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SN74ABT16825 Scheda tecnica(PDF) 1 Page - Texas Instruments |
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SN74ABT16825 Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 10 page SN54ABT16825, SN74ABT16825 18-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS218D – JUNE 1992 – REVISED OCTOBER 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Members of Texas Instruments’ Widebus™ Family D Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD 17 D Typical VOLP (Output Ground Bounce) <1 V at VCC = 5 V, TA = 25°C D High-Impedance State During Power Up and Power Down D Distributed VCC and GND Pins Minimize High-Speed Switching Noise D Flow-Through Architecture Optimizes PCB Layout D High-Drive Outputs (–32-mA IOH, 64-mA IOL) description The ’ABT16825 devices are 18-bit buffers and line drivers designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. These devices can be used as two 9-bit buffers or one 18-bit buffer. They provide true data. The 3-state control gate is a 2-input AND gate with active-low inputs so that, if either output-enable (OE1 or OE2) input is high, all nine affected outputs are in the high-impedance state. When VCC is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 2.1 V, 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 40 °Cto85°C SSOP DL Tube SN74ABT16825DL ABT16825 –40 °C to 85°C SSOP – DL Tape and reel SN74ABT16825DLR ABT16825 –55 °C to 125°C CFP–WD Tube SNJ54ABT16825WD SNJ54ABT16825WD † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright © 2000, Texas Instruments Incorporated UNLESS OTHERWISE NOTED this document contains PRODUCTION DATA information 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. Widebus is a trademark of Texas Instruments. SN54ABT16825 . . . WD PACKAGE SN74ABT16825 ... 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 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 1OE1 1Y1 1Y2 GND 1Y3 1Y4 VCC 1Y5 1Y6 1Y7 GND 1Y8 1Y9 GND GND 2Y1 2Y2 GND 2Y3 2Y4 2Y5 VCC 2Y6 2Y7 GND 2Y8 2Y9 2OE1 1OE2 1A1 1A2 GND 1A3 1A4 VCC 1A5 1A6 1A7 GND 1A8 1A9 GND GND 2A1 2A2 GND 2A3 2A4 2A5 VCC 2A6 2A7 GND 2A8 2A9 2OE2 |
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