MAX708SCUA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, microprocessor reset circuit
• Package: SOT-23-8
• Essence: Ensures reliable system startup by monitoring the power supply voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V
• Reset Timeout Period Options: 140ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX708SCUA+T IC has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | GND | Ground | | 2 | RESET | Reset Output| | 3 | MR | Manual Reset Input | | 4 | VCC | Supply Voltage | | 5 | GND | Ground | | 6 | GND | Ground | | 7 | GND | Ground | | 8 | VCC | Supply Voltage |

Functional Features

• Monitors the power supply voltage and asserts a reset signal when it falls below the specified threshold.
• Provides a manual reset input for external reset control.
• Offers a choice of reset timeout periods to suit different applications.
• Consumes low power, making it suitable for battery-powered devices.
• Small package size allows for space-efficient designs.

Advantages and Disadvantages

Advantages

• Ensures reliable system startup by preventing erratic behavior during power-up.
• Provides a reset signal to the microprocessor, ensuring proper initialization.
• Low-power consumption extends battery life in portable devices.
• Small package size saves board space.

Disadvantages

• Limited reset threshold voltage and timeout period options may not suit all applications.
• Requires external components for proper operation.

Working Principles

The MAX708SCUA+T operates by continuously monitoring the supply voltage. When the voltage falls below the specified threshold, the IC asserts a reset signal, which can be used to reset the microprocessor or other system components. The reset signal remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX708SCUA+T is commonly used in various electronic systems where reliable startup and proper initialization are critical. Some application fields include:

1. Embedded Systems: Ensures proper initialization of microcontrollers and microprocessors in embedded systems.
2. Industrial Control Systems: Prevents erratic behavior during power-up in industrial control systems, ensuring stable operation.
3. Automotive Electronics: Monitors the power supply voltage in automotive electronics, preventing malfunctions due to voltage fluctuations.
4. Consumer Electronics: Used in devices like smartphones, tablets, and gaming consoles to ensure reliable startup and prevent data corruption.

Detailed and Complete Alternative Models

1. MAX706SCUA+T: Similar to MAX708SCUA+T but with different reset threshold voltage options.
2. MAX809SCX+: Voltage supervisor IC with adjustable reset threshold voltage and timeout period.
3. MAX811SEUS+: Microprocessor reset circuit with manual reset input and adjustable reset timeout period.

These alternative models offer similar functionality and can be considered as alternatives to the MAX708SCUA+T based on specific requirements.

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