X46402 Datasheet, PDF (18/23 Pages) Xicor Inc. – Dual Voltage CPU Supervisor with 64K Password Protected EEPROM

X46402
Preliminary Information
RESET AC SPECIFICATIONS
Nonvolatile Write Cycle Timing
Symbol
t_WC(1)
Parameter
Write Cycle Time
Min.
Typ.(1)
5
Max.
10
Units
mS
Notes: 1. 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.
TIMING DIAGRAMS
Bus Timing
t_R
SCL
t_SU:STA
SDA IN
SDA OUT
t_F
t_HIGH
t_SU:DAT
t_HD:STA
t_LOW
t_HD:DAT
t_AA t_DH
t_SU:STO
t_BUF
Write Cycle Timing
SCL
SDA
8th bit of last byte
ACK
t_WC
Stop
Condition
Start
Condition
18