SN75ALS1177, 75ALS1177, DUAL DIFFERENTIAL DRIVERS AND RECEIVERS
Meet or Exceed Standards TIA/EIA-422-B
and TIA/EIA-485-A
Designed for Multipoint Bus Transmission
on Long Bus Lines in Noisy Environments
Low Supply-Current Requirement
50 mA Max
Driver Positive- and Negative-Current
Limiting
Driver Common-Mode Output Voltage
Range of –7 V to 12 V
Thermal Shutdown Protection
Driver 3-State Outputs Active-High Enable
Receiver Common-Mode Input Voltage
Range of –12 V to 12 V
Receiver Input Sensitivity . . . ±200 mV
Receiver Hysteresis . . . 50 mV Typ
Receiver High Input
Impedance . . . 12 kΩ Min
Receiver 3-State Outputs Active-Low
Enable for SN75ALS1177 Only
Operate From Singl
