Description
www.DataSheet4U.com MAY 2007 XR16V554/554D 2.25V TO 3.6V QUAD UART WITH 16-BYTE FIFO REV.1.0.1 GENERAL .
The XR16V554 (V554) is a quad Universal Asynchronous Receiver and Transmitter (UART) with 16 bytes of transmit and receive FIFOs, selectable receive F.
Features
* Pin-to-pin compatible with ST16C454, ST16C554,
TI’s TL16C554A and Philip’s SC16C554B
* Intel or Motorola Data Bus Interface select
* Four independent UART channels
* Register Set Compatible to 16C550 Data rates of up to 4 Mbps at 3.3 V and 3.125 Mbps at 2.5 V 1
Applications
* Portable Appliances
* Telecommunication Network Routers
* Ethernet Network Routers
* Cellular Data Devices
* Factory Automation and Process Controls
FIGURE 1. XR16V554 BLOCK DIAGRAM
* 5 Volt Tolerant Inputs ( Except XTAL1 input) UART Channel A UART 16 B
