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SN74ALS841 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74ALS841 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 13 page SN74ALS841, SN74AS841A . . . DW OR NT PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 OE 1D 2D 3D 4D 5D 6D 7D 8D 9D 10D GND VCC 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 9Q 10Q LE SN74ALS842 . . . DW OR NT PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 OE 1D 2D 3D 4D 5D 6D 7D 8D 9D 10D GND VCC 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 9Q 10Q LE SN74ALS841, SN74AS841A, SN74ALS842 10-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS SDAS059C – DECEMBER 1983 – REVISED JANUARY 1995 Copyright © 1995, Texas Instruments Incorporated 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 • 3-State Buffer-Type Outputs Drive Bus Lines Directly • Bus-Structured Pinout • Provide Extra Bus-Driving Latches Necessary for Wider Address/Data Paths or Buses With Parity • Buffered Control Inputs to Reduce dc Loading Effects • Power-Up High-Impedance State • Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic (NT) 300-mil DIPs description These 10-bit latches feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. The ten latches are transparent D-type latches. The SN74ALS841 and SN74AS841A have noninverting data (D) inputs. The SN74ALS842 has inverting D inputs. A buffered output-enable (OE) input places the ten 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 increased drive provide the capability to drive bus lines without interface or pullup components. OE does not affect the internal operation of the latches. Previously stored data can be retained or new data can be entered while the outputs are off. The SN74ALS841, SN74AS841A, and SN74ALS842 are characterized for operation from 0 °C to 70°C. 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. |
Número de pieza similar - SN74ALS841_15 |
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Descripción similar - SN74ALS841_15 |
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