X5643 INTERSIL [Intersil Corporation], X5643 Datasheet - Page 14

• Manufacturer Part Number: X5643
• Description: CPU Supervisor with 64Kbit SPI EEPROM
• Manufacturer: INTERSIL [Intersil Corporation]

RESET/RESET Output Timing
V
V
TRIP
TRIP
Symbol
t
t
t
WDO
CST
RST
Set Conditions
Reset Conditions
V
SCK
*V
SI
CC
CS
CC
*
V
SCK
SI
> Programmed V
CS
CC
Watchdog time out period,
CS pulse width to reset the watchdog
Reset time out
WD1 = 1, WD0 = 0
WD1 = 0, WD0 = 1
WD1 = 0, WD0 = 0
14
TRIP
V
V
V
V
CC
TRIP
V
P
P
P
Parameter
t
VPS
t
VPS
t
VPS
t
t
TSU
VPS
X5643, X5645
t
P
t
P
t
THD
t
VPH
t
t
VPH
VPH
t
VP1
Min.
100
450
400
100
1
t
VPO
t
VPO
t
t
RP
VPO
t
VPO
t
RP
Typ.
200
600
200
1.4
Max.
300
800
300
2
Unit
sec
July 18, 2005
ms
ms
ms
ns
FN8135.1