Overview
Features and Benefits
- Holds microprocessor in check during power transients
- Automatically restarts microprocessor after power failure
- Monitors pushbutton for external override
- Accurate 5%, 10% or 20% resets for 3.3V systems and 5% or 10% resets for 5.0V systems
- Eliminates the need for discrete components
- 20% tolerance compatible with 3.0V systems
- Pin compatible with the MAXIM MAX707/MAX708 in 8-pin DIP, 8-pin SO packages
- 8-pin DIP, 8-pin and µSOP SO and 8-pin µSOP packages available
- Industrial temperature range -40°C to +85°C
Product Details
The DS1707/DS1708 3.3- or 5.0-Volt MicroMonitor monitors three vital conditions for a microprocessor: power supply, voltage sense, and external override. A precision temperature-compensated reference and comparator circuit monitor the status of VCC at the device and at an upstream point for maximum protection. When the sense input detects an out-of-tolerance condition a non-maskable interrupt is generated. As the voltage at the device degrades an internal power fail signal is generated which forces the reset to an active state. When VCC returns to an in-tolerance condition, the reset signal is kept in the active state for a minimum of 130ms to allow the power supply and processor to stabilize.
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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| DS1707EPA+ | Material Declaration | Reliability Data | Plastic Dual-In-Line, Narrow (0.3in) | |
| DS1707ESA+ | Material Declaration | Reliability Data | Small-Outline IC, Narrow (0.15in) | |
| DS1707ESA+T&R | Material Declaration | Reliability Data | Small-Outline IC, Narrow (0.15in) | |
| Wafer Fabrication Data | DS1707 Reliability Data |
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