поискавой системы для электроныых деталей |
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SN74ALVCH244NS датащи(PDF) 1 Page - Texas Instruments |
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SN74ALVCH244NS датащи(HTML) 1 Page - Texas Instruments |
1 / 9 page SN74ALVCH244 OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES112C – JULY 1997 – REVISED FEBRUARY 1999 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D EPIC™ (Enhanced-Performance Implanted CMOS) Submicron Process D Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors 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 250 mA Per JESD 17 D Package Options Include Plastic Small-Outline (DW, NS), Thin Very Small-Outline (DGV), and Thin Shrink Small-Outline (PW) Packages description This octal buffer/line driver is designed for 1.65-V to 3.6-V VCC operation. The SN74ALVCH244 is organized as two 4-bit line drivers with separate output-enable (OE) inputs. When OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs 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 SN74ALVCH244 is characterized for operation from –40 °C to 85°C. FUNCTION TABLE (each buffer) INPUTS OUTPUT OE A Y L H H L LL H X Z 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. EPIC is a trademark of Texas Instruments Incorporated. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 DGV, DW, NS, OR PW PACKAGE (TOP VIEW) |
Аналогичный номер детали - SN74ALVCH244NS |
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Аналогичное описание - SN74ALVCH244NS |
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