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SN75ALS181NS
SN75ALS181 DIFFERENTIAL DRIVER AND RECEIVER PAIR SLLS152A – DECEMBER 1992 – REVISED JUNE 1998 D D D D D D D D D D D Meets TIA/EIA-422-B, TIA/EIA-485-A, and CCITT Recommendations V.11 and X.27 Low Supply-Current Requirements 30 mA Max Driver Output Capacity . . . ± 60 mA Thermal Shutdown Protection Driver Common-Mode Output Voltage Range of – 7 V to 12 V Receiver Input Impedance . . . 12 kΩ Min Receiver Input Sensitivity . . . ± 200 mV Receiver Input Hysteresis . . . 60 mV Typ Receiver Common-Mode Input Voltage Range of ± 12 V Operates From Single 5-V Supply Glitch-Free Power-Up and Power-Down Protection N OR NS† PACKAGE (TOP VIEW) NC R RE DE D GND GND 1 14 2 13 3 12 4 11 5 10 6 9 7 8 VCC VCC A B Z Y NC NC – No internal connection † The NS package is only available in left-end taped and reeled (order device SN75ALS181NSLE). description 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 externally connected together 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. The SN75ALS181 is characterized for operation from 0°C to 70°C. 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. Copyright © 1998, 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. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1
TI
Texas Instruments Incorporated
U.S.A
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