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ST75C176C Datasheet(PDF) 1 Page - STMicroelectronics |
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ST75C176C Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 17 page  November 2007 Rev 4 1/17 17 ST75C176B ST75C176C Low power RS-485/RS-422 transceiver Features ■ Low quiescent current: 300 mA ■ Designed for RS-485 interface applications ■ -7 V to 12 V common mode input voltage range ■ Driver maintains high impedance in 3-state or with the power OFF ■ 70 mV typical input hysteresis ■ 30 ns propagation delays, 5 ns skew ■ Operate from a single 5 V supply ■ Current limiting and thermal shutdown for driver overload protection ■ Allows up to 32 transceivers on the bus ■ BiCMOS technology Description The ST75C176B/C is al low power transceiver for RS-485 and RS-422 communication. Each part contains one driver and one receiver. This transceiver draw 300 mA (typ.) of supply current when unloaded or fully loaded with disabled drivers. It operates from a single 5 V supply. Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that placed the driver outputs into a high-impedance state. The receiver input has a fail safe feature that guarantees a logic-high output if the input is open circuit. The ST75C176B/C is designed for bidirectional data communications on multipoint bus transmission line (half-duplex applications). DIP-8 Table 1. Device summary Order code Temperature range Package Packaging ST75C176CN 0 to 70 °C DIP-8 50parts per tube / 40tube per box ST75C176BN -40 to 85 °C DIP-8 50parts per tube / 40tube per box www.st.com Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) |
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