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CD4541BNSR 数据表(PDF) 5 Page - Texas Instruments |
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CD4541BNSR 数据表(HTML) 5 Page - Texas Instruments |
5 / 17 page 5 Digital Timer Application A positive pulse on MASTER RESET resets the counters and latch. The output goes high and remains high until the number of pulses, selected by A and B, are counted. This circuit is retriggerable and is as accurate as the input fre- quency. If additional accuracy is desired, an external clock can be used on pin 3. A setup time equal to the width of the one-shot output is required immediately following initial power up, during which time the output will be high. 1 2 3 4 5 6 7 14 13 12 11 10 9 8 RTC RS AR MR INPUT B A t OUTPUT VDD CTC FIGURE 3. DIGITAL TIMER APPLICATION CIRCUIT CD4541B |
类似零件编号 - CD4541BNSR |
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类似说明 - CD4541BNSR |
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