Revision history M48T08, M48T08Y, M48T18
30/31 Doc ID 2411 Rev 11
9 Revision history
Table 18. Document revision history
Date Revision Changes
Dec-1999 1 First Issue
07-Feb-2000 2
From Preliminary Data to Datasheet; Battery Low Flag paragraph
changed; 100ns speed class identifier changed (Ta bl e 3 , 4)
11-Jul-2000 2.1 t
FB
changed (Ta bl e 10 ); Watchdog Timer paragraph changed
16-Jul-2001 3
Reformatted; SNAPHAT battery table added (Tabl e 1 7 ); added
temp./voltage info. to tables (Ta bl e 8 , 9, 3, 4, 10, 11).
01-Aug-2001 3.1 Reference to App. Note corrected in “Calibrating the Clock” section
21-Dec-2001 3.2 Changes to text in document to reflect addition of M48T08Y option
06-Mar-2002 3.3 Fix Ordering Information table and add to footnote (Ta bl e 16 )
20-May-2002 3.4 Modify reflow time and temperature footnotes (Tab le 6 )
29-Aug-2002 3.5 t
DR
specification temperature updated (Tab le 1 1)
28-Mar-2003 4 v2.2 template applied; updated test conditions (Tabl e 1 0 )
10-Dec-2003 5 Reformatted
30-Mar-2004 6
Reformatted; Lead-free (Pb-free) information package update (Ta bl e 6,
16)
13-Dec-2005 7 Updated template, Lead-free information, removed footnote (Ta bl e 9, 16)
04-Jul-2007 8
Reformatted; added lead-free second level interconnect information to
cover page and Section 6: Package mechanical data.
10-Feb-2009 9
Updated Ta bl e 6 , text in Section 6: Package mechanical data; added
Section 8: Environmental information; minor formatting changes.
21-Jun-2010 10 Updated Section 4, Ta b le 1 2; reformatted document.
07-Jun-2011 11
Updated footnote 1 of Table 6: Absolute maximum ratings; updated
Section 8: Environmental information.
