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HD6473434F16 参数 Datasheet PDF下载

HD6473434F16图片预览
型号: HD6473434F16
PDF下载: 下载PDF文件 查看货源
内容描述: 12伏不能应用于S -掩模模型(单电源规格) ,因为这可能会永久损坏设备。 [12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.]
分类和应用: 外围集成电路微控制器可编程只读存储器时钟
文件页数/大小: 752 页 / 2557 K
品牌: HITACHI [ HITACHI SEMICONDUCTOR ]
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Input of External Clock Signal  
Circuit Configuration: An external clock signal can be input as shown in the examples in figure  
6.5. In example (b) in figure 6.5, the external clock signal should be kept high during standby.  
If the XTAL pin is left open, make sure the stray capacitance does not exceed 10 pF.  
EXTAL  
XTAL  
External clock input  
Open  
(a) Connections with XTAL pin left open  
EXTAL  
External clock input  
74HC04  
XTAL  
(b) Connections with inverted clock input at XTAL pin  
Figure 6.5 External Clock Input (Example)  
93  
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