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MAX6351

更新时间： 2024-10-29 14:57:31
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亚德诺 - ADI 监控微处理器
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双/三电压微处理器监控电路

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MAX6351 数据手册

 浏览型号MAX6351的Datasheet PDF文件第2页浏览型号MAX6351的Datasheet PDF文件第3页浏览型号MAX6351的Datasheet PDF文件第4页浏览型号MAX6351的Datasheet PDF文件第5页浏览型号MAX6351的Datasheet PDF文件第6页浏览型号MAX6351的Datasheet PDF文件第7页 
MAX6351–MAX6360  
Dual/Triple-Voltage  
μP Supervisory Circuits  
General Description  
Features  
● Precision Monitoring of Multiple +1.8V, +2.5V, +3.0V,  
+3.3V, and +5V Power-Supply Voltages  
The MAX6351–MAX6360 microprocessor (μP) supervi-  
sors with multiple reset voltages significantly improve  
system reliability and accuracy compared to separate ICs  
or discrete components. If any input supply voltage drops  
below its associated preset threshold, all reset outputs  
are asserted. In addition, the outputs are valid as long as  
either input supply voltage remains greater than +1.0V.  
● Precision Factory-Set Power-Supply  
Reset Thresholds  
● 20μA Supply Current  
● 100ms min Power-On-Reset Pulse Width  
● Debounced TTL/CMOS-Compatible  
Manual-Reset Input  
All devices in this series have an active-low debounced  
manual-reset input. In addition, the MAX6358/MAX6359/  
MAX6360 offer a watchdog timer input with a 46.4s startup  
timeout period and a 2.9s timeout period. The MAX6355/  
MAX6356/MAX6357 offer an additional voltage-monitor  
input to monitor a third voltage.  
● Watchdog Timer  
• 46.4s Startup Timeout  
• 2.9s Normal Timeout  
● Fully Guaranteed Over Temperature  
● Guaranteed RESET Valid to V 1 = 1V or V 2 = 1V  
● Power-Supply Transient Immunity  
CC  
CC  
The MAX6351 features two active-low, push-pull reset  
● No External Components for Dual-Voltage Systems  
● Small 5- and 6-Pin SOT23 Packages  
● Low Cost  
outputs, one is referenced to V 1 and the other is refer-  
CC  
enced to V 2. The MAX6353/MAX6356/MAX6359 offer  
CC  
an active-low, push-pull reset output referenced to VCC1.  
The MAX6354/MAX6357/MAX6360 offer an active-low,  
Applications  
● Computers  
● Intelligent Instruments  
● Multivoltage Systems  
push-pull reset output referenced to V 2.  
CC  
● Controllers  
All these devices are offered with a wide variety of voltage  
threshold levels, as shown in the Voltage-Threshold Levels table.  
They are available in 5- and 6-pin SOT23 packages and oper-  
ate over the extended (-40°C to +85°C) temperature range.  
● Portable/Battery-  
Powered Equipment  
Ordering Information  
Voltage Threshold Levels  
PART  
TEMP RANGE  
PIN-PACKAGE  
PART NO.  
SUFFIX  
(_ _)  
V
1 NOMINAL  
VOLTAGE  
V
2 NOMINAL  
VOLTAGE  
CC  
CC  
MAX6351_ _UT-T  
MAX6352_ _UK-T  
MAX6353_ _UK-T  
MAX6354_ _UK-T  
MAX6355_ _UT-T  
MAX6356_ _UT-T  
MAX6357_ _UT-T  
MAX6358_ _UT-T  
MAX6359_ _UT-T  
MAX6360_ _UT-T  
-40°C to +85°C  
6 SOT23  
5 SOT23  
5 SOT23  
5 SOT23  
6 SOT23  
6 SOT23  
6 SOT23  
6 SOT23  
6 SOT23  
6 SOT23  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
THRESHOLD (V)  
THRESHOLD (V)  
LT  
LS  
LR  
MT  
MS  
MR  
TZ  
TY  
TW  
TV  
4.63  
4.63  
4.63  
4.38  
4.38  
4.38  
3.08  
3.08  
3.08  
3.08  
2.93  
2.93  
2.93  
2.93  
2.78  
2.78  
2.63  
2.63  
3.08  
2.93  
2.63  
3.08  
2.93  
2.63  
2.32  
2.19  
1.67  
1.58  
2.32  
2.19  
1.67  
1.58  
1.67  
1.58  
1.67  
1.58  
*The _ _ are placeholders for the threshold voltage levels of  
the devices. Substitute the part number suffix in the Voltage  
Threshold Levels table for the desired voltage level. All devices  
are available in tape-and-reel only. There is a 2500 piece  
minimum order increment for the SOT package.  
SZ  
SY  
SW  
SV  
UW  
UV  
RW  
RV  
Devices are available in both leaded and lead(Pb)-free packag-  
ing. Specify lead-free by replacing “-T” with “+T” when ordering.  
Pin Configurations appear at end of data sheet.  
Selector Guide appears at end of data sheet.  
Note: Standard versions are shown in bold. Sample stock is  
generally held on the standard versions only. Contact factory for  
availability.  
19-1508; Rev 7; 5/14  
1234567...11

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