M41T00SM6F STMicroelectronics, M41T00SM6F Datasheet - Page 11

• Manufacturer Part Number: M41T00SM6F
• Description: IC RTC SERIAL ACCESS 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Clock/Calendar/NVSRAMr

Specifications of M41T00SM6F

• Memory Size: 8B
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6458-2; M41T00SM6F

2.4
Figure 9.
BUS ACTIVITY:
MASTER
SDA LINE
BUS ACTIVITY:
Data retention mode
With valid V
WRITE cycles. Should the supply voltage decay, the power input will be switched from the
V
this time the clock registers will be maintained by the attached battery supply. On power-up,
when V
For a further, more detailed review of lifetime calculations, please see Application Note
AN1012.
WRITE mode sequence
CC
pin to the battery when V
CC
S
returns to a nominal value, write protection continues for t
ADDRESS
CC
SLAVE
applied, the M41T00S can be accessed as described above with READ or
ADDRESS (An)
WORD
CC
falls below the battery backup switchover voltage (V
DATA n
DATA n+1
REC
DATA n+X
.
AI00591
P
SO
11/26
). At