XR-1489A

XR-1488/1489A Quad Line Driver/Receiver GENERAL DESCRIPTION The XR-1488 is a monolithic quad line driver designed to interface data terminal equipment with data communications equipment in conformance with the specifications of EIA Standard No. RS232C. This extremely versatile integrated circuit can be used to perform a wide range of applications. Features such as output current limiting, independent positive and negative power supply driving elements, and compatibility with all DTL and TIL logic families greatly enhance the versatility of the circuit. The XR-1489A is a monolithic quad line receiver designed to interface data terminal equipment with data communications equipment. the XR-1489A quad receiver along with its companion circuit, the XR-1488 quad driver, provide a complete interface system between DTL or TIL logic levels and the RS232C defined voltage and impedance levels. FUNCTIONAL BLOCK DIAGRAMS ABSOLUTE MAXIMUM RATINGS Power Supply XR-1488 XR-1489A Power Dissipation C...