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SN74ALVCH162334DGGR Arkusz danych(PDF) 1 Page - Texas Instruments |
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SN74ALVCH162334DGGR Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 15 page www.ti.com FEATURES DESCRIPTION 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 OE Y1 Y2 GND Y3 Y4 VCC Y5 Y6 GND Y7 Y8 Y9 Y10 GND Y11 Y12 VCC Y13 Y14 GND Y15 Y16 NC CLK A1 A2 GND A3 A4 VCC A5 A6 GND A7 A8 A9 A10 GND A11 A12 VCC A13 A14 GND A15 A16 LE NC − No internal connection Data flow from A to Y is controlled by the output-enable (OE) input. The device operates in the transparent mode SN74ALVCH162334 16-BIT UNIVERSAL BUS DRIVER WITH 3-STATE OUTPUTS SCES120H – JULY 1997 – REVISED SEPTEMBER 2004 • Member of the Texas Instruments Widebus™ Family • EPIC™ (Enhanced-Performance Implanted CMOS) Submicron Process • Output Port Has Equivalent 26- Ω Series Resistors, So No External Resistors Are Required • Designed to Comply With JEDEC 168-Pin and 200-Pin SDRAM Buffered DIMM Specification • 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 Shrink Small-Outline (DL), Thin Shrink Small-Outline (DGG), and Thin Very Small-Outline (DGV) Packages NOTE: For tape-and-reel order entry, the DGGR package is abbreviated to GR, and the DGVR package is abbreviated to VR. This 16-bit universal bus driver is designed for 1.65-V to 3.6-V VCC operation. when the latch-enable (LE) input is low. When LE is high, the A data is latched if the clock (CLK) input is held at a high or low logic level. If LE is high, the A data is stored in the latch/flip-flop on the low-to-high transition of CLK. When OE is high, the outputs are in the high-impedance state. The output port includes equivalent 26- Ω series resistors to reduce overshoot and undershoot. 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 SN74ALVCH162334 is characterized for operation from -40 °C to 85°C. 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 © 1997–2004, 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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