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MAX6467US16D3

更新时间： 2024-11-24 03:09:51
品牌 Logo 应用领域
美信 - MAXIM 微处理器复位电路监控
页数 文件大小 规格书
9页 265K
描述
Microprocessor Supervisory Reset Circuits with Edge-Triggered, One-Shot Manual Reset

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MAX6467US16D3 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete包装说明：SOT-143, 4 PIN
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.44其他特性：RESET THRESHOLD VOLTAGE IS 1.575 VOLTS
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G4JESD-609代码：e0
长度：2.92 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：4最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：LSOP封装等效代码：TO-253
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：1.2/5.5 V
认证状态：Not Qualified座面最大高度：1.22 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.013 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：1 V
标称供电电压 (Vsup)：1.8 V表面贴装：YES
技术：BICMOS温度等级：AUTOMOTIVE
端子面层：Tin/Lead (Sn85Pb15)端子形式：GULL WING
端子位置：DUAL阈值电压标称：+1.575V
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.3 mm
Base Number Matches：1

MAX6467US16D3 数据手册

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19-2523; Rev 0; 7/02  
Microprocessor Supervisory Reset Circuits  
with Edge-Triggered, One-Shot Manual Reset  
General Description  
Features  
The MAX6467/MAX6468 microprocessor (µP) supervi-  
sory circuits monitor single power-supply voltages from  
+1.8V to +5.0V and assert a reset if the supply voltage  
drops below its preset threshold. An edge-triggered,  
one-shot manual reset function ensures that the µP  
enters the reset mode for a fixed timeout period only,  
even in the event of a continuously asserted manual  
reset. The MAX6467/MAX6468 significantly improve  
system reliability compared to traditional manual reset  
supervisory circuits.  
ꢀ Precision Factory-Set Reset Threshold Voltages  
for +5.0V, +3.3V, +3.0V, +2.5V, and +1.8V Supplies  
ꢀ Edge-Triggered Manual Reset Input with One-  
Shot Pulsed Reset Output  
ꢀ Two Reset Timeout Period Options (150ms or  
1200ms min)  
ꢀ Immune to Short Voltage Transients  
ꢀ Low Supply Current (3µA at V  
= +1.8V)  
CC  
A variety of factory-trimmed threshold options accommo-  
date different supply voltages and tolerances, eliminating  
external components. The factory-set thresholds range  
from +1.575V to +4.625V to monitor +5.0V, +3.3V, +3.0V,  
+2.5V, and +1.8V supplies with various tolerances. Reset  
timeout periods of 150ms (min) and 1200ms (min) are  
available to accommodate different µP platforms.  
ꢀ RESET Valid to V  
= +1V  
CC  
ꢀ Active-Low Open-Drain and Push-Pull RESET  
Output Options  
ꢀ -40°C to +125°C Operating Temperature Range  
ꢀ Small 4-Pin SC70 and SOT143 Packages  
ꢀ No External Components Required  
A single, active-low RESET output asserts when V  
CC  
drops below its threshold or if the edge-triggered MR  
asserts low. RESET remains low for the reset timeout  
ꢀ Pin Compatible with MAX811, MAX6315,  
period after V  
rises above its threshold and for a fixed,  
CC  
MAX6384, and MAX6386  
one-shot timeout period after a manual reset input falling  
edge. RESET remains valid as long as V remains  
CC  
Ordering Information  
above +1V. Open-drain (MAX6467) and push-pull  
(MAX6468) output options provide additional flexibility in  
the system design.  
PART  
MAX6467XS_ _D_-T -40°C to +125°C  
MAX6467US_ _D_-T -40°C to +125°C  
MAX6468XS_ _D_-T -40°C to +125°C  
MAX6468US_ _D_-T -40°C to +125°C  
TEMP RANGE  
PIN-PACKAGE  
4 SC70-4  
4 SOT143-4  
4 SC70-4  
The MAX6467/MAX6468 are offered in the space-saving  
4-pin SOT143 package and the ultra-small 4-pin SC70  
package and are specified over the automotive (-40°C to  
+125°C) temperature range.  
4 SOT143-4  
Note: Insert reset threshold suffix (see Reset Threshold table)  
after XS or US. Insert reset timeout delay (see Reset Timeout  
Delay table) after D to complete the part number. Sample stock  
is generally held on standard versions only (see Standard  
Versions table). Standard versions have an order increment  
requirement of 2500 pieces. Nonstandard versions have an  
order increment requirement of 10,000 pieces. Contact factory  
for availability.  
Applications  
Cell Phones/PDAs  
Embedded Control Systems  
Industrial Equipment  
Automotive Products  
Portable/Battery-Powered Equipment  
Medical Devices  
Pin Configurations  
TOP VIEW  
DSL Modems  
GND  
1
2
4
3
V
CC  
MP3 Players  
MAX6467XS  
MAX6468XS  
GPS Systems  
MR  
RESET  
Digital Cameras  
SC70  
Pin Configurations continued at end of data sheet.  
Typical Operating Circuit appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...9

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