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ST16C2552CJ +BOM

Serial I/O Controller, 2 Channel(s), 0.5MBps, CMOS, PQCC44, PLASTIC, LCC-44

Key Features

Added feature in devices with top marking "A2 YYWW" and newer:

5 Volt Tolerant Inputs

Pin-to-pin and functionally compatible to National PC16552 and Exars XR16L2752 and XR16C2852

4 Mbps transmit/receive operation (64 MHz External Clock Frequency)

2 Independent UART Channels

Register Set Compatible to 16C550

16 byte Transmit FIFO to reduce the bandwidth requirement of the external CPU

16 byte Receive FIFO with error tags to reduce the bandwidth requirement of the external CPU

4 selectable RX FIFO Trigger Levels

Fixed Transmit FIFO interrupt trigger level

Full Modem Interface (CTS#, RTS#, DSR#, DTR#, RI#, CD#)

DMA operation and DMA monitoring via TXRDY# and RXRDY# pins

UART internal register sections A & B may be written to concurrently

Multi-Function output allows more package functions with few I/O pins

Programmable character lengths (5, 6, 7, 8) with even, odd, or no parity

Crystal oscillator or external clock input

APPLICATIONS

Portable Appliances

Telecommunication Network Routers

Ethernet Network Routers

Cellular Data Devices

Factory Automation and Process Controls

Specifications

Product Category IC Chips

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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