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CAT1163 Datasheet(PDF) 4 Page - Catalyst Semiconductor

Part No. CAT1163
Description  Supervisory Circuit with I2C Serial CMOS EEPROM, Precision Reset Controller and Watchdog Timer
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Maker  CATALYST [Catalyst Semiconductor]
Homepage  http://www.catalyst-semiconductor.com
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 4 page
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4
CAT1163
Doc. No. 3003, Rev. C
RESET CIRCUIT CHARACTERISTICS
Symbol
Parameter
Min
Typ
Max
Units
tGLITCH
Glitch Reject Pulse Width
100
ns
VRT
Reset Threshold Hystersis
15
mV
VOLRS
Reset Output Low Voltage (IOLRS=1mA)
0.4
V
VOHRS
Reset Output High Voltage
VCC-0.75
V
Reset Threshold (VCC=5V)
4.50
4.75
(CAT1163-45)
Reset Threshold (VCC=5V)
4.25
4.50
(CAT1163-42)
Reset Threshold (VCC=3.3V)
3.00
3.15
(CAT1163-30)
Reset Threshold (VCC=3.3V)
2.85
3.00
(CAT1163-28)
Reset Threshold (VCC=3V)
2.55
2.70
(CAT1163-25)
tPURST
Power-Up Reset Timeout
130
270
ms
tWD
Watchdog Period
1.6
sec
tRPD
VTH to RESET Output Delay
5
Āµs
VRVALID
RESET Output Valid
1
V
V
TH
V




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