ST16C554D Datasheet - Exar Corporation

ST16C554D, 2.97V TO 5.5V QUAD UART

ST16C554/554D 2.97V TO 5.5V QUAD UART WITH 16-BYTE FIFO JUNE 2006 REV.
4.0.1 GENERAL DESCRIPTION The ST16C554/554D (554) is a quad Universal Asynch

Features

* Pin-to-pin compatible with the industry standard ST16C454, ST68C454, ST68C554, TI’s TL16C554A and Philips’ SC16C554B
* Intel or Motorola Data Bus Interface select
* Four independent UART channels
* Register Set Compatible to 16C550
* Data rates of up to 1.5 Mbps at

Applications

* Portable Appliances
* Telecommunication Network Routers
* Ethernet Network Routers
* Cellular Data Devices
* Factory Automation and Process Controls FIGURE 1. ST16C554 BLOCK DIAGRAM A2:A0 D7:D0 IOR# IOW# CSA# CSB# CSC# CSD# INTA INTB INTC INTD TXRDY#A-D RX

ST16C554D-ExarCorporation.pdf