Maxim Integrated MAX820TCSE
- Part Number:
- MAX820TCSE
- Manufacturer:
- Maxim Integrated
- Ventron No:
- 3270615-MAX820TCSE
- Description:
- IC SUPERVISOR MPU 16-SOIC
- ECAD Model:
-
- Datasheet:
- MAX820TCSE
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 MAX820TCSE technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated MAX820TCSE .
- Factory Lead Time6 Weeks
- MountSurface Mount
- Mounting TypeSurface Mount
- Package / Case16-SOIC (0.154, 3.90mm Width)
- Number of Pins16
- Operating Temperature0°C~70°C TA
- PackagingTube
- Published2006
- JESD-609 Codee3
- Pbfree Codeyes
- Part StatusActive
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations16
- ECCN CodeEAR99
- Terminal FinishMatte Tin (Sn)
- SubcategoryPower Management Circuits
- Max Power Dissipation762mW
- TechnologyCMOS
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Supply Voltage5V
- Base Part NumberMAX820
- OutputPush-Pull, Push-Pull
- Pin Count16
- Power Supplies3/5V
- 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
- Voltage - Threshold3.06V
- Number of Voltages Monitored1
- Reset Timeout140ms Minimum
- Min Reset Threshold Voltage3V
- Max Reset Threshold Voltage3.15V
- Undervoltage Threshold3V
- Overvoltage Threshold3.15V
- Length9.9mm
- Width3.9mm
- Radiation HardeningNo
- RoHS StatusROHS3 Compliant
- Lead FreeLead Free
The three parts on the right have similar specifications to MAX820TCSE .
-
ImagePart NumberManufacturerFactory Lead TimeMountMounting TypePackage / CaseNumber of PinsOperating TemperaturePackagingPublishedJESD-609 CodePbfree CodePart StatusMoisture Sensitivity Level (MSL)Number of TerminationsECCN CodeTerminal FinishSubcategoryMax Power DissipationTechnologyTerminal PositionTerminal FormPeak Reflow Temperature (Cel)Number of FunctionsSupply VoltageBase Part NumberOutputPin CountPower SuppliesNumber of ChannelsMax Supply VoltageMin Supply VoltageOperating Supply CurrentMax Supply CurrentAdjustable ThresholdWatchdog TimerResetVoltage - ThresholdNumber of Voltages MonitoredReset TimeoutMin Reset Threshold VoltageMax Reset Threshold VoltageUndervoltage ThresholdOvervoltage ThresholdLengthWidthRadiation HardeningRoHS StatusLead FreeSurface MountAdditional FeatureTime@Peak Reflow Temperature-Max (s)Qualification StatusSupply Voltage-Max (Vsup)HeightTerminal PitchHeight Seated (Max)View Compare
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MAX820TCSE6 WeeksSurface MountSurface Mount16-SOIC (0.154, 3.90mm Width)160°C~70°C TATube2006e3yesActive1 (Unlimited)16EAR99Matte Tin (Sn)Power Management Circuits762mWCMOSDUALGULL WING26015VMAX820Push-Pull, Push-Pull163/5V15.5V2.75V150μA150μANOYesActive High/Active Low3.06V1140ms Minimum3V3.15V3V3.15V9.9mm3.9mmNoROHS3 CompliantLead Free--------- -
--Surface Mount16-SOIC (0.154, 3.90mm Width)-0°C~70°C TATape & Reel (TR)2008e3yesObsolete1 (Unlimited)16EAR99Matte Tin (Sn)Power Management Circuits-CMOSDUALGULL WING26014.5VMAX800Open Drain, Push-Pull165V1----YES-Active High/Active Low4.4V1140ms Minimum----9.9mm3.9mm-ROHS3 CompliantLead FreeYESEITHER VCC OR VBATT CAN GO TO 0V, IF THE OTHER IS GREATER THAN 2.0VNOT SPECIFIEDNot Qualified5.5V---
-
6 WeeksSurface MountSurface Mount16-SOIC (0.154, 3.90mm Width)160°C~70°C TATube2008e3yesActive1 (Unlimited)16EAR99Matte Tin (Sn)Power Management Circuits696mWCMOSDUALGULL WING26014.75VMAX800Open Drain, Push-Pull165V15.5V0V100μA100μAYESYesActive High/Active Low4.65V1140ms Minimum4.55V4.7V4.55V4.7V10mm4mmNoROHS3 CompliantLead Free-----1.5mm--
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8 WeeksThrough HoleThrough Hole8-DIP (0.300, 7.62mm)80°C~70°C TATube2006e3yesActive1 (Unlimited)8EAR99Matte Tin (Sn)Power Management Circuits727mWBICMOSDUAL-26015VMAX801-85V15.5V0V68μA-NOYesActive High/Active Low4.675V1140ms Minimum4.6V4.75V4.6V4.75V9.375mm7.62mmNoROHS3 CompliantLead Free-WATCHDOG TIMER, BATTERY-BACKUP MODE----2.54mm4.572mm
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4.5V 16 Terminals 16-Pin MAX800 Voltage supervisor 1 Channels Min 0V Max 5.5V
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