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MAX820SCSE+

更新时间： 2024-09-28 18:26:51
品牌 Logo 应用领域
美信 - MAXIM 输入元件光电二极管
页数 文件大小 规格书
16页 356K
描述
Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO16, 0.150 INCH, LEAD FREE, MS-012AC, SOIC-16

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MAX820SCSE+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP16,.25针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：7.56其他特性：RESET THRESHOLD VOLTAGE IS 2.91V; MANUAL RESET INPUT
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：9.9 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：16最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：3/5 V
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.15 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.75 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
端子面层：TIN端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

MAX820SCSE+ 数据手册

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19-0147; Rev. 4; 11/05  
Microprocessor and Nonvolatile  
Memory Supervisory Circuits  
General Description  
Features  
The MAX792/MAX820 microprocessor (µP) supervisory  
circuits provide the most functions for power-supply  
and watchdog monitoring in systems without battery  
backup. Built-in features include the following:  
♦ Manual-Reset Input  
♦ 200ms Power-OK/Reset Time Delay  
♦ Independent Watchdog Timer—Preset or Adjustable  
♦ On-Board Gating of Chip-Enable Signals  
♦ Memory Write-Cycle Completion  
• µP reset: Assertion of RESET and RESET outputs during  
power-up, power-down, and brownout conditions.  
RESET is guaranteed valid for VCC down to 1V.  
♦ 10ns (max) Chip-Enable Gate Propagation Delay  
♦ Voltage Monitor for Overvoltage Warning  
• Manual-reset input.  
• Two-stage power-fail warning: A separate low-line  
comparator compares VCC to a preset threshold  
120mV above the reset threshold; the low-line and  
reset thresholds can be programmed externally.  
♦
2% Reset and Low-Line Threshold Accuracy  
(MAX820, external programming mode)  
Ordering Information  
• Watchdog fault output: Assertion of WDO if the watchdog  
input is not toggled within a preset timeout  
period.  
PART**  
TEMP. RANGE  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
PIN-PACKAGE  
16 Plastic DIP  
16 Narrow SO  
Dice*  
MAX792_CPE  
MAX792_CSE  
MAX792_C/D  
• Pulsed watchdog output: Advance warning of  
impending WDO assertion from watchdog timeout that  
causes hardware shutdown.  
Ordering Information continued at end of data sheet.  
* Dice are tested at T = +25°C, DC parameters only.  
A
**These parts offer 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.  
Devices in PDIP, SO and µMAX packages are available in both lead-  
ed and lead-free packaging. Specify lead free by adding the + sym-  
bol at the end of the part number when ordering. Lead free not avail-  
able for CERDIP package.  
• Write protection of CMOS RAM, EEPROM, or other  
memory devices.  
The MAX792 and MAX820 are identical, except the  
MAX820 guarantees higher low-line and reset threshold  
accuracy ( 2ꢀ).  
Applications  
Computers  
Controllers  
Intelligent Instruments  
Critical µP Power Monitoring  
SUFFIX  
RESET THRESHOLD (V)  
L
M
T
S
R
4.62  
4.37  
3.06  
2.91  
2.61  
Typical Operating Circuit  
V
CC  
0.1µF  
3
V
V
CC  
CC  
13  
14  
CE OUT  
4
5
RESET IN/INT  
µP  
RAM  
MAX792  
ADDRESS  
DECODER  
CE IN  
LLIN/  
REFOUT  
A0-A15  
6
OVO  
LOW LINE  
RESET  
10  
1
NMI  
7
8
OVI  
RESET  
9
MR  
SWT  
GND  
12  
GND  
________________________________________________________________ Maxim Integrated Products  
1
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  
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MAX820SCSE+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX820SCSE+T MAXIM

完全替代

 Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO16, 0.150 INCH, LEAD FREE, MS

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