M41ST84W_08 Datasheet, PDF (33/34 Pages) STMicroelectronics – 3.0/3.3 V I2C serial RTC with 44 bytes of NVRAM and supervisory functions

M41ST84W
8
Revision history
Revision history
Table 17. Document revision history
Date
Revision
Changes
Aug-2000
1 First issue
24-Aug-2000 1.2 Block diagram added (Figure 3)
08-Sep-2000 1.3 SO16 package measures change
18-Dec-2000
2
Reformatted, TOC added, and PFI input leakage current added (Table 12)
Addition of t_rec information, table changed, one added (Table 3, 7); changes to PFI/PFO
graphic (see Figure 3); change to DC and AC Characteristics, Order Information
18-Jun-2001 2.1 (Table 12, 2, 16); note added to “Setting Alarm Clock Registers” section; added
temp./voltage info. to tables (Table 11, 12, 13, 2, 14); addition of Default Values (Table 8);
textual improvements
25-Jun-2001 2.2 Special note added in Section 3: Clock operation on page 17
26-Jul20-01
3
Change in product maturity
07-Aug-2001 3.1 Improve text for “Setting the alarm clock” section
20-Aug-2001 3.2 Change V_PFD values in document
06-Sep-2001
3.3
DC characteristics V_BAT changed; PFI hysteresis (PFI rising) spec. added; and crystal
electrical characteristics series resistance spec. changed (Table 12, 13)
03-Dec-2001
3.4
Change READ/WRITE mode sequence drawings (Figure 9, 11); change in V_PFD lower
limit for 5V (M41ST84Y) part only (Table 12, 16)
14-Jan-2002 3.5 Change series resistance (Table 13)
01-May-2002 3.6 Change t_rec definition (Table 7); modify reflow time and temperature footnote (Table 9)
03-Jul-2002 3.7 Modify DC and crystal electrical characteristics footnotes, default values (Table 12, 13, 8)
01-Aug-2002 3.8 Add marketing status (Figure 1; Table 16)
16-Jun-2003
4
New Si changes (Table 14, 6, 7, 8)
15-Jun-2004
5
Reformatted; added Lead-free information; update characteristics (Figure 12; Table 9,
12, 16)
18-Oct-2004
6
Add marketing status (Figure 1; Table 16)
10-Jan-2006
7
Updated template, lead-free text, characteristics (Figure 1, 2, 5, 6; Table 1, 2, 6, 8, 9, 10,
11, 12, 13, 14, 16)
28-Aug-2008
8
Reformatted document and modified title; updated cover page, Figure 3, Table 13, 16,
and Section 6: Package mechanical data.
33/34