps Programmable word length (5, 6, 7, 8 bits) Programmable stop bits (1, 1.5, 2) Programmable parity (odd, even, none) Programmable FIFO buffer size (8, 16, 32, 64 bytes) Programmable FIFO trigger level Programmable flow control Programmable interrupt generation On-chip oscillator Low power consumption Applications: Serial data communication Industrial automation Point-of-sale terminals Computer peripherals Printers Modems Networking (For reference only)