SN75178B, SN75177B Datasheet - Texas Instruments

SN75178B DIFFERENTIAL BUS REPEATERS

SN75177B, SN75178B DIFFERENTIAL BUS REPEATERS Meets EIA Standards RS-422-A and RS-485 and CCITT Recommendations V.11 and X.27 Designed for Multipoint Transmission on Long Bus Lines in Noisy Environments 3-State Outputs Bus Voltage Range . . . 7 V to 12 V Positive and Negative Current Limiting Driver Output Capability . . . 60 mA Max Driver Thermal Shutdown Protection Receiver Input Impedance . . . 12 kΩ Mi.

SN75178B Features

* high input impedance, input hysteresis for increased noise immunity, and input sensitivity of ± 200 mV over a common-mode input voltage range of

* 7 V to 12 V. The driver features thermal shutdown for protection from line fault conditions. Thermal shutdown is designed to occur at a junction

SN75177B-etcTI.pdf