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DESCRIPTION

The SP690T/S/R, SP802T/S/R, SP804T/S/R and SP805T/S/R devices are a family of microprocessor (µP) supervisory circuits that integrate a myriad of components involved in discrete solutions to monitor power-supply and battery-control functions in µP and digital systems. The series will significantly improve system reliability and operational efficiency when compared to discrete solutions.

■RESET and RESET Outputs

■Reset asserted down to VCC = 1V

■Reset Time Delay - 200ms

■Watchdog Timer - 1.6 sec timeout

■ 40µA Maximum VCC Supply Current

■ 1µA Maximum Battery Supply Current

■ Power Switching

50mA Output in VCCMode (1.5Ω)

10mA Output in Battery Mode (15Ω)

■Battery Can Exceed VCC in Normal Operation

■Precision Voltage Monitor for Power-Fail or Low-Battery Warning

■Available in 8 pin SO and DIP packages

■Pin Compatible Upgrades to

MAX690T/S/R, MAX802T/S/R, MAX804T/S/R, MAX805T/S/R