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| X5163S8IZT1 Datasheet, PDF (15/22 Pages) Intersil Corporation – Selectable watchdog timer | |||
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X5163, X5165
RESET Output Timing
SYMBOL
PARAMETER
VTRIP
Reset Trip Point Voltage, X5163-4.5A, X5163-4.5A
Reset Trip Point Voltage, X5163, X5165
Reset Trip Point Voltage, X5163-2.7A, X5165-2.7A
Reset Trip Point Voltage, X5163-2.7, X5165-2.7
VTH
VTRIP Hysteresis (HIGH to LOW vs. LOW to HIGH VTRIP voltage)
tPURST
Power-up Reset Time Out
tRPD(5)
VCC Detect to Reset/Output
tF(5)
VCC Fall Time
tR(5)
VCC Rise Time
VRVALID
Reset Valid VCC
NOTES:
5. This parameter is periodically sampled and not 100% tested.
6. Typical values not tested.
CS/WDI
RESET
tCST
tWDO
tRST
tWDO
MIN
TYP
MAX UNIT
4.5
4.63
4.75
V
4.25
4.38
4.5
2.85
2.92
3.0
2.55
2.63
2.7
20
mV
100
200
280
ms
500
ns
100
µs
100
µs
1
V
tRST
RESET
FIGURE 12. CS/WDI VS. RESET/RESET TIMING
RESET/RESET Output Timing
SYMBOL
PARAMETER
tWDO
Watchdog Time Out Period,
WD1 = 1, WD0 = 0
WD1 = 0, WD0 = 1
WD1 = 0, WD0 = 0
tCST
CS Pulse Width to Reset the Watchdog
tRST
Reset Time Out
MIN
TYP
100
200
450
600
1
1.4
400
100
200
MAX
300
800
2
300
UNIT
ms
ms
sec
ns
ms
Submit Document Feedback 15
FN8128.4
August 13, 2015
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