X40430/X40431 – Preliminary Information
WP Pin Timing
START
SCL
Clk 1
Clk 9
Slave Address Byte
SDA IN
WP
t
t
HD:WP
SU:WP
Write Cycle Timing
SCL
8th Bit of Last Byte
ACK
SDA
t
WC
Stop
Start
Condition
Condition
Nonvolatile Write Cycle Timing
Symbol
Parameter
Write Cycle Time
Min.
Typ.
Max.
10
Unit
(1)
t
5
ms
WC
Note: (1) t
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.
WC
It is the minimum cycle time to be allowed for any nonvolatile write by the user, unless Acknowledge Polling is used.
Power Fail Timings
V
TRIPX
t
t
RPDL
RPDL
V
CC
t
RPDX
t
V2MON or
V3MON
RPDX
t
t
RPDL
RPDX
t
F
LOWLINE or
V2FAIL or
t
R
V
RVALID
V3FAIL
X = 2, 3
Characteristics subject to change without notice. 18 of 24
REV 1.2.3 11/28/00
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