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CAT803LSDIT3 数据表(PDF) 7 Page - Catalyst Semiconductor

部件名 CAT803LSDIT3
功能描述  3-Pin Microprocessor Power Supply Supervisors
PDF  14 Pages
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制造商  CATALYST [Catalyst Semiconductor]
网页  http://www.catalyst-semiconductor.com
标志 CATALYST - Catalyst Semiconductor

CAT803LSDIT3 数据表(HTML) 7 Page - Catalyst Semiconductor

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CAT803, CAT809, CAT810
7
Doc No. 3004, Rev. X
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
VALID RESET WITH VCC unDER 1.0V
To ensure that the CAT809 RESET pin is in a known
state when VCCisunder1.0V,a>10kΩpull-downresistor
between RESET pin and GND is recommended. For
the CAT810, a pull-up resistor from RESET pin to VCC
is needed.
CAT809
GND
10k
Ω
Power
Supply
RESET
CAT810
GND
10kΩ
Power
Supply
RESET
VCC
VCC
Figure 3. reSeT Valid with VCC under 1.0V
figure 4. RESET Valid with VCC under 1.1V
figure 5. bi-directional Reset Pin Interfacing
CAT809
GND
VCC
Power
Supply
RESET
Buffered
RESET
BUF
RESET
INPUT
GND
Bi-directional
I/O Pin
µP
(For example:
68HC11)
VCC
bI-DIRECTIOnAL RESET PIn InTERfACInG
The CAT809/80 can interface with µP/µC bi-directional
reset pins by connecting a 4.7kΩ resistor in series with
theCAT809/80resetoutputandtheµP/µCbi-directional
reset pin.



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