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SN75ALS181 Fiches technique(PDF) 1 Page - Texas Instruments |
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SN75ALS181 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 14 page SN75ALS181 DIFFERENTIAL DRIVER AND RECEIVER PAIR SLLS152B – DECEMBER 1992 – REVISED APRIL 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Meets TIA/EIA-422-B, TIA/EIA-485-A, and CCITT Recommendations V.11 and X.27 D Low Supply-Current Requirements . . . 30 mA Max D Driver Output Capacity . . . ±60 mA D Thermal Shutdown Protection D Driver Common-Mode Output Voltage Range of –7 V to 12 V D Receiver Input Impedance . . . 12 kΩ Min D Receiver Input Sensitivity . . . ±200 mV D Receiver Input Hysteresis . . . 60 mV Typ D Receiver Common-Mode Input Voltage Range of ±12 V D Operates From Single 5-V Supply D Glitch-Free Power-Up and Power-Down Protection description/ordering information The SN75ALS181 is a differential driver and receiver pair designed for bidirectional data communication on multipoint bus transmission lines. The design provides for balanced transmission lines and meets TIA/EIA-422-B and TIA/EIA-485-A, and CCITT recommendations V.10, V.11, X.26, and X.27. The SN75ALS181 combines a 3-state differential line driver and a differential-input line receiver that operate from a single 5-V power supply. The driver and receiver have active-high and active-low enables, respectively, that can be connected together externally to function as a direction control. The driver differential outputs and the receiver differential inputs are connected to separate pins for greater flexibility and are designed to offer minimum loading to the bus when the driver is disabled or VCC = 0. These ports feature wide positive and negative common-mode voltage changes, making the device suitable for party-line applications. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING 0 °Cto70°C PDIP (N) Tube of 25 SN75ALS181N SN75ALS181N 0 °C to 70°C SOP (NS) Reel of 2000 SN75ALS181NSR 75ALS181 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2003, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 1 2 3 4 5 6 7 14 13 12 11 10 9 8 NC R RE DE D GND GND VCC VCC A B Z Y NC N OR NS PACKAGE (TOP VIEW) NC – No internal connection |
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