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| 74AHCT245资料 | |
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74AHCT245 PDF Download |
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File Size : 116 KB
Manufacturer:PHILIPS/TI Description:PSEN Program Store Enable is the Read strobe to External Program Memory When the 87C51 BH is executing from Internal Program Memory PSEN is inactive (high) When the device is executing code from External Program Memory PSEN is activated twice each machine cycle except that two PSEN activations are skipped during each access to Exter- nal Data Memory |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：74AHCT245 厂 家：PHILIPS/TI 封 装：SOP 批 号：01 数 量：3,622 说 明：绝对原装正品底价 |
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