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M41T00SC64MY6F

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M41T00SC64 Application
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3 Application
Figure 3. Block diagram
Figure 4. Crystal accuracy across temperature
AI09125
SECONDS
OSCILLATOR
32.768 kHz
VOLTAGE
SENSE
and
SWITCH
CIRCUITRY
SERIAL
BUS
INTERFACE
DIVIDER
CONTROL
LOGIC
ADDRESS
REGISTER
M24C64
8192 x8
(EEPROM)
MINUTES
CENTURY/HOURS
DAY
DATE
MONTH
YEAR
CONTROL
FT/OUT
V
CC
V
SS
V
BAT
E
0
E
1
E
2
SCL
SDA
1 Hz
AI09159
–160
0 10203040506070
Frequency (ppm)
Temperature °C
80–10–20–30–40
–100
–120
–140
–40
–60
–80
20
0
–20
K = –0.034 ppm/°C
2
± 0.004 ppm/°C
2
ΔF
= offset + K x (T – 25)
2
F
offset
= 6 ppm ± 6 ppm
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Application M41T00SC64
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Table 2. Device select code
Device type identifier
(1)
1. The most significant bit, b7, is sent first.
Chip enable address
(2)
2. E0, E1, and E2 are compared against the respective external pins on the memory device.
RW
b7 b6 b5 b4 b3 b2 b1 b0
M24C641010E2E1E0 RW
M41T00S1101000 RW
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M41T00SC64 Operation
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4 Operation
4.1 Serial RTC device
The M41T00SC64 contains one Serial RTC (M41T00S). For detailed information on how to
use the devices, see the M41T00S datasheet, which is available from your local
STMicroelectronics distributor or from the STMicroelectronics website,
http://www.st.com/rtc/.
4.2 EEPROM device
The M41T00SC64 contains a 64 Kbit Serial EEPROM (M24C64). For detailed information
on how to use the devices, see the M24C64 datasheet, which is available from your local
STMicroelectronics distributor or from the STMicroelectronics website,
http://www.st.com/eeprom/.
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M41T00SC64MY6F

Mfr. #:
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Manufacturer:
STMicroelectronics
Description:
EEPROM 64 Kbit EEPROM
Lifecycle:
New from this manufacturer.
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