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| 74HC142C520资料 | |
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74HC142C520 PDF Download |
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File Size : 116 KB
Manufacturer: Description:In this mode the bridge commutating frequency is determined by the values of an external resistor (Rosc) and capacitor (Cosc). In this mode pin EXTDR must be connected to pin +LVS. To realize an accurate 50% duty factor, the internal divider should be used. The internal divider is enabled by connecting pin DD to SGND. Due to the presence of the divider the bridge frequency is half the oscillator frequency. The commutation of the bridge will take place at the falling edge of the signal on pin RC. To minimize the current consumption pins +LVS, −LVS and EXTDR can be connected together to either pin SGND or VDD. In this way the current source in the logic voltage supply circuit is shut off. |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：74HC142C520 厂 家： 封 装：5.2mm 批 号： 数 量：187 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 |
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