XR16M554D - Sipex Corporation

XR16M554D 1.62V To 3.63V Quad UART

The XR16M554 (M554) is a quad Universal Asynchronous Receiver and Transmitter (UART) with 16 bytes of transmit and receive FIFOs, selectable receive FIFO trigger levels and data rates of up to 4 Mbps at 3.3 V. Each UART has a set of registers that provide the user with operating status and control, receiver error indications, and modem serial interface contr.

Features

• Pin-to-pin compatible with ST16C454, ST16C554, TI’s TL16C554A and NXP’s SC16C554B
• Intel or Motorola Data Bus Interface select
• Four independent UART channels
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■ Register Set Compatible to 16C550 Data rates of up to 4 Mbps at 3.3 V, 3.125 Mbps at 2.5 V and 2 Mbps at 1.8 V 16 byte Transmit FIFO 16 byte Receive FIFO with error tags 4 Selectable RX FIFO Trigger Levels Full modem interface
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• 1.62V to 3.63V supply operation
• Crystal oscillator or external clock input APPLICATIONS
• Portable Appliances
• Telecommunication Network Routers
• Ethernet Network Routers
• Cellular Data.