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SN74LVC257ADR Datasheet(PDF) 1 Page - Texas Instruments |
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SN74LVC257ADR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 15 page SN54LVC257A, SN74LVC257A QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS WITH 3STATE OUTPUTS SCAS294N − JANUARY 1993 − REVISED OCTOBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Operate From 1.65 V to 3.6 V D Inputs Accept Voltages to 5.5 V D Max tpd of 4.6 ns at 3.3 V D Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C D Typical VOHV (Output VOH Undershoot) >2 V at VCC = 3.3 V, TA = 25°C D Latch-Up Performance Exceeds 250 mA Per JESD 17 D ESD Protection Exceeds JESD 22 − 2000-V Human-Body Model (A114-A) − 200-V Machine Model (A115-A) SN74LVC257A . . . RGY PACKAGE (TOP VIEW) 116 89 2 3 4 5 6 7 15 14 13 12 11 10 OE 4A 4B 4Y 3A 3B 1A 1B 1Y 2A 2B 2Y 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 A/B 1A 1B 1Y 2A 2B 2Y GND VCC OE 4A 4B 4Y 3A 3B 3Y SN54LVC257A ...J OR W PACKAGE SN74LVC257A . . . D, DB, NS, OR PW PACKAGE (TOP VIEW) 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 4A 4B NC 4Y 3A SN54LVC257A . . . FK PACKAGE (TOP VIEW) NC − No internal connection 1B 1Y NC 2A 2B description/ordering information These quadruple 2-line to 1-line data selectors/multiplexers are designed for 1.65-V to 3.6-V VCC operation. The ’LVC257A devices are designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems. The 3-state outputs do not load the data lines when the output-enable (OE) input is at a high logic level. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING QFN − RGY Reel of 1000 SN74LVC257ARGYR LC257A Tube of 40 SN74LVC257AD SOIC − D Reel of 2500 SN74LVC257ADR LVC257A SOIC − D Reel of 250 SN74LVC257ADT LVC257A −40 °C to 85°C SOP − NS Reel of 2000 SN74LVC257ANSR LVC257A −40 C to 85 C SSOP − DB Reel of 2000 SN74LVC257ADBR LC257A Tube of 90 SN74LVC257APW TSSOP − PW Reel of 2000 SN74LVC257APWR LC257A TSSOP − PW Reel of 250 SN74LVC257APWT LC257A CDIP − J Tube of 25 SNJ54LVC257AJ SNJ54LVC257AJ −55 °C to 125°C CFP − W Tube of 150 SNJ54LVC257AW SNJ54LVC257AW −55 C to 125 C LCCC − FK Tube of 55 SNJ54LVC257AFK SNJ54LVC257AFK † 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. On products compliant to MILPRF38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. |
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