XR16V2551 Datasheet | Exar

.. JUNE 2006 PRELIMINARY REV. P1.0.0 HIGH PERFORMANCE DUART WITH 16-BYTE FIFO AND POWERSAVE FEATURE GENERAL DESCRIPTION The XR16V25511 (V2551) is a high performance dual universal asynchronous receiver and transmitter (UART) with 16 byte TX and RX FIFOs. The device operates from 2.25 to 3.6 volts with 5 Volt tolerant inputs and is pin-to-pin patible to Exar’s XR16V2651 and XR16L2551. The device includes 2 additional capabilities over the XR16V2550: Intel and Motorola data bus selection and a “PowerSave” mode to further reduce sleep current to a minimum during sleep mode. It supports Exar’s enhanced Features of selectable FIFO trigger level, automatic...