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Part Name
Description
M41ST85YMH View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M41ST85YMH
5.0 or 3.0V, 512 bit (64 x 8) Serial RTC and NVRAM Supervisor
STMicroelectronics
M41ST85YMH Datasheet PDF : 34 Pages
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M41ST85Y, M41ST85W
Figure 6. Block Diagram
SDA
SCL
Crystal(2)
WDI
VCC
I2C
INTERFACE
32KHz
OSCILLATOR
REAL TIME CLOCK
CALENDAR
44 BYTES
USER RAM
RTC w/ALARM
AFE
& CALIBRATION
WATCHDOG
WDS
SQUARE WAVE
VBAT
BL
VBL= 2.5V
COMPARE
VSO = 2.5V
COMPARE
RSTIN1
RSTIN2
VPFD = 4.4V COMPARE
(2.65V for ST85W)
POR
EX
PFI
1.25V
(Internal)
COMPARE
Note: 1. Open drain output
2. Integrated into SOIC package for MX package option.
IRQ/FT/OUT(1)
SQW
VOUT
RST(1)
ECON
PFO
AI03932
6/34
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