Maxim Integrated MAX6897AAZT+T Microprocessor (µP) Supervisory Circuit

The Maxim Integrated MAX6897AAZT+T is a compact, highly reliable microprocessor (µP) supervisory circuit designed to monitor power supplies in µP and digital systems. It provides a significant layer of protection by ensuring that the µP is only operational when the system voltage is within an acceptable range. This tiny component plays a crucial role in enhancing system reliability and preventing data corruption during power-up, power-down, and brown-out conditions.

With a low supply current of only 5.5µA, the MAX6897AAZT+T is an energy-efficient solution for portable and battery-powered applications. It comes in a small, 6-pin SOT-23 package, making it ideal for space-constrained designs. The device operates over a wide voltage range, from 1.1V to 5.5V, catering to a variety of digital systems with different power requirements.

One of the key features of the MAX6897AAZT+T is its selectable threshold voltage, which can be programmed with external resistors to match the specific needs of the application. This flexibility allows designers to tailor the supervisory circuit to the precise voltage requirements of their system, ensuring optimal performance and protection.

The device also includes a manual reset input, which provides a simple way to initiate a system reset manually. This can be particularly useful during system maintenance or troubleshooting. Additionally, the MAX6897AAZT+T offers an active-low reset output, which remains asserted for a minimum of 140ms after V_CC has risen above the reset threshold, ensuring the µP has sufficient time to stabilize before resuming operation.

Overall, the MAX6897AAZT+T is a robust and versatile supervisory circuit that provides crucial protection for microprocessors. Its low power consumption, programmable voltage threshold, and compact form factor make it an excellent choice for a wide range of applications, from consumer electronics to industrial control systems.

Key Features:

• Low Supply Current: 5.5µA
• Wide Operating Voltage Range: 1.1V to 5.5V
• Programmable Reset Voltage Threshold
• Manual Reset Input
• Active-Low Reset Output
• Minimum Reset Timeout: 140ms
• Compact 6-Pin SOT-23 Package