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X5043 Datasheet(PDF) 13 Page - Xicor Inc.

Part # X5043
Description  CPU Supervisor with 4K SPI EEPROM
PDF  20 Pages
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Manufacturer  XICOR [Xicor Inc.]
Direct Link  http://www.xicor.com
Logo XICOR - Xicor Inc.

X5043 Datasheet(HTML) 13 Page - Xicor Inc.

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X5043/X5045
Characteristics subject to change without notice.
13 of 20
REV 1.1.2 5/29/01
www.xicor.com
Power-Up and Power-Down Timing
RESET Output Timing
Note:
(5) This parameter is periodically sampled and not 100% tested.
CS/WDI vs. RESET/RESET Timing
RESET/RESET Output Timing
Symbol
Parameter
Min.
Typ.
Max.
Unit
VTRIP
Reset Trip Point Voltage, (-4.5A)
Reset Trip Point Voltage, (Blank)
Reset Trip Point Voltage, (-2.7A)
Reset Trip Point Voltage, (-2.7)
4.5
4.25
2.85
2.55
4.62
4.38
2.92
2.62
4.75
4.5
3.0
2.7
V
tPURST
Power-up Reset Time Out
100
200
400
ms
tRPD
(5)
VCC Detect to Reset/Output
500
ns
tF
(5)
VCC Fall Time
10
µs
tR
(5)
VCC Rise Time
0.1
ns
VRVALID
Reset Valid VCC
1V
Symbol
Parameter
Min.
Typ.
Max.
Unit
tWDO
Watchdog Time Out Period,
WD1 = 1, WD0 = 0
WD1 = 0, WD0 = 1
WD1 = 0, WD0 = 0
100
450
1
200
600
1.4
300
800
2
ms
ms
sec
tCST
CS Pulse Width to Reset the Watchdog
400
ns
tRST
Reset Time Out
100
200
400
ms
VCC
tPURST
tF
tRPD
RESET (X5043)
0 Volts
VTRIP
RESET (X5045)
VTRIP
tPURST
tR
CS/WDI
tCST
RESET
RESET
tWDO
tRST
tWDO
tRST



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