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STM690AM6F

Active

5 V supervisor with battery switchover

Quantity $ per Unit Savings
1 - 9$5.090%
10 - 24$4.5810%
25 - 80$4.3215%
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In stock
$5.09
Parameter NameParameter Value
Operating RangeIndustrial
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack3
GradeIndustrial
Package NameSO-8

The STM690A/692A/703/704/802/805/817/818/819 supervisors are self-contained devices which provide microprocessor supervisory functions with the ability to non-volatize and write-protect external LPSRAM. A precision voltage reference and comparator monitors the VCCinput for an out-of-tolerance condition. When an invalid VCCcondition occurs, the reset output (RST) is forced low (or high in the case of RST). These devices also offer a watchdog timer (except for STM703/704/819) as well as a power-fail comparator (except for STM818) to provide the system with an early warning of impending power failure.


These devices are available in a standard 8-pin SOIC package or a space-saving 8-pin TSSOP package.

Key features
  • 5 V operating voltage
  • NVRAM supervisor for external LPSRAM
  • Chip-enable gating (STM818 only) for external LPSRAM (7 ns max prop delay)
  • RST andRSToutputs
  • 200 ms (typ) trec
  • Watchdog timer - 1.6 sec (typ)
  • Automatic battery switchover
  • Low battery supply current - 0.4 μA (typ)
  • Power-fail comparator (PFI/PFO)
  • Low supply current - 40 μA (typ)
  • GuaranteedRST(RST) assertion down to VCC = 1.0 V
  • Operating temperature: –40 °C to +85 °C (industrial grade)
  • RoHS compliance
    • Lead-free components are compliant with the RoHS directive