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SN54HC4040,SN74HC4040,PDF(12-B
消耗积分:5 |
格式:rar |
大小:100 |
2010-08-10
KANA
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The ’HC4040 devices are 12-stage asynchronous binary counters, with the outputs of all stages available externally. A high level at the clear (CLR) input asynchronously clears the counter and resets all outputs low. The count is advanced on a high-to-low transition at the clock (CLK) input. Applications include time-delay circuits, counter controls, and frequency-dividing circuits.
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