Philips PTN3501 - Manual (Page 12)

Philips Semiconductors Product specification
PTN3501 Maintenance 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.