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M41T81S Datasheet(PDF) 8 Page - STMicroelectronics

Part # M41T81S
Description  Serial access real-time clock (RTC) with alarms
PDF  32 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41T81S Datasheet(HTML) 8 Page - STMicroelectronics

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Description
M41T81S
8/32
Doc ID 10773 Rev 7
Figure 4.
Block diagram
1.
Open drain output
2.
Square wave function has the highest priority on IRQ/FT/OUT/SQW output.
REAL TIME CLOCK
CALENDAR
RTC W/ALARM
& CALIBRATION
WATCHDOG
OSCILLATOR FAIL
CIRCUIT
SQUARE WAVE
FREQUENCY TEST
OUTPUT DRIVER
IRQ/FT/OUT/SQW
(1)
INTERNAL
POWER
SQWE
(2)
AFE
SDA
SCL
VCC
OFIE
COMPARE
I
2C
INTERFACE
32KHz
OSCILLATOR
VBAT
CRYSTAL
VSO
VPFD
AI09163
WRITE
PROTECT
FT
OUT



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