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MAX709RESA+

更新时间： 2024-11-30 06:38:23
品牌 Logo 应用领域
美信 - MAXIM 光电二极管
页数 文件大小 规格书
8页 177K
描述
Power Supply Support Circuit, Fixed, 1 Channel, CMOS, PDSO8, LEAD FREE, SOP-8

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MAX709RESA+ 数据手册

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19-0136; Rev. 2; 12/05  
Power-Supply Monitor with Reset  
_______________General Description  
___________________________Features  
♦ +5V, +3.3V, and +3V Versions  
The MAX709 provides a system reset during power-up,  
power-down, and brownout conditions. When VCC falls  
below the reset threshold, RESET goes low and holds  
the µP in reset for 140ms min after VCC rises above the  
threshold.  
♦ No External Components  
♦ Low Cost  
♦ Precise Power-Down Reset Threshold  
♦ 140ms Min Power-On Reset Delay  
♦ Immune to Short Negative VCC Transients  
♦ 8-Pin DIP, µMAX, and SO Packages  
The RESET output is guaranteed to be in the correct  
state with VCC down to 1V. The MAX709 provides  
excellent circuit reliability and low cost by eliminating  
external components and adjustments when used with  
+5V, +3.3V, or +3V powered systems. The MAX709 is  
available 8-pin DIP, µMAX, and SO packages.  
♦ Low Supply Current: 35µA - MAX709R/S/T  
65µA - MAX709L/M  
______________Ordering Information  
PART  
TEMP. RANGE  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
8 Plastic DIP  
8 µMAX  
MAX709_CPA  
MAX709_CUA  
MAX709_CSA  
MAX709_C/D  
MAX709_EPA  
MAX709_EUA  
MAX709_ESA  
8 SO  
Dice  
8 Plastic DIP  
8 µMAX  
_______________________Applications  
8 SO  
Minimum Component Count,  
Low-Cost Processor Systems  
Devices are available in both leaded and lead-free packaging.  
Specify lead free by adding the + symbol at the end of the part  
number when ordering.  
*Dice are specified at T = +25°C, DC parameters only.  
A
Note: This part offers a choice of five different reset threshold  
voltages. Select the letter corresponding to the desired  
nominal reset threshold voltage, and insert it into the  
blank to complete the part number.  
RESET THRESHOLD  
SUFFIX  
VOLTAGE (V)  
4.65  
L
M
T
__________Typical Operating Circuit  
4.40  
3.08  
S
2.93  
R
2.63  
__________________Pin Configuration  
V
V
CC  
CC  
µP  
TOP VIEW  
MAX709  
N.C.  
N.C.  
RESET  
N.C.  
RESET  
1
2
3
4
8
7
6
5
RESET  
V
CC  
MAX709  
GND  
N.C.  
GND  
GND  
N.C.  
DIP/SO/µMAX  
________________________________________________________________ Maxim Integrated Products  
1
Call toll free 1-800-998-8800 for free samples or literature.  
12345678

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MAX709RESA+ 替代型号

型号 品牌 替代类型 描述 数据表
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