Product Summary

The ST16C550IQ48-F is an 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 ST16C550IQ48-F is an improved version of the NS16C550 UART with higher operating speed and lower access time. The ST16C550IQ48-F on board status registers provides the error conditions, type and status of the transfer operation being performed. The device provides internal loop-back capability for on board diagnostic testing.

Parametrics

ST16C550IQ48-F absolute maximum ratings: (1)Supply range: 7 Volts; (2)Voltage at any pin: GND - 0.3 V to VCC +0.3 V; (3)Operating temperature: -40℃ to +85℃; (4)Storage temperature: -65℃ to 150℃; (5)Package dissipation: 500 mW.

Features

ST16C550IQ48-F features: (1)Pin to pin and functionally compatible to the Industry Standard 16C550; (2)2.97 to 5.5 volt operation; (3)24MHz clock operation at 5V; (4)16MHz clock operation at 3.3V; (5)16 byte transmit FIFO16 byte receive FIFO with error flags; (6)Full duplex operation; (7)Transmit and receive control; (8)Four selectable receive FIFO interrupt trigger levels; (9)Standard modem interface; (10)Compatible with ST16C450; (11)Low operating current ( 1.2mA typ.).

Diagrams

ST16C550IQ48-F block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
ST16C550IQ48-F
ST16C550IQ48-F

Exar

UART Interface IC 2.97V-5.5V 16B FIFO temp -45 to 85C;UART

Data Sheet

0-1: $2.66
1-25: $2.30
25-100: $1.94
100-250: $1.88
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