X40626 Datasheet, PDF (18/23 Pages) Xicor Inc. – Dual Voltage CPU Supervisor with 64K Serial EEPROM

X40626
Power-Up and Power-Down Timing
V_TRIP/V_TRIP2
V_CC/V2MON
0 Volts
t_PURST
t_PURST
t_F
t_R
t_RPD
RESET/V2FAIL
V_RVALID
RESET Output Timing
Symbol
Parameter
t_PURST
t_RPD⁽⁸⁾
t_F⁽⁸⁾
t_R⁽⁸⁾
V_RVALID⁽⁸⁾
V_TRIP Range
Power-up Reset Timeout
V_CC Detect to Reset/Output (Falling Edge)
V_CC/V2MON Fall Time
V_CC/V2MON Rise Time
Reset Valid V_CC or V2FAIL Valid V2MON
Voltage Range over which V_TRIP/V_TRIP2 can be set
Notes: (8) This parameter is periodically sampled and not 100% tested.
SDA vs. RESET Timing
Start
SCL
Timer Start
SDA
Start
t_RSP
< t_WDO
Min.
100
100
100
1.0
2.0
RESET
Timer Start
Timer
Restart
Typ.
200
Max.
400
500
V_CC
Units
ms
ns
µs
µs
V
V
t_RST t_WDO t_RST
REV 1.1.15 2/11/04
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Characteristics subject to change without notice. 18 of 23