Datenblatt-Suchmaschine für elektronische Bauteile |
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SN74CBTLV3257DR Datenblatt(PDF) 1 Page - Texas Instruments |
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SN74CBTLV3257DR Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 23 page 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 1A 1B2 1B1 SEL 3A 3B2 2B1 2A 3 2 1 4 VCC 5 OEB 6 16 7 15 9 10 1 1 12 13 8 14 2B2 GND 1 16 8 9 2 3 4 5 6 7 15 14 13 12 11 10 OE 4B1 4B2 4A 3B1 3B2 1B1 1B2 1A 2B1 2B2 2A SN74CBTLV3257 www.ti.com SCDS040J – DECEMBER 1997 – REVISED JANUARY 2013 Low-Voltage 4-Bit 1-of-2 FET Multiplexer/Demultiplexer Check for Samples: SN74CBTLV3257 1 FEATURES RGY PACKAGE • 5- Ω Switch Connection Between Two Ports (TOP VIEW) • Rail-to-Rail Switching on Data I/O Ports • Ioff Supports Partial-Power-Down Mode Operation • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II • ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) D, DBQ, DGV, OR PW PACKAGE RSV PACKAGE (TOP VIEW) (TOP VIEW) 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. 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(1) (2) ORDERABLE PART NUMBER TOP-SIDE MARKING QFN – RSV Reel of 3000 SN74CBTLV3257RSVR ZTR QFN – RGY Reel of 3000 SN74CBTLV3257RGYR CL257 Tube of 40 SN74CBTLV3257D SOIC – D CBTLV3257 –40°C to 85°C Reel of 2500 SN74CBTLV3257DR SSOP (QSOP) – DBQ Reel of 2500 SN74CBTLV3257DBQR CL257 TSSOP – PW Reel of 2000 SN74CBTLV3257PWR CL257 TVSOP – DGV Reel of 2000 SN74CBTLV3257DGVR CL257 (1) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging. (2) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website at www.ti.com. 1 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. PRODUCTION DATA information is current as of publication date. Copyright © 1997–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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