M41T00S

Operation

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2.4

Data retention mode

WRITE cycles. Should the supply voltage decay, the power input will be switched from the

this time the clock registers will be maintained by the attached battery supply. On power-up,

For a further, more detailed review of lifetime calculations, please see Application Note

AN1012.

Figure 9.

WRITE mode sequence

AI00591

BUS ACTIVITY:

S

P

SDA LINE

BUS ACTIVITY:

MASTER

DATA n

DATA n+1

DATA n+X

WORD

ADDRESS (An)

SLAVE

ADDRESS