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MAX6374KA-T PDF预览

MAX6374KA-T

更新时间: 2024-09-27 22:16:15
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描述
Pin-Selectable Watchdog Timers

MAX6374KA-T 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOT-23
包装说明:SOT-23, 8 PIN针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.17
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-G8JESD-609代码:e4
长度:2.9 mm湿度敏感等级:1
信道数量:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装等效代码:TSSOP8,.1
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):245电源:3/5 V
认证状态:Not Qualified座面最大高度:1.45 mm
子类别:Analog Waveform Generation Functions最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.5 V标称供电电压 (Vsup):3 V
表面贴装:YES技术:BICMOS
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:1.625 mmBase Number Matches:1

MAX6374KA-T 数据手册

 浏览型号MAX6374KA-T的Datasheet PDF文件第2页浏览型号MAX6374KA-T的Datasheet PDF文件第3页浏览型号MAX6374KA-T的Datasheet PDF文件第4页浏览型号MAX6374KA-T的Datasheet PDF文件第5页浏览型号MAX6374KA-T的Datasheet PDF文件第6页浏览型号MAX6374KA-T的Datasheet PDF文件第7页 
19-1676; Rev 2; 2/03  
Pin-Selectable Watchdog Timers  
General Description  
Features  
The MAX6369–MAX6374 are pin-selectable watchdog  
timers that supervise microprocessor (µP) activity and  
signal when a system is operating improperly. During  
normal operation, the microprocessor should repeated-  
ly toggle the watchdog input (WDI) before the selected  
watchdog timeout period elapses to demonstrate that  
the system is processing code properly. If the µP does  
not provide a valid watchdog input transition before the  
timeout period expires, the supervisor asserts a watch-  
dog (WDO) output to signal that the system is not exe-  
cuting the desired instructions within the expected time  
frame. The watchdog output pulse can be used to reset  
the µP or interrupt the system to warn of processing  
errors.  
Precision Watchdog Timer for Critical  
µP Applications  
Pin-Selectable Watchdog Timeout Periods  
Pin-Selectable Watchdog Startup Delay Periods  
Ability to Change Watchdog Timing Characteristics  
Without Power Cycling  
Open-Drain or Push-Pull Pulsed Active-Low  
Watchdog Output  
Watchdog Timer Disable Feature  
+2.5V to +5.5V Operating Voltage  
8µA Low Supply Current  
The MAX6369–MAX6374 are flexible watchdog timer  
supervisors that can increase system reliability through  
notification of code execution errors. The family offers  
several pin-selectable watchdog timing options to  
match a wide range of system timing applications:  
No External Components Required  
Miniature 8-Pin SOT23 Package  
• Watchdog startup delay: provides an initial delay  
before the watchdog timer is started.  
Ordering Information  
• Watchdog timeout period: normal operating watch-  
dog timeout period after the initial startup delay.  
TEMP  
PIN-  
TOP  
PART  
• Watchdog output/timing options: open drain (100ms)  
or push-pull (1ms).  
RANGE  
PACKAGE MARKS  
MAX6369KA-T  
MAX6370KA-T  
MAX6371KA-T  
MAX6372KA-T  
MAX6373KA-T  
MAX6374KA-T  
-40°C to +85°C 8 SOT23-8  
-40°C to +85°C 8 SOT23-8  
-40°C to +85°C 8 SOT23-8  
-40°C to +85°C 8 SOT23-8  
-40°C to +85°C 8 SOT23-8  
-40°C to +85°C 8 SOT23-8  
AADC  
AADD  
AADE  
AADF  
AADG  
AADH  
The MAX6369–MAX6374 operate over a +2.5V to +5.5V  
supply range and are available in miniature 8-pin  
SOT23 packages.  
________________________Applications  
Embedded Control Systems  
Industrial Controllers  
Note: All devices are available in tape-and-reel only. Required  
order increment is 2,500 pieces.  
Critical µP and Microcontroller (µC) Monitoring  
Automotive  
Pin Configuration appears at end of data sheet.  
Telecommunications  
Networking  
Selector Guide  
WDO PULSE  
WIDTH (ms)  
PART  
OUTPUT  
MINIMUM STARTUP DELAY  
MINIMUM WATCHDOG TIMEOUT  
MAX6369  
MAX6370  
MAX6371  
MAX6372  
MAX6373  
MAX6374  
Open Drain  
Push-Pull  
100  
1
Selectable: 1ms to 60s  
Selectable: 1ms to 60s  
60s  
Selectable: 1ms to 60s  
Selectable: 1ms to 60s  
Selectable: 1ms to 60s  
Selectable: 1ms to 60s  
Selectable: 30µs to 10s  
Selectable: 30µs to 10s  
Open Drain  
Push-Pull  
100  
1
60s  
Open Drain  
Push-Pull  
100  
1
Selectable: 200µs to 60s or first edge  
Selectable: 200µs to 60s or first edge  
________________________________________________________________ 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.  

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