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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  
Revision history  
8
Revision history  
Table 16. Revision history  
Date  
Revision  
Revision details  
December 2001  
21-Jan-02  
1.0  
1.1  
1.2  
1.3  
1.4  
First issue  
Fix table footnotes (Table 9, Table 10)  
01-May-02  
05-Jun-02  
Modify reflow time and temperature footnote (Table 6)  
Modify data retention text, trip points (Table 12)  
Corrected supply voltage values (Table 6, Table 7)  
10-Jun-02  
Modify DC characteristics, crystal electrical table footnotes, preferred  
default values (Table 9, Table 10, Table 5)  
03-Jul-02  
11-Oct-02  
1.5  
1.6  
Add marketing status (Figure 2; Table 15); adjust footnotes (Figure 2;  
Table 9)  
Add embedded crystal package option (Figure 1, 3, 23; Table 16);  
modified pre-existing mechanical drawing (Figure 17; Table 14).  
21-Jan-03  
05-Mar-03  
12-Sep-03  
1.7  
1.8  
2.0  
Correct dimensions (Table 16); remove SNAPHAT® package option  
Updated disclaimer, v2.2 template; add SOX18 package (Figure 2, 4;  
Table 15)  
Reformatted; update characteristics (Figure 4, 3, Figure 3, Figure 10,  
Figure 13, Table 1, Table 6, Table 9, Table 12, Table 15)  
27-Apr-04  
17-Jun-04  
3.0  
4.0  
Reformatted; add lead-free information; add dual footprint  
connections (Figure 5;Table 6, Table 15)  
7-Sep-04  
5.0  
6.0  
Update footprint and maximum ratings (Figure 5; Table 6)  
Update max ratings (Table 6)  
13-Sep-04  
Remove SOX18 and SOX28 references (Features summary,  
Figure 1; Table 1, Table 6, Table 10, Table 15)  
03-Jun-05  
7
8
Changed document to new template; Updated package mechanical  
data in Section 6: Package mechanical information; small text  
changes for entire document; ecopack compliant.  
12-Jul-2006  
29/30