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| MC74ACT08D资料 | |
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MC74ACT08D PDF Download |
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File Size : 116 KB
Manufacturer:ON Description:The device is reprogrammed on a sector basis. If a byte of data within a sector is to be changed, data for the entire sector must be loaded into the device. Any byte that is not loaded during the programming of its sector will be indeterminate. Once the bytes of a sector are loaded into the device, they are simultaneously programmed during the internal programming period. After the first data byte has been loaded into the device, successive bytes are entered in the same man- ner. Each new byte to be programmed must have its high-to-low transition on WE (or CE) within 150 µs of the low-to-high transition of WE (or CE) of the preceding byte. If a high-to-low transi- tion is not detected within 150 µs of the last low-to-high transition, the load period will end and the internal programming period will start. A7 to A15 specify the sector address. The sector address must be valid during each high-to-low transition of WE (or CE). A0 to A6 specify the byte address within the sector. The bytes may be loaded in any order; sequential loading is not required. Once a programming operation has been initiated, and for the duration of tWC, a read operation will effectively be a polling operation. |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：MC74ACT08D 厂 家：ON 封 装：SOP3.9 批 号：04+ 数 量：1100 说 明： |
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运 费：广东省内10元(平邮),广东省外20元(快递) 所在地：深圳市 新旧程度： |
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| 联系人：黄林锋 |
| 电 话：0755-82579969,83255343 |
| 手 机：13714599954, |
| QQ：172517499,137550090 |
| MSN：zfdz168@hotmail.com |
| 传 真：0755-82738881 |
| EMail：zfdz168@163.com |
| 公司地址： 深圳市福田区华强北路华强广场B座28楼L室 |
技术支持:维库电子市场网