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M41T81M6F 参数 Datasheet PDF下载

M41T81M6F图片预览
型号: M41T81M6F
PDF下载: 下载PDF文件 查看货源
内容描述: 报警串行访问实时时钟 [Serial access Real-Time Clock with alarm]
分类和应用: 时钟
文件页数/大小: 30 页 / 303 K
品牌: STMICROELECTRONICS [ ST ]
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M41T81  
Maximum rating  
4
Maximum rating  
Stressing the device above the rating listed in the “Absolute Maximum Ratings” table may  
cause permanent damage to the device. These are stress ratings only and operation of the  
device at these or any other conditions above those indicated in the Operating sections of  
this specification is not implied. Exposure to Absolute Maximum Rating conditions for  
extended periods may affect device reliability. Refer also to the STMicroelectronics SURE  
Program and other relevant quality documents.  
Table 6.  
Sym  
Absolute maximum ratings  
Parameter  
Value  
Unit  
Storage temperature (VCC off,  
oscillator off)  
TSTG  
SOIC  
–55 to 125  
°C  
V
Supply voltage  
–0.3 to 7  
260  
V
CC  
Lead-free lead finish(1)  
°C  
Lead solder temperature for 10  
seconds  
TSLD  
Standard (SnPb)  
lead finish(2)  
240  
°C  
VIO  
IO  
Input or output voltages  
Output current  
–0.3 to Vcc+0.3  
V
mA  
W
20  
1
PD  
Power dissipation  
1. For SO8 package, lead-free (Pb-free) lead finish: Reflow at peak temperature of 260°C (total thermal budget not to exceed 245°C for greater  
than 30 seconds).  
2. For SO8 package, standard (SnPb) lead finish: Reflow at peak temperature of 240°C (total thermal budget not to exceed 180°C for between  
90 to 150 seconds).  
Caution:  
Negative undershoots below –0.3 volts are not allowed on any pin while in the Battery Back-  
up Mode  
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