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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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SN74CBTLV3257DR 데이터시트(PDF) 1 Page - Texas Instruments |
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SN74CBTLV3257DR 데이터시트(HTML) 1 Page - Texas Instruments |
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1 / 11 page  SN74CBTLV3257 LOW VOLTAGE 4BIT 1OF2 FET MULTIPLEXER/DEMULTIPLEXER SCDS040I − DECEMBER 1997 − REVISED OCTOBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 5-Ω Switch Connection Between Two Ports D Rail-to-Rail Switching on Data I/O Ports D Ioff Supports Partial-Power-Down Mode Operation D Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II D ESD Protection Exceeds JESD 22 − 2000-V Human-Body Model (A114-A) − 200-V Machine Model (A115-A) 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) RGY PACKAGE (TOP VIEW) 116 89 2 3 4 5 6 7 15 14 13 12 11 10 OE 4B1 4B2 4A 3B1 3B2 1B1 1B2 1A 2B1 2B2 2A description/ordering information 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. This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off. 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. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING QFN − RGY Tape and reel SN74CBTLV3257RGYR CL257 SOIC − D Tube SN74CBTLV3257D CBTLV3257 −40 °C to 85°C SOIC − D Tape and reel SN74CBTLV3257DR CBTLV3257 −40 °C to 85°C SSOP (QSOP) − DBQ Tape and reel SN74CBTLV3257DBQR CL257 TSSOP − PW Tape and reel SN74CBTLV3257PWR CL257 TVSOP − DGV Tape and reel SN74CBTLV3257DGVR CL257 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 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 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. |
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