M48T212V_07 Datasheet, PDF (13/35 Pages) STMicroelectronics – 3.3V TIMEKEEPER supervisor

M48T212V
Operation
Figure 6. Write cycle timing: RTC control signal waveforms
WRITE
tAVAV
WRITE
tAVAV
READ
tAVAV
ADDRESS
tAVEL
tAVEH
tELEH
tAVWH
tEHAX tWHAX
tAVQV
E
tGLQV
G
tEHDX
tAVWL
tWLWH
tWHQX
tWLQZ
W
DQ0-DQ7
DATA OUT
VALID
tEHQZ
tDVEH tDVWH
DATA IN
VALID
DATA IN
VALID
tWHDX
DATA OUT
VALID
Note:
EX is assumed high.
AI02641
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