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XR16C854D Datasheet 2.97V TO 5.5V QUAD UART

Manufacturer: Exar (now MaxLinear)

Download the XR16C854D datasheet PDF. This datasheet also includes the XR16C854 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (XR16C854_ExarCorporation.pdf) that lists specifications for multiple related part numbers.

General Description

The XR16C854/854D1 (854) is an enhanced quad Universal Asynchronous Receiver and Transmitter (UART) each with 128 bytes of transmit and receive FIFOs, transmit and receive FIFO counters and trigger levels, automatic hardware and software flow control, and data rates of up to 2 Mbps.

Each UART has a set of registers that provide the user with operating status and control, receiver error indications, and modem serial interface controls.

System interrupts may be tailored to meet design requirements.

Overview

XR16C854/854D 2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO APRIL 2013 REV.

3.1.

Key Features

  • Added feature in devices with top mark date code of "F2 YYWW" and newer: s 5 volt tolerant inputs.
  • 2.97 to 5.5 Volt Operation.
  • Pin-to-pin compatible with the industry standard ST16C554 and ST16C654 and TI’s TL16C554N and TL16C754BFN.
  • Intel or Motorola Data Bus Interface select.
  • Four independent UART channels s Register Set Compatible to 16C550 s Data rates of up to 2 Mbps s Transmit and Receive FIFOs of 128 bytes s Programmable TX and RX FIFO Trigger Levels s.