參數(shù)資料
型號: CAT811
英文描述: 4-Pin Microprocessor Power Supply Supervisors
中文描述: 4引腳微處理器電源監(jiān)控
文件頁數(shù): 8/11頁
文件大?。?/td> 59K
代理商: CAT811
8
CAT811, CAT812
Doc. No. 3005, Rev. P
Patent Pending
VALID RESET WITH V
CC
UNDER 1.0 V
To ensure that the CAT811
RESET
pin is in a known state when V
CC
is under 1.0 V, a 100 k
pull-down resistor
between
RESET
pin and GND is recommended; the value is not critical. For the CAT812, a pull-up resistor from
RESET pin to V
CC
is needed.
BI-DIRECTIONAL RESET PIN INTERFACING
The CAT811/812 can interface with
μ
P/
μ
C bi-directional reset pins by connecting a 4.7 k
resistor in series with the
CAT811/812 reset output and the
μ
P/
μ
C bi-directional reset pin.
CAT811
GND
VCC
100k
Power
Supply
RESET
CAT812
GND
VCC
100k
Power
Supply
RESET
FIGURE 3.
RESET
Valid with VCC Under 1.0 V
FIGURE 4. RESET Valid with VCC Under 1.1 V
FIGURE 5. Bi-directional Reset Pin Interfacing
CAT811
GND
VCC
4.7k
Power
Supply
RESET
Buffered
RESET
BUF
RESET
INPUT
GND
Bi-directional I/O Pin
μP
(For example: 68HC11)
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