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SN74CBTLV3257PW データシート(PDF) 1 Page - Texas Instruments |
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SN74CBTLV3257PW データシート(HTML) 1 Page - Texas Instruments |
1 / 6 page SN74CBTLV3257 LOW-VOLTAGE 4-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER SCDS040D – DECEMBER 1997 – REVISED NOVEMBER 1999 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Functionally Equivalent to QS3257 D 5-Ω Switch Connection Between Two Ports D Isolation Under Power-Off Conditions D ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) D Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II D Package Options Include Thin Very Small-Outline (DGV), Small-Outline (D), Shrink Small-Outline (DBQ), and Thin Shrink Small-Outline (PW) Packages description The SN74CBTLV3257 is a 4-bit 1-of-2 high-speed FET multiplexer/demultiplexer. The low on-state resistance of the switch allows connections to be made with minimal propagation delay. The select (S) input controls the data flow. The FET multiplexers/demultiplexers are disabled when the output-enable (OE) input is high. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. The SN74CBTLV3257 is characterized for operation from –40 °C to 85°C. FUNCTION TABLE INPUTS FUNCTION OE S FUNCTION L L A port = B1 port L H A port = B2 port H X Disconnect 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 8 16 15 14 13 12 11 10 9 S 1B1 1B2 1A 2B1 2B2 2A GND VCC OE 4B1 4B2 4A 3B1 3B2 3A D, DBQ, DGV, OR PW PACKAGE (TOP VIEW) Copyright © 1999, 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. |
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同様の説明 - SN74CBTLV3257PW |
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