Maxim Integrated DS1238A-10
- Part Number:
- DS1238A-10
- Manufacturer:
- Maxim Integrated
- Ventron No:
- 3279226-DS1238A-10
- Description:
- IC MICROMANAGER 10% 16-DIP
- Datasheet:
- DS1238A-10
Description
The DS1238A MicroManager is a device that provides power supply monitoring, reset control, and memory backup in microprocessor-based systems. It features an internal voltage reference and comparator circuit that monitors power supply status. When an out-of-tolerance condition occurs, the microprocessor reset and power-fail outputs are forced active, and static RAM control unconditionally write protects external memory. The DS1238A also provides early warning detection of a user-defined threshold by driving a non-maskable interrupt. External reset control is provided by a pushbutton reset.
Features
Holds microprocessor in check during power transients
Halts and restarts an out-of-control microprocessor
Warns microprocessor of an impending power failure
Converts CMOS SRAM into nonvolatile memory
Unconditionally write protects memory when power supply is out of tolerance
Delays write protection until completion of the current memory cycle
Consumes less than 200 nA of battery current
Controls external power switch for high current applications
Debounces pushbutton reset
Accurate 10% power supply monitoring
Optional 5% power supply monitoring (designated DS1238A-5)
Provides orderly shutdown in microprocessor applications
Applications
The DS1238A MicroManager is suitable for use in a variety of applications, including:
Microprocessor-based systems
Industrial control systems
Medical devices
Automotive electronics
Aerospace applications
The DS1238A MicroManager is a device that provides power supply monitoring, reset control, and memory backup in microprocessor-based systems. It features an internal voltage reference and comparator circuit that monitors power supply status. When an out-of-tolerance condition occurs, the microprocessor reset and power-fail outputs are forced active, and static RAM control unconditionally write protects external memory. The DS1238A also provides early warning detection of a user-defined threshold by driving a non-maskable interrupt. External reset control is provided by a pushbutton reset.
Features
Holds microprocessor in check during power transients
Halts and restarts an out-of-control microprocessor
Warns microprocessor of an impending power failure
Converts CMOS SRAM into nonvolatile memory
Unconditionally write protects memory when power supply is out of tolerance
Delays write protection until completion of the current memory cycle
Consumes less than 200 nA of battery current
Controls external power switch for high current applications
Debounces pushbutton reset
Accurate 10% power supply monitoring
Optional 5% power supply monitoring (designated DS1238A-5)
Provides orderly shutdown in microprocessor applications
Applications
The DS1238A MicroManager is suitable for use in a variety of applications, including:
Microprocessor-based systems
Industrial control systems
Medical devices
Automotive electronics
Aerospace applications
Maxim Integrated DS1238A-10 technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated DS1238A-10.
- MountThrough Hole
- Mounting TypeThrough Hole
- Package / Case16-DIP (0.300, 7.62mm)
- Operating Temperature0°C~70°C TA
- PackagingTube
- SeriesMicroManager
- Published1999
- JESD-609 Codee3
- Part StatusObsolete
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations16
- ECCN CodeEAR99
- Terminal FinishMatte Tin (Sn)
- Additional FeaturePUSHBUTTON RESET INPUT
- Terminal PositionDUAL
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Supply Voltage5V
- Terminal Pitch2.54mm
- Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED
- Base Part NumberDS1238A
- OutputOpen Drain or Open Collector
- Pin Count16
- Qualification StatusNot Qualified
- Number of Channels1
- Max Supply Voltage5.5V
- Min Supply Voltage4.5V
- Operating Supply Current4mA
- Adjustable ThresholdNO
- ResetActive High/Active Low
- Voltage - Threshold4.37V
- Number of Voltages Monitored1
- Reset Timeout40ms Minimum
- Undervoltage Threshold4.25V
- Overvoltage Threshold4.5V
- Height Seated (Max)4.572mm
- Width7.62mm
- RoHS StatusNon-RoHS Compliant
- Lead FreeContains Lead
The three parts on the right have similar specifications to DS1238A-10.
-
ImagePart NumberManufacturerMountMounting TypePackage / CaseOperating TemperaturePackagingSeriesPublishedJESD-609 CodePart StatusMoisture Sensitivity Level (MSL)Number of TerminationsECCN CodeTerminal FinishAdditional FeatureTerminal PositionPeak Reflow Temperature (Cel)Number of FunctionsSupply VoltageTerminal PitchTime@Peak Reflow Temperature-Max (s)Base Part NumberOutputPin CountQualification StatusNumber of ChannelsMax Supply VoltageMin Supply VoltageOperating Supply CurrentAdjustable ThresholdResetVoltage - ThresholdNumber of Voltages MonitoredReset TimeoutUndervoltage ThresholdOvervoltage ThresholdHeight Seated (Max)WidthRoHS StatusLead FreeFactory Lead TimeNumber of PinsPbfree CodeOutput VoltageOperating Supply VoltageMax Supply CurrentWatchdog TimerMin Reset Threshold VoltageMax Reset Threshold VoltageLengthREACH SVHCSurface MountJESD-30 CodeSupply Voltage-Max (Vsup)Supply Voltage-Min (Vsup)Reach Compliance CodeView Compare
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DS1238A-10Through HoleThrough Hole16-DIP (0.300, 7.62mm)0°C~70°C TATubeMicroManager1999e3Obsolete1 (Unlimited)16EAR99Matte Tin (Sn)PUSHBUTTON RESET INPUTDUAL26015V2.54mmNOT SPECIFIEDDS1238AOpen Drain or Open Collector16Not Qualified15.5V4.5V4mANOActive High/Active Low4.37V140ms Minimum4.25V4.5V4.572mm7.62mmNon-RoHS CompliantContains Lead-----------------
-
Through HoleThrough Hole8-DIP (0.300, 7.62mm)-40°C~85°C TATube-1998e3Active1 (Unlimited)8EAR99Matte Tin (Sn)-DUAL26015V2.54mm-DS1231Open Drain or Open Collector8-15.5V4.5V500μANOActive High/Active Low4.37V 4.62V1150ms Minimum3.3V4.74V4.572mm7.62mmROHS3 CompliantContains Lead6 Weeks8yes4.9V5V2mANo4.5V4.74V9.375mmUnknown-----
-
-Through Hole8-DIP (0.300, 7.62mm)0°C~70°C TATube--e0Obsolete1 (Unlimited)8-TIN LEAD-DUAL24015V2.54mm20-Open Drain or Open Collector8COMMERCIAL1---NOActive High/Active Low4.37V 4.62V1150ms Minimum--4.572mm7.62mmNon-RoHS Compliant---no------9.375mm-NOR-PDIP-T85.5V4.5V-
-
-Through Hole8-DIP (0.300, 7.62mm)0°C~70°C TATube--e0Obsolete1 (Unlimited)8-TIN LEAD-DUAL24015V2.54mm20-Open Drain or Open Collector8COMMERCIAL1---NOActive High/Active Low4.37V 4.62V1150ms Minimum--4.572mm7.62mmNon-RoHS Compliant---no------9.375mm-NOR-PDIP-T85.5V4.5Vunknown
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