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NJU7295F1-D PDF预览

NJU7295F1-D

更新时间: 2024-09-25 00:54:27
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NJRC /
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10页 357K
描述
SYSTEM RESET IC WITH DELAY CIRCUIT

NJU7295F1-D 数据手册

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NJU7295  
SYSTEM RESET IC WITH DELAY CIRCUIT  
GENERALDESCRIPTION  
PACKAGE OUTLINE  
The NJU7295 is a system reset IC with built-in delay circuit that  
monitors the status of a power line, and outputs a reset signal to  
the microcomputer.  
The NJU7295 outputs a reset signal when exceeds the detection  
voltage. Therefore it is possible to control the microcomputer by  
detecting a rising edge of a power line.  
NJU7295F1  
Delay times are fixed internally and those are set in each of rising  
and falling.  
It is possible to monitor multiplex power line by combination of  
NJU7295 because output voltage VOUT is kept High level when  
EXTPin is Low level by connecting with other NJU7295.  
Detection voltage’s default value is 1.0V. It can be adjusted to  
desired voltage by the resistor divider.  
In addition, a hysteresis voltage can be set arbitrarily by inserting a  
resistor between the VIN pin and the HYS pin.  
FEATURES  
High Precision Detection Voltage  
Detection Voltage  
1.0% (Ta=25 C)  
1.0V (default) and adjustable with external resistor  
Reset Output Logic  
Reset Low output when VIN pin is detection voltage or more  
*If required reset low output when VIN pin is detection voltage or below, see the  
NJU7296.  
Delay Circuit (Internal Fixed type) Rising / Falling independent setting  
Ultra Low Quiescent Current  
Supply Voltage Range  
External Input Pin  
1.7µAtyp.  
1.5 to 5.5V  
While inputting low signal, keep output High level  
Adjustable Hysteresis Voltage  
OutputType  
Package  
CMOS output  
SOT-23-6-1  
PIN CONFIGURATION  
Pin Function  
1. VIN  
2. VSS  
Input Voltage Pin  
Ground Pin  
1
2
3
6
5
4
VIN  
VSS  
HYS  
VOUT  
VDD  
3. EXT External Input Pin  
4. VDD Supply Voltage Pin  
5. VOUT Output Pin  
EXT  
6. HYS External Resistor Pin for setting Hysteresis Voltage  
Ver.2015-11-11  
- 1 -  

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