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Part Name
Description
X5643 View Datasheet(PDF) - Xicor -> Intersil
Part Name
Description
Manufacturer
X5643
CPU Supervisor with 64Kbit SPI EEPROM
Xicor -> Intersil
X5643 Datasheet PDF : 19 Pages
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X5643/X5645
RESET/RESET Output Timing
Symbol
t
WDO
t
CST
t
RST
Parameter
Watchdog time out period,
WD1 = 1, WD0 = 0
WD1 = 0, WD0 = 1
WD1 = 0, WD0 = 0
CS pulse width to reset the watchdog
Reset time out
V
TRIP
Set Conditions
Min.
100
450
1
400
100
Typ.
200
600
1.4
200
V
CC
V
TRIP
t
THD
t
TSU
t
RP
t
VPS
t
P
t
VPH
CS
SCK
SI
t
VPS
t
VPH
t
VPO
V
P
V
P
t
VPO
Max.
300
800
2
300
Unit
ms
ms
sec
ns
ms
V
TRIP
Reset Conditions
V
CC
*
CS
SCK
SI
V
CC
V
P
t
RP
t
VPS
t
P
t
VP1
t
VPS
t
VPH
t
VPO
t
VPO
*V
CC
> Programmed V
TRIP
REV 1.1.1 3/5/01
www.xicor.com
Characteristics subject to change without notice.
14 of 19
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