ISL88708IP831Z

Supervisors Overview

The ISL88708IP831Z is a microprocessor supervisor circuit manufactured by Intersil (Renesas). It operates within a supply voltage range of 2 V to 5.5 V, with a rated voltage of 5 V. The device features an adjustable power-on reset threshold set at 3.09 V and includes a watchdog timer with a minimum timeout of 140 ms. It is housed in an 8-lead SOIC package with a 1.27 mm pin pitch. The component supports industrial operating temperatures from -40°C to 85°C.

Supervisors Feature Summary

• Integrates a watchdog timer for system fault recovery
• Provides manual reset functionality via dedicated input
• Features adjustable power-on reset threshold voltage
• Includes power-fail comparator for voltage monitoring

Supervisors Applications

• Microprocessor system power supervision
• Battery function monitoring
• Industrial control systems
• Embedded controller reset management

Supervisors Procurement Notes

Verify the specific suffix IP831Z against official Renesas documentation to confirm the exact threshold voltage and package variant. Check current product status as some variants in this family may be discontinued or subject to manufacturing site changes. Ensure compatibility with existing board layouts regarding the SOIC-8 footprint and thermal requirements.

Supervisors Selection Notes

Select this component when an adjustable reset threshold near 3.09 V is required for single-channel monitoring. Consider the integrated watchdog timer if system reliability depends on automated recovery from software hangs. Verify that the 8-pin SOIC package fits the design constraints and that the 2 V to 5.5 V operating range aligns with the target supply rail.

Supervisors Part Context

The ISL88708 belongs to a family of microprocessor supervisors designed for high accuracy and low power consumption. It shares functional similarities with models like the ISL88706 and ISL88707 but differs in specific threshold settings and feature configurations. This series is intended for applications requiring robust power management and reset generation in digital systems.

Supervisors Replacement Considerations

Potential substitutes include other members of the ISL8870x family such as ISL88706 or ISL88707, provided their specific threshold voltages and feature sets match the design requirements. Cross-reference datasheets to ensure pinout and electrical parameter compatibility before substitution.

Supervisors FAQ

What is the reset threshold voltage for the ISL88708IP831Z?

The reset threshold voltage is adjustable, with the IP831Z variant specifically configured for a trip point of 3.09 V.

Does the ISL88708 include a watchdog timer?

Yes, the device integrates a watchdog timer with a minimum timeout period of 140 ms to monitor system operation.