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CAT93C4621 Datasheet(PDF) 5 Page - Catalyst Semiconductor

Part # CAT93C4621
Description  Supervisory Circuits with Microwire Serial CMOS E2PROM, Precision Reset Controller and Watchdog Timer
PDF  10 Pages
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Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT93C4621 Datasheet(HTML) 5 Page - Catalyst Semiconductor

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9-89
CAT93CXXXX
Stock No. 21084-01 2/98
Advanced Information
Figure 1. RESET Output Timing
Symbol
Parameter
Min.
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
(93CXXXX-45)
Reset Threshold (Vcc=5V)
4.25
4.50
(93CXXXX-42)
Reset Threshold (Vcc=3.3V)
3.00
3.15
(93CXXXX-30)
Reset Threshold (Vcc=3.3V)
2.85
3.00
(93CXXXX-28)
Reset Threshold (Vcc=3V)
2.55
2.70
(93CXXXX-25)
tPURST
Power-Up Reset Timeout
130
270
ms
tRPD
VTH to RESET Output Delay
5
µs
VRVALID
RESET Output Valid
1
V
RESET CIRCUIT CHARACTERISTICS
VTH
V
GLITCH
t
VCC
PURST
t
PURST
t
RPD
t
RVALID
V
V
TH
RESET
RESET
RPD
t



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