GEOPORTE TRANSCEIVER

The SN75LBC773 is a low-power LinBiCMOS device that incorporates the drivers and receivers for a 9-pin GeoPort host Interface GeoPort combines hybrid EIA/TIA-422-B and EIA/ TIA-423-B drivers and receivers to transmit data up to four-Mbit/s full duplex. GeoPort is a serial Communications standard that is intended to replace the RS-232 AppleTalk, and printer ports all in one connector in addition to providing real-time data transfer capability. The SN75LBC773 provides point-to-point connec- tions between GeoPort-compatible devices with data transmission rates up to 4-Mbit/s full duplex featuring a hot-plug capability. Applications include connection to telephone, ISDN, digital sound and imaging, fax-data modems, and other traditional serial and parallel connections. The GeoPort is backwardly compatible to both LocalTalk and AppleTalk. While the SN75LBC773 is powered off (VCC and VEE = 0), the outputs are in a high-impedance state. A Logic high on the driver enable (DEN) or Logic low on the receive enable (REN) terminals places the outputs of the differential driver and receivers, respectively, into a high-impedance state. All drivers and receivers have fail-safe mechanisms that ensure a high output state when the inputs are left open. The SN75LBC773 is characterized for operation over the 0C to 70C temperature range By Texas Instruments
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SN75LBC773 Pinout, Pinouts
SN75LBC773 pinout,Pin out
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