M41ST85WMH6E STMicroelectronics, M41ST85WMH6E Datasheet - Page 10
![IC RTC 3.0V 512BIT NVRAM 28SOIC](/photos/6/56/65690/stmicroelectronics-28-soic_sml.jpg)
M41ST85WMH6E
Manufacturer Part Number
M41ST85WMH6E
Description
IC RTC 3.0V 512BIT NVRAM 28SOIC
Manufacturer
STMicroelectronics
Type
Clock/Calendar/Supervisorr
Datasheet
1.M41ST85WMH6E.pdf
(41 pages)
Specifications of M41ST85WMH6E
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)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
497-2804-5
M41ST85WMH6
M41ST85WMH6
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Description
Figure 4.
1. Open drain output.
2. Crystal integrated into SOIC package for MX package option.
10/41
Crystal
RSTIN1
RSTIN2
(2)
V CC
SDA
SCL
WDI
PFI
EX
Block diagram
V BAT
1.25V
(Internal)
OSCILLATOR
INTERFACE
32KHz
I 2 C
V PFD = 2.65V
V SO = 2.5V
V BL = 2.5V
COMPARE
COMPARE
COMPARE
COMPARE
REAL TIME CLOCK
& CALIBRATION
SQUARE WAVE
RTC w/ALARM
WATCHDOG
CALENDAR
USER RAM
44 BYTES
POR
BL
AFE
WDS
IRQ/FT/OUT (1)
SQW
V OUT
RST
E CON
PFO
(1)
M41ST85W
AI03932