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SN74ALS569ANSRE4 数据表(PDF) 6 Page - Texas Instruments |
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SN74ALS569ANSRE4 数据表(HTML) 6 Page - Texas Instruments |
6 / 23 page SN54ALS569A, SN74ALS568A, SN74ALS569A SYNCHRONOUS 4-BIT UP/DOWN DECADE AND BINARY COUNTERS WITH 3-STATE OUTPUTS SDAS229A – APRIL 1982 – REVISED JANUARY 1995 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 typical load, count, and inhibit sequences Hi Z LOAD A CLK U/D ENT RCO QA QB QC QD Async Clear 12 Count Down Don’t Care Don’t Care B Don’t Care Don’t Care C Don’t Care Don’t Care D Don’t Care Don’t Care Don’t Care Don’t Care ENP Don’t Care SCLR ACLR OE Hi Z Hi Z Hi Z CCO Count Up Inhibit Counting Count Up Sync Clear Sync Load 07 8 9 0123 4 3 2 1 0 9 8 SN74ALS568A |
类似零件编号 - SN74ALS569ANSRE4 |
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类似说明 - SN74ALS569ANSRE4 |
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