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MAX704SCSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX704SCSA

Manufacturer: MAXIM, MAX

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.925V. Active-low reset. Manual reset input. Backup-battery switch. Power-fail threshold accuracy +-4%. Power-fail comparator. Reset window +-75mV

Partnumber Manufacturer Quantity Availability
MAX704SCSA MAXIM, MAX 149 In Stock

Description and Introduction

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.925V. Active-low reset. Manual reset input. Backup-battery switch. Power-fail threshold accuracy +-4%. Power-fail comparator. Reset window +-75mV The MAX704SCSA is a product from Maxim Integrated (now part of Analog Devices). Below are the factual details about this component:

### **Manufacturer**:  
- **MAXIM** (now part of Analog Devices)  

### **Specifications**:  
- **Part Number**: MAX704SCSA  
- **Type**: Supervisory Circuit (Voltage Monitor)  
- **Package**: 8-Pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range**: 1.2V to 5.5V  
- **Reset Threshold Options**: Adjustable or Fixed (Factory-Set)  
- **Reset Timeout Period**: Adjustable or Fixed (Typically 140ms)  
- **Output Type**: Active-Low Reset  
- **Operating Temperature Range**: -40°C to +85°C  
- **Quiescent Current**: Typically 6µA  

### **Descriptions**:  
- The MAX704SCSA is a microprocessor (µP) supervisory circuit designed to monitor system voltage and provide a reset signal to the µP in case of power failure or brownout conditions.  
- It ensures proper system initialization by holding the µP in reset until the supply voltage stabilizes.  
- Available with fixed or adjustable reset threshold voltages to suit different applications.  

### **Features**:  
- Low power consumption for battery-operated systems.  
- Precision voltage monitoring with adjustable or fixed thresholds.  
- Guaranteed reset output valid down to VCC = 1V.  
- Manual reset input for external control.  
- Immune to short power supply glitches.  
- Available in a compact 8-pin SOIC package.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.925V. Active-low reset. Manual reset input. Backup-battery switch. Power-fail threshold accuracy +-4%. Power-fail comparator. Reset window +-75mV

Alternative Part Number

  • DS1232LPS-2+ --: Supervisor IC in the same Maxim supervisory family with reset and watchdog functions, commonly used as a functional substitute for MAX704 supervisor applications.
  • ADM705ANZ --: Pin-compatible 5V microprocessor supervisor with reset and watchdog, widely used as a drop-in alternative to MAX704-type supervisors.
  • TPS3705-33DGNR --: Voltage supervisor with reset and watchdog in an 8-pin package, offering similar supervisory functionality for 5V systems.
  • ADM706SARZ --: Pin-compatible microprocessor supervisor with reset output and watchdog, widely used as a drop-in alternative to MAX704-type supervisors.
  • TPS3705-33DR --: Voltage supervisor with reset and watchdog in SOIC package, offering comparable functionality from a different vendor and series.
  • DS1232 --: Classic microprocessor supervisory circuit with reset and watchdog functions, functionally similar to the MAX704 supervisor family and widely available.
  • ADM706 --: Power supply supervisory circuit offering reset and watchdog functions comparable to the MAX704, with good electrical compatibility.
  • TL7705A --: Supply voltage supervisor IC providing reset generation similar to the MAX704, from a different series and manufacturer for easy distinction.

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