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Philips Semiconductors Product specification
PTN3501Maintenance and control device
2001 Jan 17
12
POWER-UP TIMING
SYMBOL PARAMETER MAX. UNIT
t
PUR
1
Power-up to Read Operation 1 ms
t
PUW
1
Power-up to Write Operation 5 ms
NOTE:
1. t
PUR
and t
PUW
are the delays required from the time V
CC
is stable until the specified operation can be initiated. These parameters are
guaranteed by design.
WRITE CYCLE LIMITS
SYMBOL PARAMETER MIN. TYP.
(5)
MAX. UNIT
t
WR
1
Write Cycle Time – 5 10 ms
NOTE:
1. t
WR
is the maximum time that the device requires to perform the internal write operation.
Write Cycle Timing
SCL
SDA
8th Bit
Word n
ACK
Stop
Condition
Start
Condition
MEMORY
ADDRESS
t
WR
SW00560
Figure 20.