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M41T93 Fiches technique(PDF) 9 Page - STMicroelectronics

No de pièce M41T93
Description  Serial SPI bus RTC with battery switchover
PDF  49 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41T93 Fiches technique(HTML) 9 Page - STMicroelectronics

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M41T93
Summary description
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Figure 4.
Block diagram
1.
Open drain output
2.
VRST = VSO = 2.93V (S), 2.63V (R), and 2.32V (Z).
REAL TIME CLOCK
CALENDAR
ALARM1
ALARM2
WATCHDOG
OSCILLATOR FAIL
CIRCUIT
SQUARE WAVE
OUTPUT DRIVER
8 BITS OF OTP
8-BIT COUNTER
FREQUENCY TEST
USER SRAM (7 Bytes)
IRQ/FT/OUT
(1)
SQW
RST
(1)
INTERNAL
POWER
SQWE
A1IE
E
SCL
VCC
OFIE
COMPARE
trec
TIMER
SDO
SDI
SPI
INTERFACE
32kHz
OSCILLATOR
VBAT
CRYSTAL
XI
XO
VRST/VSO
(2)
AI11821
WRITE
PROTECT
VCC < VRST
FT
OUT
TIE



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