SP708SEN-L/TR

The SP706R/S/T and 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 SP706R/S/T and SP708R/S/T series will significantly improve system reliability and operational efficiency when compared to solutions obtained with discrete components. The features of the SP706R/S/T and SP708R/S/T series include a watchdog timer, a µP reset, a Power Fail Comparator, and a manual-reset input. The SP706R/S/T and SP708R/S/T series is ideal for 3.0V or 3.3V applications in automotive systems, computers, controllers, and intelligent instruments. The SP706R/S/T and SP708R/S/T series is an ideal solution for systems in which critical monitoring of the power supply to the HP and related digital components is demanded.

Applications

• Processors & DSPs Based Systems
• Industrial & Medical Instruments

Key features

• Precision Low Voltage Monitor
• SP706R/SP708R: +2.63V
• SP706S/SP708S: +2.93V
• SP706T/SP708T: +3.08V
• 200ms RESET Pulse Width
• SP706R/S/T: Active Low
• SP708R/S/T: Active High and Active Low
• Independent Watchdog Timer
• 1.6s Timeout (SP706R/S/T)
• Enable/Disable Function
• 40µA Maximum Supply Current
• Debounced TTL/CMOS Manual Reset Input
• RESET Asserted Down to Vcc = 1V
• VCC Glitch Immunity
• Voltage Monitor for Power Failure or Low Battery Warning
• 8-Pin NSOIC and MSOP Packages
• Pin Compatible with Industry Standards 706R/S/T and 708R/S/T
• The SP706R/S/T and SP708R/S/T series provides four key functions:
• A reset output during power-up, power-down and brownout conditions.
• An independent watchdog output that goes LOW if the watchdog input has not been toggled within 1.6 seconds.
• A 1.25V threshold detector for power-fail warning, low battery detection, or monitoring a power supply other than +3.3V/+3.0V.
• An active-LOW manual-reset that allows RESET to be triggered by a pushbutton switch.
• The SP706R/S/T devices are the same as the SP708R/S/T devices except for the active-HIGH RESET substitution of the watchdog timer.