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MAX809SN438T1

更新时间： 2024-11-27 23:51:55
品牌 Logo 应用领域
美信 - MAXIM 模拟IC光电二极管
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8页 59K
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Analog IC

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MAX809SN438T1 数据手册

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MAX809  
Very Low Supply Current  
3-Pin Microprocessor  
Reset Monitors  
The MAX809 is a cost–effective system supervisor circuit designed  
to monitor VCC in digital systems and provide a reset signal to the host  
processor when necessary. No external components are required.  
The reset output is driven active within 10 µsec of VCC falling  
through the reset voltage threshold. Reset is maintained active for a  
minimum of 140 msec after VCC rises above the reset threshold. The  
MAX809 has an active–low RESET output. The output of the  
MAX809 is guaranteed valid down to VCC = 1.0 V. This device is  
available in a SOT–23 package.  
http://onsemi.com  
MARKING  
DIAGRAM  
3
3
SOT–23  
(TO–236)  
CASE 318  
xxxM  
2
1
2
1
The MAX809 is optimized to reject fast transient glitches on the VCC  
line. Low supply current of 1.0 µA (VCC = 3.2 V) make this device  
suitable for battery powered applications.  
xxx = Specific Device Code  
= Monthly Date Code  
M
Features  
• Precision VCC Monitor for 2.5 V, 3.0 V, 3.3 V, and 5.0 V Supplies  
• Precision Monitoring Voltages from 1.6 V to 4.9 V Available  
in 100 mV Steps  
PIN CONFIGURATION  
1
GND  
• 140 msec Guaranteed Minimum RESET Output Duration  
• RESET Output Guaranteed to VCC = 1.0 V  
• Low 1.0 µA Supply Current  
V
CC  
3
• VCC Transient Immunity  
• Small SOT–23 Package  
RESET  
2
• No External Components  
• Wide Operating Temperature: –40°C to 105°C  
SOT–23*  
(Top View)  
Typical Applications  
NOTE: *SOT–23 is equivalent to JEDEC (TO–236)  
• Computers  
• Embedded Systems  
• Battery Powered Equipment  
• Critical µP Power Supply Monitoring  
ORDERING INFORMATION  
Device  
Package  
Shipping  
MAX809xTR  
SOT–23 3000/Tape & Reel  
V
CC  
MAX809SNxxxT1 SOT–23 3000/Tape & Reel  
V
CC  
V
CC  
PROCESSOR  
NOTE: The “x” and “xxx” denotes a suffix for V voltage  
cc  
threshold options – see page 6 for more details.  
MAX809  
RESET  
RESET  
INPUT  
DEVICE MARKING INFORMATION  
See general marking information in the device marking  
section on page 6 of this data sheet.  
GND  
GND  
Figure 1. Typical Application Diagram  
Semiconductor Components Industries, LLC, 2001  
1
Publication Order Number:  
February, 2001 – Rev. 6  
MAX809/D  
12345678

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