The DS1236S-10 from Maxim Integrated is a highly reliable, precision microprocessor supervisory circuit designed to monitor the power supplies in digital systems. It provides a crucial function by ensuring that the system's microprocessor and other sensitive digital circuits operate correctly during power-up, power-down, and brown-out conditions.

Key Features

• Power Monitoring: The DS1236S-10 actively monitors the system's power supply voltage and maintains a reset signal to the microprocessor until stable operating conditions are met, ensuring a safe start-up environment for the CPU.
• Programmable Reset Pulse Width: This device allows designers to program the width of the reset pulse, ensuring compatibility with a wide range of microprocessors that may require different reset pulse specifications.
• Low Power Consumption: Designed for energy efficiency, the DS1236S-10 consumes minimal power, making it suitable for use in portable and battery-operated applications.
• High Precision Voltage Monitor: The device features a precision temperature-compensated voltage reference and comparator circuit to monitor the status of the power supply.
• Immunity to Short VCC Transients: It includes circuitry to ignore short-duration transients on the VCC line, which helps to prevent false triggering of the reset signal.

Applications

The DS1236S-10 is versatile and can be used in a wide array of applications where reliable system operation is critical. It is particularly useful in:

• Embedded systems
• Microcontroller-based applications
• Industrial control systems
• Portable and battery-powered devices

Technical Specifications

The device comes in a surface-mount package and operates over a wide temperature range, making it suitable for various industrial and commercial environments. With its precise voltage monitoring and reset capabilities, the DS1236S-10 is an essential component for system stability and reliability.

Conclusion

Maxim Integrated's DS1236S-10 is a robust microprocessor supervisory circuit that offers critical protection against power supply anomalies, ensuring that digital systems operate reliably and efficiently. Its programmability, low power consumption, and precision make it an ideal choice for designers looking to enhance system integrity.