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| ad1981bjst资料 | |
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ad1981bjst |
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file size : 116 kb
manufacturer:adi description:the 5v device is fully accessible and data can be written or read only when vcc is greater than vpf. however, when vcc is below the power-fail point, vpf (point at which write protection occurs), the internal clock registers and sram are blocked from any access. when vcc falls below the battery switch point, vso (battery supply level), device power is switched from the vcc pin to the backup battery. rtc operation and sram data are maintained from the battery until vcc is returned to nominal levels. |
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| 1pcs | 100pcs | 1k | 10k | ||
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型 号：ad1981bjst 厂 家：adi 封 装：0609 批 号：qfp 数 量：4912 说 明：特价出售，全新原装.部份无铅 |
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运 费： 所在地： 新旧程度： |
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| 联系人：林浩/林妮 |
| 电 话：0755-82532799/82532766/83989559 |
| 手 机：13510168121/13725556003 |
| qq：496982847/351622092 |
| msn：linearic@hotmail.com |
| 传 真：0755-82532766 |
| email：maxim_zi@126.com |
| 公司地址： 深圳市福田区佳和大厦b座1802室 门市部：华强广场 q2a114展销柜 |
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