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| X1240 Datasheet, PDF (16/19 Pages) Xicor Inc. – Real Time Clock/Calendar with EEPROM | |||
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X1240
Write Cycle Timing
SCL
SDA
8th bit of last byte
ACK
tWC
Stop
Condition
Start
Condition
Power Up Timing
Symbol
tPUR(1)
tPUW(1)
Parameter
Time from Power Up to Read
Time from Power Up to Write
Min.
Typ(1)
Max.
1
5
Units
mS
mS
Notes: (1) Delays are measured from the time VCC is stable until the specified operation can be initiated. These parameters are periodically
sampled and not 100% tested.
(2) Typical values are for TA = 25ËC and VCC = 5.0V
Nonvolatile Write Cycle Timing
Symbol
tWC(1)
Parameter
Write Cycle Time
Min.
Typ.(1)
5
Max.
10
Units
mS
Notes: (1) tWC is the time from a valid stop condition at the end of a write sequence to the end of the self-timed internal nonvolatile write cycle.
It is the minimum cycle time to be allowed for any nonvolatile write by the user, unless Acknowledge Polling is used.
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