XR16V554 Datasheet - Exar Corporation

XR16V554 - 2.25V TO 3.6V QUAD UART

The XR16V554 (V554) 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, .

XR16V554 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

XR16V554_ExarCorporation.pdf