Meet or Exceed the Requirements of ANSI

Standards TIA/EIA-422-B and TIA/EIA-485-A

and ITU Recommendations V.10 and V.11

Designed for Multipoint Bus Transmission

on Long Bus Lines in Noise Environments

Driver Positive- and Negative-Current

Limiting

Thermal Shutdown Protection

Driver 3-State Outputs

Receiver Common-Mode Input Voltage

Range of –12 V to 12 V

Receiver Input Sensitivity... ±200 mV

Receiver Hysteresis . . . 50 mV Typ

Receiver Input Impedance . . . 12 kΩ Min

Receiver 3-State Outputs (SN751177 Only)

Operate From Single 5-V Supply

 

 

 

 

**注意 & Noted:

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