X4003-05 Datasheet, PDF (12/16 Pages) Intersil Corporation – Selectable watchdog timer

X4003, X4005
Timing Diagrams
Bus Timing
t_F
t_HIGH
t_LOW
t_R
SCL
SDA IN
t_SU:STA
t_HD:STA
t_SU:DAT
SDA OUT
t_HD:DAT
t_A
t_DH
WP Pin Timing
SCL
SDA IN
WP
START
t_SU:WP
CLK 1
SLAVE ADDRESS BYTE
CLK 9
t_HD:WP
t_SU:STO
t_BUF
Write Cycle Timing
SCL
SDA
8^TH BIT OF LAST BYTE
ACK
t_WC
STOP
CONDITION
START
CONDITION
Nonvolatile Write Cycle Timing
SYMBOL
PARAMETER
TYP
MIN
(Note 1)
MAX
UNIT
t_WC (Note 6)
Write Cycle Time
5
10
ms
NOTE:
6. t_WC 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.
12
FN8113.2
June 30, 2008