M41ST85WMX6 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M41ST85WMX6

3.0/3.3V I²C combination serial RTC, NVRAM supervisor and microprocessor supervisor

STMicroelectronics 

Revision history

8

Revision history

M41ST85W

Table 20. Document revision history

Date

Revision

Changes

Aug-2000

24-Aug-2000

12-Oct-2000

18-Dec-2000

18-Jun-2001

22-Jun-2001

26-Jul-2001

07-Aug-2001

20-Aug-2001

06-Sep-2001

03-Dec-2001

01-May-2002

03-Jul-2002

15-Nov-2002

24-Jan-2003

25-Feb20-03

20-May-2004

15-Jun-2004

13-Sep-2004

10-Jan-2006

03-Oct-2007

1.0 First issue

1.1 Block Diagram added (Figure 4)

1.2 trec Table removed, cross references corrected

2.0 Reformatted, TOC added, and PFI Input Leakage Current added (Table 11)

Addition of trec information, table changed, one added (Table 2, 6); changed PFI/PFO

graphic (see Figure 4); change to DC and AC Characteristics, Order Information

2.1 (Table 11, 12, 18); note added to “Setting Alarm Clock Registers” section; added

temp./voltage info. to tables (Table 10, 11, 6, 12, 13); addition of Default Values

(Table 7)

2.2 Note added to Clock Operation section

3.0 Change in Product Maturity

3.1 Improve text in “Setting the Alarm Clock” section

3.2 Change VPFD values in document

3.3

DC Characteristics VBAT changed; VOHB changed; PFI Hysteresis (PFI Rising) spec.

added; and Crystal Electrical Characteristics table removed (Table 11, 6)

3.4

Changed READ/WRITE Mode Sequences (Figure 10, 12); change in VPFD lower limit

for 5V (M41ST85Y) part only (Table 11, 18)

3.5 Change trec Definition (Table 6); modify reflow time and temperature footnote (Table 8)

3.6 Modify DC Characteristics table footnote, Default Values (Table 11, 7)

3.7

Added embedded crystal (MX) package option; corrected initial power-up condition

(cover page, Figure 1, 3, 4, 5, 24, Table 1, 7, 18, 17)

3.8 Update diagrams (Figure 4, 5, 24); update values (Table 13, 5, 6, 7, 17)

4.0 New Si changes (Table 13, 5, 6); corrected dimensions (Figure 24; Table 17)

5.0

Reformatted; correct dimensions; update Lead-free information (Figure 20, 13, 16;

Table 8, 16, 18)

6.0 Update characteristics; add package shipping (Figure 3; Table 1, 11, 18)

7.0 Update Maximum ratings (Table 8)

8.0

Updated template, Lead-free text, removed 5V references (Figure 1, 2, 3, 4, 5; Table 5,

8, 9, 11, 12, 13, 18, 19)

9.0

Reformatted document, some text changes; added lead-free second level interconnect

information to cover page and Section 6: Package mechanical data; updated Table 8.

40/41

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