M4T28-BR12SH1 Datasheet, PDF (15/16 Pages) STMicroelectronics – TIMEKEEPER SNAPHAT (battery and crystal)

M4T28-BR12SH, M4T32-BR12SH
8
Revision history
Revision history
Table 7. Document revision history
Date
Revision
Changes
Nov-1999
01-Mar-2001
04-Jun-2001
10-Jul-2001
21-Jan-2002
20-Aug-2002
14-Mar-2003
20-Nov-2008
1
First issue
2
Reformatted
2.1 Basic textual changes from reformatting activity
2.2
Changes references to “supervisor” from “controller;” clarify temperature
characteristics
2.3
Change to include crystal accuracy (Table 3); add text for SNAPHAT^®
insertion force tolerance and battery characteristics note
2.4 Updated insertion/extraction data (Figure 2)
2.5 Add pb-free note on page 1
3
Reformatted document; updated cover page, Section 5: Package
mechanical data, Table 6; added Section 7: Environmental information.
15/16