M41ST87Y_10 Datasheet, PDF (51/52 Pages) STMicroelectronics – 5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM

M41ST87Y, M41ST87W
9
Revision history
Revision history
Table 23. Document revision history
Date
Revision
Changes
May-2002
1 First issue.
23-Apr-2003
2 Document promoted to preliminary data.
10-Jul-2003 2.1 Update tamper information ( Figure 4, 5, 14, 15, 16; Table 17, 4, 12).
11-Sep-2003
2.2
Update electrical, charge pump, and clock information (Table 17;
Figure 5, 19, 20).
15-Jun-2004
3
Reformatted; added lead-free information; updated characteristics
(Figure 2; Table 1, 14, 17, 22).
7-Sep-2004
4 Update maximum ratings (Table 14).
29-Jun-2005
5
Clarify NC connections, add inadvertent tamper, update MX attribute
(Figure 2, 21; Table 1, 6, 22).
28-Mar-2006
6
Update to “Avoiding inadvertent tamper paragraph“ paragraph.
10-Sep-2008
7
Reformatted document and title change; updated cover page, Figure 4,
15, 20, Section 6: Package mechanical data.
31-Mar-2010
Added SSOP 20-pin package (updated cover page, Section 1.1, Figure 1,
4, 5, 13, 28, Table 1, 2, Section 3.4, Section 3.8, added Figure 3, 30,
Table 18, 21, Section 8); updated Table 11, 14, 17, 18, 22, Figure 10, 11,
Figure 15.16, 19, 24, 27, 28, text in Section 1, Section 2, Section 2.1,
8
Section 2.1.5, Section 2.4, Section 2.5, Section 2.6.1, Section 2.6.3,
Section 2.6.5, Section 2.6.6, Section 2.6.8, Section 2.6.9, Section 2.7,
Section 2.8, Section 3, Section 3.0.1, Section 3.1, Section 3.2,
Section 3.3, Section 3.4, Section 3.8, Section 3.9, Section 3.11,
Section 3.13, Section 3.16, Section 3.17, Section 6; reformatted
document.
Doc ID 9497 Rev 8
51/52