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SN74CBTLV16800DGG 数据表(PDF) 1 Page - Texas Instruments |
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SN74CBTLV16800DGG 数据表(HTML) 1 Page - Texas Instruments |
1 / 6 page SN74CBTLV16800 LOW-VOLTAGE 20-BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS SCDS045F – DECEMBER 1997 – REVISED MAY 1999 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 5-Ω Switch Connection Between Two Ports D Isolation Under Power-Off Conditions D B-Port Outputs Are Precharged by Bias Voltage to Minimize Signal Distortion During Live Insertion D ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) D Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II D Package Options Include Plastic Thin Shrink Small-Outline (DGG), Thin Very Small-Outline (DGV), and 300-mil Shrink Small-Outline (DL) Packages NOTE: For tape and reel order entry: The DGGR package is abbreviated to GR, and the DGVR package is abbreviated to VR. description 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. 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 SN74CBTLV16800 is characterized for operation from –40 °C to 85°C. FUNCTION TABLE (each 10-bit bus switch) INPUT OE FUNCTION L A port = B port H A port = Z B port = BIASV 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. 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. 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 |
类似零件编号 - SN74CBTLV16800DGG |
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类似说明 - SN74CBTLV16800DGG |
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