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6LB176 Datasheet(PDF) 2 Page - Texas Instruments |
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6LB176 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 22 page SN55LBC176, SN65LBC176, SN65LBC176Q, SN75LBC176 DIFFERENTIAL BUS TRANSCEIVERS SLLS067G − AUGUST 1990 − REVISED APRIL 2006 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description (continued) The SN55LBC176, SN65LBC176, SN65LBC176Q, and SN75LBC176 combine a 3-state, differential line driver and a differential input line receiver, both of which operate from a single 5-V 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. Very low device supply current can be achieved by disabling the driver and the receiver. These transceivers are suitable for ANSI Standard TIA/EIA−485 (RS-485) and ISO 8482 applications to the extent that they are specified in the operating conditions and characteristics section of this data sheet. Certain limits contained in TIA/EIA−485−A and ISO 8482:1987 (E) are not met or cannot be tested over the entire military temperature range. The SN55LBC176 is characterized for operation from −55 °C to 125°C. The SN65LBC176 is characterized for operation from −40 °C to 85°C, and the SN65LBC176Q is characterized for operation from −40°C to 125°C. The SN75LBC176 is characterized for operation from 0 °C to 70°C. logic symbol† logic diagram (positive logic) 2 EN1 B A 1 4 2 R D RE 7 6 D RE R 7 6 4 1 2 B A Bus 3 EN2 1 1 DE 3 DE † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. AVAILABLE OPTIONS TA PACKAGE PART NUMBER PART MARKING 0 °C to 70°C SOP SN75LBC176D 7LB176 0 °C to 70°C PDIP SN75LBC176P 75LBC176 −40 °C to 85°C SOP SN65LBC176D 6LB176 −40 °C to 85°C PDIP SN65LBC176P 65LBC176 −40 °C to 110°C SOP SN65LBC176QD LB176Q −40 °C to 110°C SOP SN65LBC176QDR LB176Q −55 °C to 125°C LCCC SNJ55LBC176FK SNJ55LBC176FK −55 °C to 125°C CDIP SNJ55LBC176JG SNJ55LBC176 |
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