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SP705EP PDF预览

SP705EP

更新时间: 2024-11-06 06:13:07
品牌 Logo 应用领域
艾科嘉 - EXAR 微处理器光电二极管监控输入元件
页数 文件大小 规格书
18页 1041K
描述
Low Power Microprocessor Supervisory Circuits

SP705EP 数据手册

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SP705-708/813L  
Low Power Microprocessor Supervisory Circuits  
Precision Voltage Monitor:  
SP705/707/813L at 4.65V  
SP706/708 at 4.40V  
RESET Pulse Width - 200ms  
Independent Watchdog Timer - 1.6s  
Timeout (SP705/706/813L)  
60µA Maximum Supply Current  
Debounced TTL/CMOS Manual Reset Input  
RESET Asserted Down to VCC = 1.1V  
Voltage Monitor for Power Failure or Low  
Battery Warning  
Available in 8-pin PDIP, NSOIC, and  
µSOIC packages  
Now available in Lead Free  
Pin Compatible Enhancement to Industry Standard 705-708/813L Series  
Functionally Compatible to Industry Standard 1232 Series  
DESCRIPTION…  
The SP705-708/813L series is a family of microprocessor (µP) supervisory circuits that  
integrate myriad components involved in discrete solutions which monitor power-supply and  
battery in µP and digital systems. The SP705-708/813L series will significantly improve  
system reliability and operational efficiency when compared to solutions obtained with discrete  
components. The features of the SP705-708/813L series include a watchdog timer,  
a µP reset, a Power Fail Comparator, and a manual-reset input. The SP705-708/813L  
series is ideal for applications in automotive systems, computers, controllers, and intelligent  
instruments. The SP705-708/813L series is an ideal solution for systems in which critical  
monitoring of the power supply to the µP and related digital components is demanded.  
Part  
Number  
RESET  
Threshold  
RESET  
Active  
Manual  
RESET  
PFI  
Accuracy  
Watchdog  
SP705  
SP706  
SP707  
SP708  
SP813L  
4.65 V  
4.40 V  
4.65 V  
4.40 V  
4.65 V  
LOW  
LOW  
YES  
YES  
YES  
YES  
YES  
YES  
YES  
NO  
4%  
4%  
4%  
4%  
4%  
LOW and HIGH  
LOW and HIGH  
HIGH  
NO  
YES  
June 2008 Rev C  
SP705 Low Power Microprocessor Supervisory Circuits  
© 2008 Exar Corporation  
1

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