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DESCRIPTION…

The SP705-708/813L series is a family of microprocessor (?P) supervisory circuits that integrate myriad components involved in discrete solutions which monitor power-supply and battery in ?P 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 ?P 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 ?P and related digital components is demanded.

■ 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)

■ 60?A Maximum Supply Current

■ Debounced TTL/CMOS Manual Reset Input

■ RESET Asserted Down to V CC = 1.1V

■ Voltage Monitor for Power Failure or Low Battery Warning

■ Available in 8-pin PDIP, NSOIC, and ?SOIC packages

■ Pin Compatible Enhancement to Industry Standard 705-708/813L Series

■ Functionally Compatible to Industry Standard 1232 Series