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74ALVCH16827DGGRG4 Datenblatt(PDF) 1 Page - Texas Instruments |
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74ALVCH16827DGGRG4 Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 14 page www.ti.com FEATURES DESCRIPTION DGG 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 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 1Y10 2Y1 2Y2 2Y3 GND 2Y4 2Y5 2Y6 VCC 2Y7 2Y8 GND 2Y9 2Y10 2OE1 1OE2 1A1 1A2 GND 1A3 1A4 VCC 1A5 1A6 1A7 GND 1A8 1A9 1A10 2A1 2A2 2A3 GND 2A4 2A5 2A6 VCC 2A7 2A8 GND 2A9 2A10 2OE2 SN74ALVCH16827 20-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES041D – JULY 1995 – REVISED SEPTEMBER 2004 • Member of the Texas Instruments Widebus™ Family • EPIC™ (Enhanced-Performance Implanted CMOS) Submicron Process • ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) • Latch-Up Performance Exceeds 250 mA Per JESD 17 • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors • Package Options Include Plastic 300-mil Shrink Small-Outline (DL) and Thin Shrink Small-Outline (DGG) Packages This 20-bit noninverting buffer/driver is designed for 1.65-V to 3.6-V VCC operation. The SN74ALVCH16827 is composed of two 10-bit sections with separate output-enable signals. For either 10-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 10-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. Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level. The SN74ALVCH16827 is characterized for operation from -40 °C to 85°C. FUNCTION TABLE (each 10-bit section) INPUTS OUTPUT Y OE1 OE2 A L L L L L L H H H X X Z X H X Z 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, EPIC are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 1995–2004, 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. |
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