SN75LBC773 Selling Leads, Price trend, SN75LBC773 DataSheet download, circuit diagram from SeekIC.com

Features: · Supports a 9-Pin GeoPort™Host Interface Standard for the Intelligent Network Port· Designed to Operate up to 4-Mbit/s Full Duplex·±5 V Supply Operation· Has Driver Short-Circuit Protection· Includes Failsafe Mechanism for Open Inputs· Is Backward Compatible with AppleTalk™ ...

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SeekIC No. : 004499746 Detail

SN75LBC773: Features: · Supports a 9-Pin GeoPort™Host Interface Standard for the Intelligent Network Port· Designed to Operate up to 4-Mbit/s Full Duplex·±5 V Supply Operation· Has Driver Short-Circuit Pr...

SN75LBC773 Data Sheet

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Part Number:: SN75LBC773
Supply Ability:: 5000

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1~5000

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Upload time: 2025/12/24

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Product Details

Description

Features:

· Supports a 9-Pin GeoPort™Host Interface
    Standard for the Intelligent Network Port
· Designed to Operate up to 4-Mbit/s Full
    Duplex
·±5 V Supply Operation
· Has Driver Short-Circuit Protection
· Includes Failsafe Mechanism for Open
    Inputs
· Is Backward Compatible with AppleTalk™
    and LocalTalkE
· Combines Multiple Components into a
Single Chip Solution
· Complements the SN75LBC772 9-Pin
    GeoPort Peripheral (DCE) Interface Device
· Uses LinBiCMOS™ Process Technology

Pinout

Connection Diagram

Specifications

Positive supply voltage range, V_CC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 0.5 to 7 V
Negative supply voltage range, V_EE (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 7 to 0.5 V
Receiver input voltage range (RA, RB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V to 15
Receiver differential input voltage range, V_ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 V to 12 V
Receiver output voltage range (RY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 5.5 V
Driver output voltage range (Power Off) (DY1, DY2, DZ2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V to 15 V
Driver output voltage range (Power On) (DY1, DY2, DZ2) . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . 11 V to 11 V
Driver input voltage range (DA, REN, DEN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 0.5 V to VCC +0.4 V
Electrostatic Discharge (All pins) Human Body Model (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 kV
Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . See Dissipation Rating Table
Operating free-air temperature range, T_A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
§ Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. All voltage values are with respect to network ground terminal unless otherwise noted.
2. This rating is per MIL-PRF-38535, Method 3015.7.

Description

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 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 SN75LBC773 is powered off (V_CC and V_EE = 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 0°C to 70°C temperature range.

SN75LBC773

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