SN75ALS1178 Overview
The SN75ALS1177 and SN75ALS1178 dual differential drivers and receivers are integrated circuits designed for bidirectional data munication on multipoint bus transmission lines. The devices are designed for balanced transmission lines, and meet standards TIA/EIA-422-B and TIA/EIA-485-A. The SN75ALS1177 bines dual 3-state differential line drivers and dual 3-state differential input line receivers, both of which...
SN75ALS1178 Key Features
- 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 50mA maximum
- Driver positive-and negative-current limiting
- 7V to 12V
- Thermal shutdown protection driver 3-state outputs
- 12V to 12V
- Receiver input sensitivity: ±200mV
- Receiver hysteresis: 50mV typical
- Receiver high input impedance: 12kΩ minimum