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SN74ALVC16373DLR датащи(PDF) 1 Page - Texas Instruments |
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SN74ALVC16373DLR датащи(HTML) 1 Page - Texas Instruments |
1 / 11 page SN74ALVC16373 16BIT TRANSPARENT DTYPE LATCH WITH 3STATE OUTPUTS SCAS257B − JANUARY 1993 − REVISED JULY 1995 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 D Member of the Texas Instruments Widebus Family D EPIC (Enhanced-Performance Implanted CMOS) Submicron Process D Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 3.3 V, TA = 25°C D Typical VOHV (Output VOH Undershoot) > 2 V at VCC = 3.3 V, TA = 25°C D Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors D ESD Protection Exceeds 2000 V Per MIL-STD-833C, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) D Latch-Up Performance Exceeds 250 mA Per JEDEC Standard JESD-17 D Package Options Include Plastic 300-mil Shrink Small-Outline (DL) and Thin Shrink Small-Outline (DGG) Packages description This 16-bit transparent D-type latch is designed for 3.3-V VCC operation; it is tested at 2.5-V, 2.7-V, and 3.3-V VCC. The SN74ALVC16373 is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. This device can be used as two 8-bit latches or one 16-bit latch. When the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is taken low, the Q outputs are latched at the levels set up at the D inputs. A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high- or low-logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus lines without need for interface or pullup components. OE does not affect internal operations of the latch. Old data can be retained or new data can be entered while the outputs are in the high-impedance state. Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level. The SN74ALVC16373 is available in TI’s shrink small-outline (DL) and thin shrink small-outline (DGG) packages, which provide twice the I/O pin count and functionality of standard small-outline packages in the same printed-circuit-board area. The SN74ALVC16373 is characterized for operation from − 40 °C to 85°C. 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 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1OE 1Q1 1Q2 GND 1Q3 1Q4 VCC 1Q5 1Q6 GND 1Q7 1Q8 2Q1 2Q2 GND 2Q3 2Q4 VCC 2Q5 2Q6 GND 2Q7 2Q8 2OE 1LE 1D1 1D2 GND 1D3 1D4 VCC 1D5 1D6 GND 1D7 1D8 2D1 2D2 GND 2D3 2D4 VCC 2D5 2D6 GND 2D7 2D8 2LE 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. Copyright 1995, Texas Instruments Incorporated EPIC and Widebus are trademarks of Texas Instruments Incorporated. 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. |
Аналогичный номер детали - SN74ALVC16373DLR |
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Аналогичное описание - SN74ALVC16373DLR |
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