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SN74AHCT16541DLG4 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74AHCT16541DLG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 10 page SN54AHCT16541, SN74AHCT16541 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS339H – MARCH 1996 – REVISED JANUARY 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Members of the Texas Instruments Widebus ™ Family D EPIC ™ (Enhanced-Performance Implanted CMOS) Process D Inputs Are TTL-Voltage Compatible D Distributed VCC and GND Pins Minimize High-Speed Switching Noise D Flow-Through Architecture Optimizes PCB Layout D Latch-Up Performance Exceeds 250 mA Per JESD 17 D Package Options Include Plastic Shrink Small-Outline (DL), Thin Shrink Small-Outline (DGG), and Thin Very Small-Outline (DGV) Packages and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Spacings description The ’AHCT16541 devices are noninverting 16-bit buffers composed of two 8-bit sections with separate output-enable signals. For either 8-bit buffer section, the two output-enable (1OE1 and 1OE2 or 2OE1 and 2OE2) inputs must both be low for the corresponding Y outputs to be active. If either output-enable input is high, the outputs of that 8-bit buffer section are in the high-impedance state. 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 SN54AHCT16541 is characterized for operation over the full military temperature range of –55 °C to 125°C. The SN74AHCT16541 is characterized for operation from –40 °C to 85°C. FUNCTION TABLE (each 8-bit buffer/driver) INPUTS OUTPUT OE1 OE2 A Y L L L L L LH H H XX Z X H X Z 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. EPIC and Widebus are trademarks of Texas Instruments Incorporated. SN54AHCT16541 . . . WD PACKAGE SN74AHCT16541 . . . 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 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 |
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