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MAX795 - 3.0V/3.3V Adjustable Microprocessor Supervisory Circuits

General Description

The MAX793/MAX794/MAX795 microprocessor (µP) supervisory circuits monitor and control the activities of +3.0V/+3.3V µPs by providing backup-battery switchover, among other

Key Features

  • such as low-line indication, µP reset, write protection for CMOS RAM, and a watchdog (see the Selector Guide below). The backup-battery voltage can exceed VCC, permitting the use of 3.6V lithium batteries in systems using 3.0V to 3.3V for VCC. The MAX793/MAX795 offer a choice of reset threshold voltage range (denoted by suffix letter): 3.00V to 3.15V (T), 2.85V to 3.00V (S), and 2.55V to 2.70V (R). The MAX794’s reset threshold is set externally with a resistor divider. The MAX793/MAX794 are avai.

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Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
MAX791 Microprocessor Supervisory Circuit
MAX792 Microprocessor and Non-Volatile Memory Supervisory Circuits
MAX793 3.0V/3.3V Adjustable Microprocessor Supervisory Circuits
MAX794 3.0V/3.3V Adjustable Microprocessor Supervisory Circuits
MAX796 Step-Down Controllers with Synchronous Rectifier for CPU Power

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-0366; Rev 6; 3/10 MAX793/MAX794/MAX795 3.0V/3.3V Adjustable Microprocessor Supervisory Circuits General Description The MAX793/MAX794/MAX795 microprocessor (µP) supervisory circuits monitor and control the activities of +3.0V/+3.3V µPs by providing backup-battery switchover, among other features such as low-line indication, µP reset, write protection for CMOS RAM, and a watchdog (see the Selector Guide below). The backup-battery voltage can exceed VCC, permitting the use of 3.6V lithium batteries in systems using 3.0V to 3.3V for VCC. The MAX793/MAX795 offer a choice of reset threshold voltage range (denoted by suffix letter): 3.00V to 3.15V (T), 2.85V to 3.00V (S), and 2.55V to 2.70V (R). The MAX794’s reset threshold is set externally with a resistor divider.