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| 4N28资料 | |
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4N28 PDF Download |
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File Size : 116 KB
Manufacturer:FSC Description:The 7C265 offers a limited selection of programmed architec- tures. Programming these features should be done with a single 10-ms-wide pulse in place of the intelligent algorithm, mainly because these features are verified operationally, not with the VFY pin. Architecture programming is implemented by applying the supervoltage to two additional pins during programming. In programming the 7C265 architecture, VPP is applied to pins 3, 9, and 22. The choice of a particular mode depends on the states of the other pins during programming, so it is important that the condition of the other pins be met as set forth in the mode table. The considerations that apply with respect to power-up and power-down during intelligent programming also apply during architecture programming. Once the supervoltages have been established and the correct logic states exist on the other device pins, programming may begin. Programming is accomplished by pulling PGM from HIGH to LOW and then back to HIGH with a pulse width equal to 10 ms. |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：4N28 厂 家：FSC 封 装：DIP6 批 号：07+ 数 量：5000 说 明：绝对原装深圳现货 |
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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