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SN74CBTLV16800DLR датащи(PDF) 1 Page - Texas Instruments |
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SN74CBTLV16800DLR датащи(HTML) 1 Page - Texas Instruments |
1 / 12 page www.ti.com FEATURES DESCRIPTION/ORDERING INFORMATION DGG, DGV, OR DL PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 BIASV 1A1 1A2 1A3 1A4 1A5 1A6 GND 1A7 1A8 1A9 1A10 2A1 2A2 VCC 2A3 GND 2A4 2A5 2A6 2A7 2A8 2A9 2A10 1OE 2OE 1B1 1B2 1B3 1B4 1B5 GND 1B6 1B7 1B8 1B9 1B10 2B1 2B2 2B3 GND 2B4 2B5 2B6 2B7 2B8 2B9 2B10 SN74CBTLV16800 LOW-VOLTAGE 20-BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS SCDS045J – DECEMBER 1997 – REVISED MARCH 2005 • Member of the Texas Instruments Widebus™ Family • 5- Ω Switch Connection Between Two Ports • Rail-to-Rail Switching on Data I/O Ports • Ioff Supports Partial-Power-Down Mode Operation • B-Port Outputs Are Precharged by Bias Voltage to Minimize Signal Distortion During Live Insertion • 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) The SN74CBTLV16800 provides 20 bits of high-speed bus switching. The low on-state resistance of the switch allows connections to be made with minimal propagation delay. The device also precharges the B port to a user-selectable bias voltage (BIASV) to minimize live-insertion noise. The device is organized as dual 10-bit bus switches with separate output-enable (OE) inputs. It can be used as two 10-bit bus switches or one 20-bit bus switch. When OE is low, the associated 10-bit bus switch is on, and port A is connected to port B. When OE is high, the switch is open, the high-impedance state exists between the two ports, and port B is precharged to BIASV through the equivalent of a 10-k Ω resistor. <br/> This device is fully specified for partial-power-down applications using I off. 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 V CC 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) ORDERABLE PART NUMBER TOP-SIDE MARKING Tube SN74CBTLV16800DL SSOP – DL CBTLV16800 Tape and reel SN74CBTLV16800DLR –40 °C to 85°C TSSOP – DGG Tape and reel SN74CBTLV16800GR CBTLV16800 TVSOP – DGV Tape and reel SN74CBTLV16800VR CN800 (1) 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. Widebus is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 1997–2005, 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. |
Аналогичный номер детали - SN74CBTLV16800DLR |
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Аналогичное описание - SN74CBTLV16800DLR |
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