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| BK20104S121-T资料 | |
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BK20104S121-T PDF Download |
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File Size : 116 KB
Manufacturer: Description: For convenience, a 4MHz crystal oscillator has been used rather than a 4.096MHz clock, as both are within the limits of the chips specifications. The RC delay used with the 393 counters ensures a sufficient hold time for the FP signal, but the values used may have to be changed if faster 393 counters become available.The chip is shown as memory mapped into the MEK6802D3 system. Chip addresses 00-3F correspond to processor addresses 2000-203F. Delay through the address decoder requires the VMA signal to be used twice to remove glitches. The MEK6802D3 board uses a 10KΩ pullup on the MR pin, which would have to be incorporated into the circuit if the board was replaced by a processor. |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：BK20104S121-T 厂 家： 封 装：08＋ 批 号：1000 数 量： 说 明：原装现货 |
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