SP691


Low Power Microprocessor Supervisory with Battery Switch-Over

Features

  • Precision 4.65V/4.40V Voltage Monitoring
  • 200ms Or Adjustable Reset Time
  • 100ms, 1.6s Or Adjustable Watchdog Time
  • 60µA Maximum Operating Supply Current
  • 2.0µA Maximum Battery Backup Current
  • 0.1µA Maximum Battery Standby Current
  • Power Switching
  • 250mA Output in Vcc Mode (0.6Ω)
  • 25mA Output in Battery Mode (5Ω)
  • On-Board Gating of Chip-Enable Signals
  • Memory Write-Cycle Completion
  • 6ns CE Gate Propagation Delay
  • Voltage Monitor for Power-Fail or Low Battery
  • Backup-Battery Monitor
  • RESET Valid to Vcc=1V
  • Pin Compatible Upgrade to MAX691A/693A

Part NumberPkg CodeRoHSMin
Temp.
(°C)
Max
Temp.
(°C)
StatusBuy NowOrder Samples
SP691ACN-LNSOIC16NSOIC16070Active
SP691ACN-L/TRNSOIC16NSOIC16070Active
SP691ACT-LWSOIC16WSOIC16070Active
SP691ACT-L/TRWSOIC16WSOIC16070Active
SP691AEN-LNSOIC8NSOIC8-4085Active
SP691AEN-L/TRNSOIC8NSOIC8-4085Active
SP691AET-LWSOIC16WSOIC16-4085Active
SP691AET-L/TRWSOIC16WSOIC16-4085Active
SP691ACTWSOIC16070EOL
SP691AETWSOIC16-4085EOL
SP691AET/TRWSOIC16-4085EOL
SP691ACNNSOIC16070OBS
SP691ACN/TRNSOIC16070OBS
SP691ACPPDIP16070OBS
SP691ACP-LPDIP16PDIP16070OBSUpgrade: SP691ACN-L
SP691ACP-LPDIP16PDIP16070OBSUpgrade: SP691ACT-L
SP691ACT/TRWSOIC16070OBS
SP691AENNSOIC8-4085OBS
SP691AEN/TRNSOIC8-4085OBS
SP691AEPPDIP16-4085OBS
SP691AEP-LPDIP16PDIP16-4085OBSUpgrade: SP691AET-L
SP691AEP-LPDIP16PDIP16-4085OBSUpgrade: SP691AEN-L
SP691AXNNSOIC16-4085OBS
SP691AXN-1NSOIC16-4085OBS
SP691AXN-2NSOIC16-4085OBS
SP691AXPPDIP16-4085OBS
SP691AXP-1PDIP16-4085OBS
SP691AXP-2PDIP16-4085OBS
SP691AXTWSOIC16-4085OBS
SP691AXT-1WSOIC16-4085OBS
SP691AXT-2WSOIC16-4085OBS

Part Status Legend
Active - the part is released for sale, standard product.
EOL (End of Life) - the part is no longer being manufactured, there may or may not be inventory still in stock.
CF (Contact Factory) - the part is still active but customers should check with the factory for availability. Longer lead-times may apply.
PRE (Pre-introduction) - the part has not been introduced or the part number is an early version available for sample only.
OBS (Obsolete) - the part is no longer being manufactured and may not be ordered.
NRND (Not Recommended for New Designs) - the part is not recommended for new designs. 
Specifications
# ofChannels1
IQ (µA)60
VccMAX.(V)5.5
ResetThreshold(V)4.65
ResetActivelow/high
ResetAcc(mV)125
ResetOutputTypeOther