M41T82_08 Datasheet, PDF (57/58 Pages) STMicroelectronics – Serial I2C bus RTC with battery switchover

M41T82 M41T83
9
Revision history
Revision history
Table 29. Document revision history
Date
Revision
Changes
27-Jul-2006
17-Oct-2006
1
First edition
Updated package mechanical data in Figure 31: SO8 – 8-lead plastic small
2
package outline and Table 27: SO8 – 8-lead plastic small outline (150 mils
body width), package mech. data; small text changes for entire document,
amended footnotes in Table 1, Table 14 and Figure 5.
19-Dec-2006
08-Mar-2007
08-May-2007
12-Nov-2007
Document status upgraded to full datasheet; added footnote to diagram in
Features; amended footnotes in Figure 2 and updated footnotes in Table 28;
3
updated ‘typical data’ for I_CC1 and I_CC2 in Table 20; Updated package
mechanical data for the QFN16 and SOX18 in Section 6; changed kHz to
KHz through document; made small text changes throughout document.
Updated cover page (features and amended footnote concerning availability),
4
Figure 18: Clock accuracy vs. on-chip load capacitance, and ordering
information (Table 28).
Updated title of product (added I²C bus) on cover page; updated Section 3.16,
5
Section 3.4.1, Table 17, 20, 28, Figure 29; added Figure 24; added Micro
Crystal information (Table 21).
6
Updated Features on cover page; minor formatting changes; modified
footnote 1 in Table 21; added Section 8: References.
17-Apr-2008
7
Updated cover page.
57/58