X.
XR88C681 - CMOS DUAL CHANNEL UART
XR88C681 CMOS Dual Channel UART (DUART) FEATURES D Two Full Duplex, Independent Channels D Asynchronous Receiver and Transmitter D Quadruple-Buffered.Ei88C681 - DUAL UART
Semiconductor, Inc. Ei68C681 Ei88C681 DUAL UART DESCRIPTION The Epic Ei88C681/Ei68C681 DUART Dual Universal Asynchronous Receiver and Transmitter is .