The SN75LBC176D is a differential Bus Transceiver a monolithic integrated circuit for bidirectional data communication on multipoint bus-transmission lines. The device is designed for balanced transmission lines and meets ANSI Standard TIA/EIA-485-A (RS-485) and ISO 8482:1987 (E). The device combines a 3-state, differential line driver and a differential input line receiver, both of which operate from a single 5V power supply. The driver and receiver have active-high and active-low enables, respectively, which can externally connect together to function as a direction control. The driver differential outputs and the receiver differential inputs connect internally to form a differential input/output (I/O) bus port that is designed to offer minimum loading to the bus whenever the driver is disabled or VCC = 0. This port features wide positive and negative common-mode voltage ranges, making the device suitable for party-line applications.
● Bidirectional transceiver
● Meets or exceeds the requirements of ANSI standard TIA/EIA.485.A and ISO 8482:1987(E)
● High-speed low-power LinBiCMOS™ circuitry
● Designed for high-speed operation in both serial and parallel applications
● Low skew
● Designed for multipoint transmission on long bus lines in noisy environments
● 200µA Very low disabled supply current
● Wide positive and negative Input/output bus voltage ranges
● Thermal-shutdown protection
● Driver positive-and negative-current limiting
● Open-circuit failsafe receiver design
● ±200mV Receiver input sensitivity
● 50mV Receiver input hysteresis
● Glitch-free power-up and power-down protection
● Green product and no Sb/Br
