List of figures M41T00
4/25 DocID6100 Rev 10
List of figures
Figure 1. Logic symbol. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. SOIC connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4. Serial bus data transfer sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 5. Acknowledge sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 6. Bus timing requirements sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Figure 7. Slave address location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 8. READ mode sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 9. Alternate READ mode sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 10. WRITE mode sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 11. Power down/up mode AC waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 12. Crystal accuracy across temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 13. Clock calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 14. AC testing input/output waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Figure 15. SO8 – 8-lead plastic small outline, 150 mils body width, package outline . . . . . . . . . . . . . 21
DocID6100 Rev 10 5/25
M41T00 Device overview
25
1 Device overview
Figure 1. Logic symbol
Figure 2. SOIC connection
Table 1. Pin description
Symbol Name and function
OSCI Oscillator input
OSCO Oscillator output
FT/OUT Frequency test/output driver (open drain)
SCL Serial clock
SDA Serial data address input/output
V
BAT
Battery supply voltage
V
SS
Ground
V
CC
Supply voltage
AI00530
OSCI
V
CC
M41T00
V
SS
SCL
OSCO
SDA
FT/OUT
V
BAT
1
SDAV
SS
SCL
FT/OUTOSCO
OSCI V
CC
V
BAT
AI00531
M41T00
2
3
4
8
7
6
5
Device overview M41T00
6/25 DocID6100 Rev 10
Figure 3. Block diagram
AI00603
SECONDS
OSCILLATOR
32.768 kHz
VOLTAGE
SENSE and
SWITCH
CIRCUITRY
SERIAL
BUS
INTERFACE
DIVIDER
CONTROL
LOGIC
ADDRESS
REGISTER
MINUTES
CENTURY/HOURS
DAY
DATE
MONTH
YEAR
CONTROL
OSCI
OSCO
FT/OUT
V
CC
V
SS
V
BAT
SCL
SDA
1 Hz

M41T00M6F

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Real Time Clock Serial 64 (8X8)
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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