M41ST85WMX6 STMicroelectronics, M41ST85WMX6 Datasheet - Page 40
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M41ST85WMX6
Manufacturer Part Number
M41ST85WMX6
Description
IC RTC 3.0V NVRAM 28SOIC
Manufacturer
STMicroelectronics
Type
Clock/Calendar/Supervisorr
Specifications of M41ST85WMX6
Memory Size
64B
Time Format
HH:MM:SS:hh (24 hr)
Date Format
YY-MM-DD-dd
Interface
I²C, 2-Wire Serial
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-SOIC, 28-SOH (8.48mm Width)
Function
Clock/Calendar/Supervisor/Alarm
Rtc Memory Size
64 Byte
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Rtc Bus Interface
Serial (2-Wire, I2C)
Memory Configuration
64 X 8
Nvram Features
RTC, Internal Battery, XTAL
Interface Type
I2C, Serial, 2-Wire
Supply Voltage Range
2.7V To 3.6V
Memory Case Style
SO
No. Of Pins
28
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2805-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M41ST85WMX6
Manufacturer:
ST
Quantity:
20 000
Part Number:
M41ST85WMX6TR
Manufacturer:
ST
Quantity:
20 000
Revision history
9
Table 20.
40/41
01-May-2002
20-May-2004
24-Aug-2000
18-Dec-2000
07-Aug-2001
20-Aug-2001
06-Sep-2001
03-Dec-2001
15-Nov-2002
25-Feb20-03
13-Sep-2004
16-Dec-2008
12-Oct-2000
18-Jun-2001
22-Jun-2001
24-Jan-2003
15-Jun-2004
10-Jan-2006
03-Oct-2007
26-Jul-2001
03-Jul-2002
Aug-2000
Date
Revision history
Document revision history
Revision
1.1
1.2
2.1
2.2
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
10
1
2
3
4
5
6
7
8
9
First issue
Block Diagram added
t
Reformatted, TOC added, and PFI Input Leakage Current added
Addition of t
graphic (see
(Table
temp./voltage info. to tables
(Table
Note added to Clock Operation section
Change in Product Maturity
Improve text in “Setting the Alarm Clock” section
Change V
DC Characteristics V
added; and Crystal Electrical Characteristics table removed
Changed READ/WRITE Mode Sequences
for 5V (M41ST85Y) part only
Change t
Modify DC Characteristics table footnote, Default Values
Added embedded crystal (MX) package option; corrected initial power-up condition
(cover page,
Update diagrams
New Si changes
Reformatted; correct dimensions; update Lead-free information
Table
Update characteristics; add package shipping
Update Maximum ratings
Updated template, Lead-free text, removed 5V references
8, 9, 11, 12, 13, 18, 19)
Reformatted document, some text changes; added lead-free second level interconnect
information to cover page and
Added
mechanical
rec
Table removed, cross references corrected
8, 16, 18)
11, 12, 18); note added to “Setting Alarm Clock Registers” section; added
7)
Section 8: Environmental
rec
PFD
rec
data; minor reformatting.
Definition
Figure
Figure
values in document
information, table changed, one added
(Table
(Figure
4); change to DC and AC Characteristics, Order Information
1, 3, 4, 5, 24,
BAT
(Figure
(Table
13, 5, 6); corrected dimensions
changed; V
4, 5, 24); update values
(Table
(Table
6); modify reflow time and temperature footnote
(Table
4)
Section 6: Package mechanical
8)
information; updated
Table
10, 11, 6, 12, 13); addition of Default Values
11, 18)
OHB
Changes
1, 7, 18, )
changed; PFI Hysteresis (PFI Rising) spec.
(Figure
(Figure
(Table
10, 12); change in V
3;
Table
(Table
(Figure
13, 5, 6, 7, )
Table
(Table
(Figure
(Table
8,
2, 6); changed PFI/PFO
1, 11, 18)
data; updated
Section 6: Package
24;
11, 7)
(Figure
(Table
1, 2, 3, 4, 5;
11, 6)
Table
PFD
20, 13, 16;
11)
)
M41ST85W
lower limit
(Table
Table
Table
8.
5,
8)