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MAX6327

更新时间： 2023-12-20 18:44:56
品牌 Logo 应用领域
亚德诺 - ADI 复位电路微处理器
页数 文件大小 规格书
7页 656K
描述
3引脚、SC70/SOT封装、超低功耗的微处理器复位电路

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中文翻译

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MAX6327 数据手册

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MAX6326/MAX6327/  
MAX6328/MAX6346/  
MAX6347/MAX6348  
3-Pin, Ultra-Low-Power SC70/SOT  
μP Reset Circuits  
General Description  
Features  
● Ultra-Low 1µA (max) Supply Current  
The MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/  
MAX6348 microprocessor (µP) supervisory circuits moni-  
tor the power supplies in µP and digital systems. These  
devices provide excellent circuit reliability and low cost by  
eliminating external components and adjustments when  
used with 2.5V, 3V, 3.3V, and 5V powered circuits.  
(MAX6326/MAX6327/MAX6328)  
● Precision Monitoring of 2.5V, 3V, 3.3V, and 5V  
Power-Supply Voltages  
● Reset Thresholds Available from 2.2V to 4.63V  
● Fully Specified Over Temperature  
● 100ms (min) Power-On Reset Pulse Width  
● Low Cost  
These circuits perform a single function: they assert a  
reset signal whenever the V  
below a preset threshold, keeping it asserted for at least  
supply voltage declines  
CC  
● Available in Three Versions: Push-Pull RESET,  
Push-Pull RESET, and Open-Drain RESET  
● Power-Supply Transient Immunity  
100ms after V has risen above the reset threshold.  
CC  
The only difference between the devices is their out-  
put. The MAX6326/MAX6346 (push-pull) and MAX6328/  
MAX6348 (open-drain) have an active-low reset output.  
The MAX6327/MAX6347 have an active-high push-pull  
reset output. All of these parts are guaranteed to be in the  
● No External Components  
● 3-Pin SC70/SOT23 Packages  
● Pin Compatible with MAX803/MAX809/MAX810  
correct state for V  
down to 1V. The reset comparator is  
CC  
designed to ignore fast transients on V . Reset thresh-  
Ordering Information  
CC  
olds are factory-trimmable between 2.2V and 4.63V, in  
approximately 100mV increments. Twenty-one standard  
versions are available. Contact the factory for availability  
of nonstandard versions.  
PART†  
TEMP. RANGE  
-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  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
3 SC70-3  
MAX6326XR_ _-T  
MAX6326UR_ _-T  
MAX6327XR_ _-T  
MAX6327UR_ _-T  
MAX6328XR_ _-T  
MAX6328UR_ _-T  
MAX6346XR_ _-T  
MAX6346UR_ _-T  
MAX6347XR_ _-T  
MAX6347UR_ _-T  
MAX6348XR_ _-T  
MAX6348UR_ _-T  
3 SOT23-3  
3 SC70-3  
Ultra-low supply currents (1µA max for the MAX6326/  
MAX6327/MAX6328) make these parts ideal for use in  
portable equipment. All six devices are available in space-  
saving SOT23 and SC70 packages.  
3 SOT23-3  
3 SC70-3  
3 SOT23-3  
3 SC70-3  
Applications  
● Computers  
Power Monitoring  
● Portable/Battery-Powered  
Equipment  
3 SOT23-3  
3 SC70-3  
● Intelligent Instruments  
● Controllers  
3 SOT23-3  
3 SC70-3  
● Critical µP and µC  
Pin Configuration  
3 SOT23-3  
TOP VIEW  
†The MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/  
MAX6348 are available in factory-set V reset thresholds  
CC  
GND  
1
from 2.2V to 4.63V, in approximately 0.1V increments. Choose  
the desired reset-threshold suffix from Table 1 and insert it in  
the blank spaces following “R”. There are 21 standard ver-  
sions with a required order increment of 2500 pieces. Sample  
stock is generally held on the standard versions only (see the  
Selector Guide). Required order increment is 10,000 pieces for  
nonstandard versions (Table 2). Contact factory for availability.  
All devices available in tape-and-reel only.  
MAX6326  
MAX6327  
MAX6328  
MAX6346  
MAX6347  
MAX6348  
3
V
CC  
(RESET) RESET  
2
Devices are available in both leaded and lead-free packaging.  
Specify lead-free by replacing “-T” with “+T” when ordering.  
SOT23-3/SC70-3  
( ) ARE FOR THE MAX6327/MAX6347.  
Selector Guide appears at end of data sheet.  
19-1294; Rev 5; 4/14  
1234567

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