DS1236AS-5+T&R

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The DS1236AS-5+T&R, part of Maxim Integrated\'s line of power management integrated circuits (PMIC – Supervisors), is used to protect the microprocessor in a system. It provides brown-out protection and the reset and watchdog logic function needed to prevent the system from failing due to an unresponsive processor. The device helps microprocessor-based systems maintain reliable operation in a variety of applications, from automotive to industrial to consumer.

The DS1236AS-5+T&R has two independent monitoring circuits. The reset circuit monitors the supply voltage and asserts a reset signal to the microprocessor when it falls below the reset threshold voltage. The watchdog circuit is used to monitor the system\'s operation and will issue a reset whenever the processor does not reset the circuit in the allotted time. When the reset signal is not valid or the time-out is reached, the reset circuit will generate an active-low reset signal and will allow the system to reboot and continue operation.

The DS1236AS-5+T&R also provides an external reset pin, allowing an external signal to trigger the reset when necessary. The masterslave option provides further protection for the microprocessor. In this configurations, one device assumes the role of master and one of slave. The master will issue a reset upon detection of a supply voltage below the reset threshold. The master and slave devices are linked with a signal line that allows the slave device to follow the reset signal issued by the master. The signal is also inverted, so when the master issues a positive reset, the slave will pull the signal low and vice versa. This feature helps protect the microprocessor in systems that are subject to false resets due to ground bounces or other disruptive phenomena.

The DS1236AS-5+T&R also has an active-low system power-good signal. This signal monitors the system power condition, asserting high when power is within the specified parameters and low when an out-of-spec condition is detected. This signal can be used as a logic control signal for a system power switch or for sequencing microprocessors.

The DS1236AS-5+T&R can be used in a wide range of applications, from automotive to industrial to consumer. In automobiles, it can protect from power failures, false resets and brown-outs, ensuring reliable operation of the vehicle\'s on-board systems. It is also used in industries with constant power cycling, such as in data collection systems, where it can ensure uninterrupted operation. The device is also used in a variety of consumer electronics, from portable medical devices to home automation systems.

When it comes to power management and processor protection, the DS1236AS-5+T&R offers a complete solution. It provides the reset and watchdog logic needed to prevent a processor from failing due to an unresponsive system. The external reset and masterslave option further enhance its protection capabilities. Plus, it can be used in a wide range of applications, from automotive to industrial to consumer. Ultimately, the DS1236AS-5+T&R is a reliable, cost-effective solution for processor protection.

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