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EM78P510NAM 参数 Datasheet PDF下载

EM78P510NAM图片预览
型号: EM78P510NAM
PDF下载: 下载PDF文件 查看货源
内容描述: 8位OTP微 [8-Bit Microprocessor with OTP ROM]
分类和应用: OTP只读存储器
文件页数/大小: 116 页 / 2156 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM78P510N  
8-Bit Microcontrollers  
6.7.2 Residue-Voltage Protection  
When battery is replaced, device power (Vdd) is taken off but residue-voltage remains.  
The residue-voltage may trips below Vdd minimum, but not to zero. This condition may  
cause a poor power-on reset. Fig.6-13 and Fig.6-14 show how to build a  
residue-voltage protection circuit.  
VDD  
VDD  
33K  
Q1  
10K  
/RESET  
100K  
1N4684  
Fig. 6-13 Residue Voltage Protection Circuit 1  
Fig. 6-14 Residue Voltage Protection Circuit 2  
Product Specification (V0.9) 09.12.2006  
(This specification is subject to change without further notice)  
57  
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