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| 74LS155M资料 | |
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74LS155M PDF Download |
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File Size : 116 KB
Manufacturer:NS Description:OSC1, OSC2 are connected to an RC network or Crystal (determined by op- tions) for the internal system clock. In the case of RC operation, OSC2 is the output terminal for 1/4 system clock. These two pins also can be optioned as an RTC oscillator (32768Hz) or I/O lines. In these two cases, the system clock comes from an internal RC oscillator whose frequency has 4 options (3.2MHz, 1.6MHz, 800kHz, 400kHz). If the I/O option is selected, the pull-high options also be enabled. Otherwise the PC3 and PC4 are used as internal registers (pull-high resistors always disabled). |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：74LS155M 厂 家：NS 封 装：3.9mm 批 号：(\91+)01+ 数 量：1220 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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