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74ACT11191 数据表(PDF) 4 Page - Texas Instruments |
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74ACT11191 数据表(HTML) 4 Page - Texas Instruments |
4 / 9 page 74ACT11191 SYNCHRONOUS 4BIT UP/DOWN BINARY COUNTER SCAS106A − D3455, FEBRUARY 1990 − REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 2−4 typical load, count, and inhibit sequences Illustrated below is the following sequence: 1. Load (preset) to binary thirteen 2. Count up to fourteen, fifteen (maximum), zero, one, and two 3. Inhibit 4. Count down to one, zero (minimum), fifteen, fourteen, and thirteen. A B C D CLOCK D/U MAX/MIN QA QD QC QB Load Count Up Inhibit Count Down 13 14 15 0 1 2 2 2 1 0 151413 Data Inputs RCO CTEN LOAD |
类似零件编号 - 74ACT11191 |
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类似说明 - 74ACT11191 |
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