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CD74HCT4520 数据表(PDF) 2 Page - Texas Instruments |
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CD74HCT4520 数据表(HTML) 2 Page - Texas Instruments |
2 / 17 page 2 Functional Diagram TRUTH TABLE CP E MR OUTPUT STATE ↑ H L Increment Counter L ↓ L Increment Counter ↓ X L No Change X ↑ L No Change ↑ L L No Change H ↓ L No Change XX H Q0 thru Q3 = L H = High State. L = Low State. ↑ = High-to-Low Transition. ↓ = Low-to-High Transition. X = Don’t Care. 1CP 1Q2 5 6 1Q3 1Q1 4 1Q0 3 1 1E 2 CL R 1MR 7 ÷10/÷16 2CP 2Q2 13 14 2Q3 2Q1 12 2Q0 11 9 2E 10 CL R 2MR 15 ÷10/÷16 GND = 8 VCC = 16 CD74HC4518, CD54HC4520, CD74HC4520, CD74HCT4520 |
类似零件编号 - CD74HCT4520 |
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类似说明 - CD74HCT4520 |
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