Maxim Integrated MAX820SESE
- Part Number:
- MAX820SESE
- Manufacturer:
- Maxim Integrated
- Ventron No:
- 3270631-MAX820SESE
- Description:
- IC SUPERVISOR MPU 16-SOIC
- Datasheet:
- MAX820SESE
Description
The MAX792/MAX820 microprocessor (μP) supervisory circuits provide comprehensive power-supply and watchdog monitoring for systems without battery backup. They feature:
μP Reset: RESET and RESET outputs are asserted during power-up, power-down, and brownout conditions. RESET is valid down to 1V.
Manual-Reset Input: Allows for manual reset.
Two-Stage Power-Fail Warning: A low-line comparator monitors Vcc and compares it to a preset threshold 120mV above the reset threshold.
Watchdog Fault Output: WDO is asserted if the watchdog input is not toggled within a preset timeout period.
Pulsed Watchdog Output: Provides advance warning of impending WDO assertion.
Write Protection: Protects CMOS RAM, EEPROM, or other memory devices.
Features
Independent watchdog timer (preset or adjustable)
On-board gating of chip-enable signals
Memory write-cycle completion
10ns (max) chip-enable gate propagation delay
Voltage monitor for overvoltage warning
±2% reset and low-line threshold accuracy (MAX820, external programming mode)
Applications
Computers
Controllers
Intelligent instruments
Critical μP power monitoring
The MAX792/MAX820 microprocessor (μP) supervisory circuits provide comprehensive power-supply and watchdog monitoring for systems without battery backup. They feature:
μP Reset: RESET and RESET outputs are asserted during power-up, power-down, and brownout conditions. RESET is valid down to 1V.
Manual-Reset Input: Allows for manual reset.
Two-Stage Power-Fail Warning: A low-line comparator monitors Vcc and compares it to a preset threshold 120mV above the reset threshold.
Watchdog Fault Output: WDO is asserted if the watchdog input is not toggled within a preset timeout period.
Pulsed Watchdog Output: Provides advance warning of impending WDO assertion.
Write Protection: Protects CMOS RAM, EEPROM, or other memory devices.
Features
Independent watchdog timer (preset or adjustable)
On-board gating of chip-enable signals
Memory write-cycle completion
10ns (max) chip-enable gate propagation delay
Voltage monitor for overvoltage warning
±2% reset and low-line threshold accuracy (MAX820, external programming mode)
Applications
Computers
Controllers
Intelligent instruments
Critical μP power monitoring
Maxim Integrated MAX820SESE technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated MAX820SESE .
- Factory Lead Time6 Weeks
- MountSurface Mount
- Package / CaseSOIC
- Number of Pins16
- PackagingTube
- Published2006
- JESD-609 Codee3
- Pbfree Codeyes
- Part StatusObsolete
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations16
- ECCN CodeEAR99
- Terminal FinishTIN
- Max Operating Temperature85°C
- Min Operating Temperature-40°C
- SubcategoryPower Management Circuits
- Max Power Dissipation762mW
- TechnologyCMOS
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Supply Voltage5V
- Pin Count16
- Power Supplies3/5V
- Temperature GradeINDUSTRIAL
- Number of Channels1
- Max Supply Voltage5.5V
- Min Supply Voltage2.75V
- Operating Supply Current150μA
- Max Supply Current150μA
- Adjustable ThresholdNO
- Watchdog TimerYes
- ResetActive High/Active Low
- Number of Voltages Monitored1
- Reset Timeout140 ms
- Min Reset Threshold Voltage2.85V
- Max Reset Threshold Voltage3V
- Threshold Voltage2.91V
- Undervoltage Threshold2.85V
- Overvoltage Threshold3V
- Length9.9mm
- Width3.9mm
- Radiation HardeningNo
- RoHS StatusROHS3 Compliant
- Lead FreeLead Free
The three parts on the right have similar specifications to MAX820SESE .
-
ImagePart NumberManufacturerFactory Lead TimeMountPackage / CaseNumber of PinsPackagingPublishedJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)Number of TerminationsECCN CodeTerminal FinishMax Operating TemperatureMin Operating TemperatureSubcategoryMax Power DissipationTechnologyTerminal PositionTerminal FormPeak Reflow Temperature (Cel)Number of FunctionsSupply VoltagePin CountPower SuppliesTemperature GradeNumber of ChannelsMax Supply VoltageMin Supply VoltageOperating Supply CurrentMax Supply CurrentAdjustable ThresholdWatchdog TimerResetNumber of Voltages MonitoredReset TimeoutMin Reset Threshold VoltageMax Reset Threshold VoltageThreshold VoltageUndervoltage ThresholdOvervoltage ThresholdLengthWidthRadiation HardeningRoHS StatusLead FreeSurface MountAdditional FeatureHTS CodeTerminal PitchReach Compliance CodeTime@Peak Reflow Temperature-Max (s)JESD-30 CodeQualification StatusOperating Temperature (Max)Operating Temperature (Min)Supply Voltage-Max (Vsup)Analog IC - Other TypeSupply Current-Max (Isup)Height Seated (Max)Lifecycle StatusMounting TypeOperating TemperatureReflow Temperature-Max (s)Base Part NumberOutputVoltage - ThresholdView Compare
-
MAX820SESE6 WeeksSurface MountSOIC16Tube2006e3yesObsolete1 (Unlimited)16EAR99TIN85°C-40°CPower Management Circuits762mWCMOSDUALGULL WING26015V163/5VINDUSTRIAL15.5V2.75V150μA150μANOYesActive High/Active Low1140 ms2.85V3V2.91V2.85V3V9.9mm3.9mmNoROHS3 CompliantLead Free----------------------
-
------e3yesObsolete1 (Unlimited)16EAR99Matte Tin (Sn)--Power Management Circuits-CMOSDUALGULL WING26014.5V165VINDUSTRIAL1----YES---------9.9mm3.9mm-RoHS Compliant-YESEITHER VCC OR VBATT CAN GO TO 0V, IF THE OTHER IS GREATER THAN 2.0V8542.39.00.011.27mmcompliantNOT SPECIFIEDR-PDSO-G16Not Qualified85°C-40°C5.5VPOWER SUPPLY MANAGEMENT CIRCUIT0.1mA1.75mm-------
-
6 Weeks-16-SOIC (0.154, 3.90mm Width)-Tube2014e3yesActive1 (Unlimited)16EAR99Matte Tin (Sn)--Power Management Circuits-CMOSDUALGULL WING26014.75V165V-1----YES-Active High/Active Low1140ms Minimum-----9.9mm3.9mm-ROHS3 Compliant-YES------Not Qualified--5.5V---PRODUCTION (Last Updated: 1 month ago)Surface Mount-40°C~85°C TANOT SPECIFIEDMAX800Open Drain, Push-Pull4.65V
-
8 WeeksThrough Hole8-DIP (0.300, 7.62mm)8Tube2006e3yesActive1 (Unlimited)8EAR99Matte Tin (Sn)--Power Management Circuits727mWBICMOSDUAL-26015V85V-15.5V0V68μA-NOYesActive High/Active Low1140ms Minimum4.6V4.75V-4.6V4.75V9.375mm7.62mmNoROHS3 CompliantLead Free-WATCHDOG TIMER, BATTERY-BACKUP MODE-2.54mm---------4.572mm-Through Hole0°C~70°C TA-MAX801-4.675V
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