XR88C681

CMOS DUAL CHANNEL UART (DUART)

GENERALDESCRIPTION TheEXARDualUniversalAsynchronousReceiverandTransmitter(DUART)isadatacommunicationsdevicethatprovidestwofullyindependentfullduplexasynchronouscommunicationchannelsinasinglepackage.TheDUARTisdesignedforuseinmicroprocessorbasedsystemsandmay

XR88C681

Dual UART CMOS with Two Fully Independent Full Duplex Asynchronous Communications Channels; ·Two Full Duplex Independent Channels·Asynchronous Receiver and Transmitter·Quad-Buffered Receivers, Dual-Buffered Transmitters·Programmable Stop Bits·Internal Bit Rate Generators·External Clock Capability·Advanced CMOS Low Power Technology·Available in 40-pin PDIP, 28-pin PDIP, and 44-pin PLCC Packages·Pb-Free, RoHS Compliant Versions Offered\n;

The EXAR Dual Universal Asynchronous Receiver and Transmitter (DUART) is a data communications device that provides two fully independent full duplex asynchronous communications channels in a single package. The XR88C681 is designed for use in microprocessor based systems and may be used in a polled or interrupt driven environment.\nThe XR88C681 device offers a single IC solution for the 8080/85, Z80, Z8000, 68xx, and 65xx microprocessor families.\nThe XR88C681 is fabricated using advanced two layer metal, with a high performance density EPI/CMOS 1.8µ process to provide high performance and low power consumption, and is available in 40-pin PDIP, 28-pin PDIP, and 44-pin PLCC packages.\nFor UART technical support or to obtain an IBIS model for this product, please email Exar's UART Technical Support group.\n

XR88C681

CMOS Dual Channel UART (DUART)

XR88C681

Two Full Duplex, Independent Channels

XR88C681CJ

CMOS DUAL CHANNEL UART (DUART)

GENERALDESCRIPTION TheEXARDualUniversalAsynchronousReceiverandTransmitter(DUART)isadatacommunicationsdevicethatprovidestwofullyindependentfullduplexasynchronouscommunicationchannelsinasinglepackage.TheDUARTisdesignedforuseinmicroprocessorbasedsystemsandmay

XR88C681CJ

CMOS DUAL CHANNEL UART (DUART)

GENERALDESCRIPTION TheEXARDualUniversalAsynchronousReceiverandTransmitter(DUART)isadatacommunicationsdevicethatprovidestwofullyindependentfullduplexasynchronouscommunicationchannelsinasinglepackage.TheDUARTisdesignedforuseinmicroprocessorbasedsystemsandmay

XR88C681CN

CMOS DUAL CHANNEL UART (DUART)

GENERALDESCRIPTION TheEXARDualUniversalAsynchronousReceiverandTransmitter(DUART)isadatacommunicationsdevicethatprovidestwofullyindependentfullduplexasynchronouscommunicationchannelsinasinglepackage.TheDUARTisdesignedforuseinmicroprocessorbasedsystemsandmay

XR88C681CN/40

CMOS DUAL CHANNEL UART (DUART)

GENERALDESCRIPTION TheEXARDualUniversalAsynchronousReceiverandTransmitter(DUART)isadatacommunicationsdevicethatprovidestwofullyindependentfullduplexasynchronouscommunicationchannelsinasinglepackage.TheDUARTisdesignedforuseinmicroprocessorbasedsystemsandmay

XR88C681CN40

CMOS DUAL CHANNEL UART (DUART)

GENERALDESCRIPTION TheEXARDualUniversalAsynchronousReceiverandTransmitter(DUART)isadatacommunicationsdevicethatprovidestwofullyindependentfullduplexasynchronouscommunicationchannelsinasinglepackage.TheDUARTisdesignedforuseinmicroprocessorbasedsystemsandmay

XR88C681CNSLASH40

CMOS DUAL CHANNEL UART (DUART)

GENERALDESCRIPTION TheEXARDualUniversalAsynchronousReceiverandTransmitter(DUART)isadatacommunicationsdevicethatprovidestwofullyindependentfullduplexasynchronouscommunicationchannelsinasinglepackage.TheDUARTisdesignedforuseinmicroprocessorbasedsystemsandmay