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CD74HC393MT 数据表(PDF) 2 Page - Texas Instruments |
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CD74HC393MT 数据表(HTML) 2 Page - Texas Instruments |
2 / 15 page 2 Functional Diagram GND = 7 VCC = 14 1Q2 5 6 1Q3 1Q1 4 1Q0 3 2Q2 9 8 2Q3 2Q1 10 2Q0 11 BINARY BINARY 13 1 1CP 2CP COUNTER COUNTER 1MR 2 12 2MR TRUTH TABLE CP COUNT OUTPUTS Q0 Q1 Q2 Q3 0LLLL 1 H LLL 2L H L L 3H HL L 4LL H L 5HLHL 6L H H L 7 HHH L 8LLL H 9HL L H 10 LHLH 11 H H L H 12 L L H H 13 H L H H 14 L HHH 15 HHHH CP COUNT MR OUTPUT ↑ L No Change ↓ L Count X H L L L L H = High Voltage Level, L = Low Voltage Level, X = Don’t Care, ↑ = Transition from Low to High Level, ↓ = Transition from High to Low. CD54HC393, CD74HC393, CD54HCT393, CD74HCT393 |
类似零件编号 - CD74HC393MT |
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类似说明 - CD74HC393MT |
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