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SN74ALS273NE4 数据表(PDF) 1 Page - Texas Instruments |
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SN74ALS273NE4 数据表(HTML) 1 Page - Texas Instruments |
1 / 18 page SN54ALS273, SN74ALS273 OCTAL D-TYPE FLIP-FLOPS WITH CLEAR SDAS218A – APRIL 1982 – REVISED DECEMBER 1994 Copyright © 1994, Texas Instruments Incorporated 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 • Contain Eight Flip-Flops With Single-Rail Outputs • Buffered Clock and Direct-Clear Inputs • Individual Data Input to Each Flip-Flop • Applications Include: Buffer/Storage Registers Shift Registers Pattern Generators • Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs description These octal positive-edge-triggered flip-flops utilize TTL circuitry to implement D-type flip-flop logic with a direct-clear (CLR) input. Information at the data (D) inputs meeting the setup-time requirements is transferred to the Q outputs on the positive-going edge of the clock (CLK) pulse. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When CLK is at either the high or low level, the D input signal has no effect at the output. The SN54ALS273 is characterized for operation over the full military temperature range of – 55 °C to 125 °C. The SN74ALS273 is characterized for operation from 0 °C to 70°C. FUNCTION TABLE (each flip-flop) INPUTS OUTPUT CLR CLK D OUTPUT Q L X X L H ↑ HH H ↑ LL H H or L X Q0 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 CLR 1Q 1D 2D 2Q 3Q 3D 4D 4Q GND VCC 8Q 8D 7D 7Q 6Q 6D 5D 5Q CLK SN54ALS273 ...J PACKAGE SN74ALS273 . . . DW OR N PACKAGE (TOP VIEW) 3 2120 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 8D 7D 7Q 6Q 6D 2D 2Q 3Q 3D 4D SN54ALS273 . . . FK PACKAGE (TOP VIEW) 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. |
类似零件编号 - SN74ALS273NE4 |
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类似说明 - SN74ALS273NE4 |
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