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MAX6304

更新时间: 2023-12-20 18:45:11
品牌 Logo 应用领域
亚德诺 - ADI 监控微处理器
页数 文件大小 规格书
12页 160K
描述
+5V、低功耗、微处理器监控电路,带有可调节的复位/看门狗定时器

MAX6304 数据手册

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19-1078; Rev 4; 9/10  
+5V, Low-Power µP Supervisory Circuits  
with Adjustable Reset/Watchdog  
1–MAX6304  
_______________General Description  
____________________________Features  
o Adjustable Reset Threshold  
The MAX6301–MAX6304* low-power microprocessor  
(µP) supervisory circuits provide maximum adjustability  
for reset and watchdog functions. The reset threshold  
can be adjusted to any voltage above 1.22V, using  
external resistors. In addition, the reset and watchdog  
timeout periods are adjustable using external capaci-  
tors. A watchdog select pin extends the watchdog time-  
out period to 500x. The reset function features immunity  
to power-supply transients.  
o Adjustable Reset Timeout  
o Adjustable Watchdog Timeout  
o 500x Watchdog Timeout Multiplier  
o 4µA Supply Current  
o RESET or RESET Output Options  
o Push-Pull or Open-Drain Output Options  
o Guaranteed RESET Asserted At or Above  
These four devices differ only in the structure of their reset  
outputs (see the Selector Guide). The MAX6301–MAX6304  
are available in the space-saving 8-pin µMAX® package,  
as well as 8-pin PDIP and SO packages.  
V
CC  
= 1V (MAX6301/MAX6303)  
o Power-Supply Transient Immunity  
o Watchdog Function can be Disabled  
o PDIP/SO/µMAX Packages Available  
Applications  
Embedded Controllers  
Medical Equipment  
Intelligent Instruments Critical µP Monitoring  
Ordering Information  
Portable Equipment  
Set-Top Boxes  
Computers  
PART  
TEMP RANGE  
PIN-PACKAGE  
Battery-Powered  
MAX6301CPA  
0°C to +70°C  
8 PDIP  
Computers/Controllers  
MAX6301CSA  
MAX6301CUA  
MAX6301EPA  
MAX6301ESA  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
8 SO  
Selector Guide  
FEATURE MAX6301 MAX6302 MAX6303 MAX6304  
8 µMAX  
8 PDIP  
8 SO  
Active-Low  
Reset  
Devices are available in both leaded and lead(Pb)-free/RoHS-  
compliant packaging. Specify lead-free by adding the “+  
symbol at the end of the part number when ordering.  
Active-High  
Reset  
Ordering Information continued at end of data sheet.  
Open-Drain  
Reset Output  
Push-Pull  
Reset Output  
Typical Operating Circuit  
V
IN  
8-PDIP/SO/ 8-PDIP/SO/ 8-PDIP/SO/ 8-PDIP/SO/  
µMAX µMAX µMAX µMAX  
Pin-Package  
MAX6301  
ONLY  
R1  
R2  
Pin Configuration  
1
2
8
7
R
L
V
RESET IN  
GND  
CC  
TOP VIEW  
0.1µF  
V
RESET IN  
1
2
3
4
8
7
6
5
CC  
RESET  
(RESET)  
RESET  
RESET (RESET)  
GND  
SRT  
MAX6301  
MAX6302  
MAX6303  
MAX6304  
WDI  
µP  
MAX6301  
R
L
MAX6302  
ONLY  
MAX6302  
MAX6303  
MAX6304  
WDS  
3
4
WDI  
6
5
SWT  
SRT  
I/O  
SWT  
WDS  
DIP/SO/µMAX  
C
C
SWT  
SRT  
( ) ARE FOR MAX6302/MAX6304.  
WDS = 0 FOR NORMAL MODE  
WDS = 1 FOR EXTENDED MODE  
( ) ARE FOR MAX6302/MAX6304.  
µMAX is a registered trademark of Maxim Integrated Products, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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