DS1236
Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDIP16, 0.300 INCH, DIP-16DS1236
Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDIP16, 0.300 INCH, DIP-16
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Manufacturer Part # : DS1236
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Package/Case: DIP
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Brand: DALLAS
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Product Categories : Supervisors
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Service & Packaging
Service & Packaging
About After Sales Service
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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DS1236 DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The DS1236 MicroManager Chip provides all the necessary functions for power supply monitoring, reset control, and memory backup in microprocessor-based systems. A precise internal voltage reference and comparator circuit monitor 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.FEATURES■ Holds microprocessor in check during power transients■ Halts and restarts an out-of-control microprocessor■ Monitors pushbutton for external override■ Warns microprocessor of an impending power failure■ Converts CMOS SRAM into nonvolatile memory■ Unconditionally write-protects memory when power supply is out of tolerance■ Consumes less than 100 nA of battery current at 25°C■ Controls external power switch for high current applications■ Accurate 10% power supply monitoring■ Optional 5% power supply monitoring designated DS1236-5■ Provides orderly shutdown in nonvolatile microprocessor applications■ Supplies necessary control for low-power “stop mode” in battery operated hand-held applications■ Standard 16-pin DIP or space-saving 16-pin SOIC■ Optional industrial temperature range -40°C to +85°C
![DS1236 DS1236](/files/uploads/product/b/3952b796-6479-40f6-60a6-08dbbf1058de.webp)
Key Features
- Holds microprocessor in check during power transients
- Halts and restarts an out-of-control microprocessor
- Monitors pushbutton for external override
- Warns microprocessor of an impending power failure
- Converts CMOS SRAM into nonvolatile memory
- Unconditionally write-protects memory when power supply is out of tolerance
- Consumes less than 100 nA of battery current at 25°C
- Controls external power switch for high current applications
- Accurate 10% power supply monitoring
- Optional 5% power supply monitoring designated DS1236-5
- Provides orderly shutdown in nonvolatile microprocessor applications
- Supplies necessary control for low-power “stop mode” in battery operated hand-held applications
- Standard 16-pin DIP or space-saving 16-pin SOIC
- Optional industrial temperature range -40°C to +85°C
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | No | Part Life Cycle Code | Obsolete |
Part Package Code | DIP | Pin Count ! | 16 |
Reach Compliance Code | not_compliant | ECCN Code | EAR99 |
HTS Code ! | 8542.39.00.01 | Additional Feature ! | PUSHBUTTON RESET OPTION |
Adjustable Threshold | NO | Analog IC - Other Type | POWER SUPPLY MANAGEMENT CIRCUIT |
JESD-30 Code | R-PDIP-T16 | JESD-609 Code | e0 |
Length | 19.175 mm | Number of Channels | 1 |
Number of Functions | 1 | Number of Terminals | 16 |
Operating Temperature-Max | 70 °C | Operating Temperature-Min | |
Package Body Material | PLASTIC/EPOXY | Package Code | DIP |
Package Equivalence Code | DIP16,.3 | Package Shape | RECTANGULAR |
Package Style | IN-LINE | Power Supplies ! | 5 V |
Qualification Status ! | Not Qualified | Seated Height-Max | 4.572 mm |
Supply Current-Max (Isup) | 4 mA | Supply Voltage-Max (Vsup) | 5.5 V |
Supply Voltage-Min (Vsup) | 4.5 V | Supply Voltage-Nom (Vsup) | 5 V |
Surface Mount ! | NO | Technology | CMOS |
Temperature Grade ! | COMMERCIAL | Terminal Finish | TIN LEAD |
Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 2.54 mm |
Terminal Position | DUAL | Width | 7.62 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is DS1236?
The DS1236 is a precision watchdog timer and reset controller designed by Maxim Integrated. It is ideal for applications requiring reliable monitoring and control of microcontroller or microprocessor-based systems, such as industrial automation, automotive systems, and embedded control applications.
How Does DS1236 Work?
The DS1236 works by monitoring the activity of a microcontroller or microprocessor-based system. It provides a reset signal to the microcontroller in the event of a fault or if the system becomes unresponsive. The device includes a watchdog timer to monitor system activity and a manual reset input for external control.
How Many Pins does DS1236 have and What are the Functions of the Pinout Configuration?
The DS1236 is housed in an 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- MR: Manual reset input pin.
- WDI: Watchdog input pin.
- RESET: Reset output pin.
- NC: No-connect pin.
What are the Pros and Cons of DS1236?
Pros:
- Reliable System Monitoring: Provides a failsafe mechanism for maintaining system integrity.
- Manual Reset Input: Allows for external control over system resets.
- Wide Operating Voltage Range: Supports a wide range of operating voltages for versatile application.
- Simple Interface: Easy to integrate into existing microcontroller-based systems.
- Compact Package: The 8-pin DIP or SOIC package is space-efficient and suitable for various system designs.
Cons:
- Additional Components: May require external components for specific system integration or advanced functionality.
- Complexity for Novices: Requires understanding of watchdog timer and reset controller concepts for effective use.
Are There Any Equivalents/Alternatives to DS1236 for Recommendation?
- The MAX6741 from Maxim Integrated is a similar watchdog timer and reset controller with additional functionality.
- Alternatives to the DS1236 include the LTC2950 from Analog Devices and the TPS3430 from Texas Instruments.
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