ST16C550 - Exar Corporation

ST16C550 UART WITH 16-BYTE FIFO

The ST16C550 (550) is a universal asynchronous receiver and transmitter with 16 byte transmit and receive FIFO. It operates at 2.97 to 5.5 volts. A programmable baud rate generator can select transmit and receive clock rates from 50 bps to 1.5 Mbps. The ST16C550 is an improved version of the NS16C550 UART with higher operating speed and lower access time. Th.

Features

• Pin to pin and functionally compatible to the Industry Standard 16C550
• 2.97 to 5.5 volt operation
• 24MHz clock operation at 5V
• 16MHz clock operation at 3.3V
• 16 byte transmit FIFO
• 16 byte receive FIFO with error flags
• Full duplex operation
• Transmit and receive control
• Four selectable receive FIFO interrupt trigger levels
• Standard modem interface
• Compatible with ST16C450
• Low operating current ( 1.2mA typ.) ORDERING INFORMATION Part number ST16C550CP40 ST16C550CJ44 ST16C550CQ48 ST16C550IP40 ST16C550IJ44 ST16C550IQ48 Package 40-Lead PDIP 44-Lead PLCC 48-Lead TQFP 40-Lead.