X4003 Datasheet, PDF (12/17 Pages) Xicor Inc. – CPU Supervisor

X4003, X4005
TIMING DIAGRAMS
Bus Timing
SCL
SDA IN
t_SU:STA
t_F
t_HIGH
t_SU:DAT
t_HD:STA
t_LOW
t_HD:DAT
SDA OUT
t_R
t_A
t_DH
WP Pin Timing
SCL
SDA IN
WP
Start
Clk 1
Slave Address Byte
Clk 9
t_SU:WP
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
t_WC(7)
Parameter
Write cycle time
Min.
Typ.⁽¹⁾
5
Max.
10
Unit
ms
Note: (7) 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
FN8113.0
March 15, 2005