M48T58_07 Datasheet, PDF (30/31 Pages) STMicroelectronics – 5.0V, 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM

Revision history
11 Revision history
M48T58, M48T58Y
Table 18. Document revision history
Date
Revision
Changes
Jul-1999
27-Jul-2000
04-Jun-2001
1.0 First Issue
1.1
Century Bit and Battery Low Flag Paragraphs added; Power Down/Up
AC Characteristics Table and Waveforms changed (Table 10, Figure 12)
2.0 Reformatted; temperature information added (Table 9, 3, 4, 10, 11)
31-Jul-2001
20-May-2002
2.1 Formatting changes from recent document review findings
2.2 Modify reflow time and temperature footnotes (Table 6)
01-Apr-2003
17-Jul-2003
3.0 v2.2 template applied; test condition updated (Table 11)
3.1 Update “Battery Low Flag” information
02-Apr-2004
30-Aug-2007
4.0 Reformatted; update Lead-free packaging information (Table 6, 16)
5.0
Reformatted; added lead-free second level interconnect information to
cover page and Section 9: Package mechanical data; updated Table 9.
30/31