DESCRIPTION

The SP706P/S/R/T, SP708R/S/T 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 SP706P/S/R/T, SP708R/S/T series will significantly improve system reliability and operational efficiency when compared to results obtained with discrete components.

■ Precision Low Voltage Monitor:

SP706P/R and SP708R at +2.63V

SP706S and SP708S at +2.93V

SP706T and SP708T at +3.08V

■ RESET Pulse Width - 200ms

■ Independent Watchdog Timer - 1.6 sec

Timeout (SP706P/S/R/T)

■ 40µA Maximum Supply Current

■ Debounced TTL/CMOS Manual-Reset Input

■ RESET Asserted Down to VCC = 1V

■ RESET Output:

SP706P Active-High

SP706R/S/T Active-Low

SP708R/S/T Both Active High + Active Low

■ WDI Can Be Left Floating, Disabling the Watchdog Function

■ Built-In Vcc Glitch Immunity

■ Available in 8-pin PDIP, NSOIC, and µSOIC packages

■ Voltage Monitor for Power Failure or Low Battery Warning

■ Pin Compatible Enhancement to Industry Standards 706P/R/S/T and 708R/S/T