Description

The SP707CU is a microprocessor supervisory circuit that provides integrated monitoring of power supply and battery in µP and digital systems. It is designed to significantly improve system reliability and operational efficiency compared to discrete solutions. The features of the SP707CU include a watchdog timer, µP reset, power fail comparator, and manual-reset input. It is ideal for applications in automotive systems, computers, controllers, and intelligent instruments.

Specifications and features

• Precision Voltage Monitor: SP705/707/813L at 4.65V, SP706/708/813M at 4.40V
• RESET Pulse Width: 200ms
• Independent Watchdog Timer: 1.6s Timeout (SP705/706/813L/813M)
• Maximum Supply Current: 60µA
• Debounced TTL/CMOS Manual Reset Input
• RESET Asserted Down to VCC = 1V
• Voltage Monitor for Power Failure or Low Battery Warning
• Available in 8-pin PDIP, NSOIC, and µSOIC packages
• Pin Compatible Enhancement to Industry Standard 705-708/813L Series
• Functionally Compatible to Industry Standard 1232 Series

Application Scenarios

The SP707CU can be used in various applications, including automotive systems, computers, controllers, and intelligent instruments. It is particularly suitable for systems that require critical monitoring of the power supply to the µP and related digital components.

Comparison

• Integrated monitoring of power supply and battery
• Improved system reliability and operational efficiency
• Includes watchdog timer, µP reset, power fail comparator, and manual-reset input
• Compatible with industry standards

No specific disadvantages have been mentioned for the SP707CU.