M41ST84WMH ST Microelectronics, M41ST84WMH Datasheet - Page 30
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M41ST84WMH
Manufacturer Part Number
M41ST84WMH
Description
5.0 or 3.0V / 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS
Manufacturer
ST Microelectronics
Datasheet
1.M41ST84WMH.pdf
(31 pages)
M41ST84Y, M41ST84W
REVISION HISTORY
Table 21. Document Revision History
30/31
August 2000
01-May-02
24-Aug-00
08-Sep-00
18-Dec-00
07-Aug-01
20-Aug-01
06-Sep-01
03-Dec-01
01-Aug-02
18-Jun-01
25-Jun-01
14-Jan-02
16-Jun-03
26-Jul-01
03-Jul-02
Date
Rev. #
1.0
1.2
1.3
2.0
2.1
2.2
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
4.0
First Issue
Block Diagram added (Figure 6)
SO16 package measures change
Reformatted, TOC added, and PFI Input Leakage Current added (Table 5)
Addition of t
graphic (see Figure 6); change to DC and AC Characteristics, Order Information (Tables 5, 7,
19); note added to “Setting Alarm Clock Registers” section; added temp./voltage info. to
tables (Table 4, 5, 6, 7, 8); addition of Default Values (Table 14); textual improvements
Special note added in “Clock Operation” section (page 15)
Change in Product Maturity
Improve text for “Setting the Alarm Clock” section
Change V
DC Characteristics V
Electrical Characteristics Series Resistance spec. changed (Tables 5, 6)
Change READ/WRITE Mode Sequence drawings (Figure 13, 15); change in V
for 5V (M41ST84Y) part only (Table 5, 19)
Change Series Resistance (Table 6)
Change t
Modify DC and Crystal Electrical Characteristics footnotes, Default Values (Tables 5, 6, 14)
Add marketing status (Figure 2; Table 19)
New Si changes (Table 8, 12, 13, 14)
REC
PFD
REC
Definition (Table 13); modify reflow time and temperature footnote (Table 2)
values in document
information, table changed, one added (Tables 9, 13); changes to PFI/PFO
BAT
changed; PFI Hysteresis (PFI Rising) spec. added; and Crystal
Revision Details
PFD
lower limit