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74ACT16540 Datasheet(PDF) 1 Page - Texas Instruments |
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74ACT16540 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 6 page 54ACT16540, 74ACT16540 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS186A − OCTOBER 1991 − REVISED APRIL 1996 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Members of the Texas Instruments Widebus ™ Family D Inputs Are TTL-Voltage Compatible D Provide Extra Data Width Necessary for Wider Address/Data Paths D Provide Inverted Data D 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers D Flow-Through Architecture Optimizes PCB Layout D Distributed V CC and GND Pin Configuration Minimizes High-Speed Switching Noise D EPIC™ (Enhanced-Performance Implanted CMOS) 1- μm Process D 500-mA Typical Latch-Up Immunity at 125 °C D Package Options Include Shrink Small-Outline 300-mil (DL) Package Using 25-mil Center-to-Center Pin Spacings and 380-mil Fine-Pitch Ceramic Flat (WD) Packages Using 25-mil Center-to-Center Pin Spacings description These 16-bit buffers/bus drivers provide a high-performance bus interface for wide data paths. 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 corresponding outputs are in the high-impedance state. The 74ACT16540 is packaged in TI’s shrink small-outline package, which provides twice the I/O pin count and functionality of standard small-outline packages in the same printed-circuit-board area. The 54ACT16540 is characterized for operation over the full military temperature range of −55 °C to 125°C. The 74ACT16540 is characterized for operation from −40 °C to 85°C. FUNCTION TABLE (each 8-bit section) INPUTS OUTPUT OE1 OE2 A OUTPUT Y L L L H L LH L H XX Z X H X Z Copyright © 1996, 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. EPIC and Widebus are trademarks of Texas Instruments Incorporated. 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 1OE1 1Y1 1Y2 GND 1Y3 1Y4 VCC 1Y5 1Y6 GND 1Y7 1Y8 2Y1 2Y2 GND 2Y3 2Y4 VCC 2Y5 2Y6 GND 2Y7 2Y8 2OE1 1OE2 1A1 1A2 GND 1A3 1A4 VCC 1A5 1A6 GND 1A7 1A8 2A1 2A2 GND 2A3 2A4 VCC 2A5 2A6 GND 2A7 2A8 2OE2 54ACT16540 . . . WD PACKAGE 74ACT16540 . . . DL PACKAGE (TOP VIEW) |
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