GeoPort(TM) Transceiver

The SN75LBC771 is a low-power LinBiCMOSTM 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 SN75LBC771 provides point-to-point connections 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 SN75LBC771 is powered off (VCC and VEE = 0), the outputs are in a high-impedance state. Also, when the shutdown (SHDN) terminal is high, all outputs go into a high-impedance state. A Logic high on the driver enable (DEN) terminal places the outputs of the differential driver 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 SN75LBC771 is characterized for operation over the 0C to 70C temperature range.
H = high level, L = low level, X = irrelevant, ? = indeterminate, Z = high impedance (off)
-0.2 V < VID < 0.2 V
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN75LBC771CDW Texas Instruments LINE TRANSCEIVER, PDSO20
SN75LBC771DWR Texas Instruments DUAL LINE TRANSCEIVER, PDSO20, GREEN, PLASTIC, SOIC-20
SN75LBC771NS Texas Instruments DUAL LINE TRANSCEIVER, PDSO20
SN75LBC771DW Texas Instruments GeoPort™ Transceiver 20-SOIC 0 to 70
SN75LBC771DWRG4 Texas Instruments DUAL LINE TRANSCEIVER, PDSO20
SN75LBC771DWG4 Texas Instruments GeoPort™ Transceiver 20-SOIC 0 to 70
SN75LBC771 's PackagesSN75LBC771 's pdf datasheet
SN75LBC771DW SOIC
SN75LBC771DWG4 SOIC




SN75LBC771 Pinout, Pinouts
SN75LBC771 pinout,Pin out
This is one package pinout of SN75LBC771,If you need more pinouts please download SN75LBC771's pdf datasheet.

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