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MAX707CSA from MAXIN,MAXIM - Dallas Semiconductor

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MAX707CSA

Manufacturer: MAXIN, MAXIM, MAXIM, MAX

Low-Cost, uP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX707CSA MAXIN, MAXIM, MAXIM, MAX 13700 In Stock

Description and Introduction

Low-Cost, uP Supervisory Circuits The MAX707CSA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX707CSA  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (4.65V, 4.40V, 4.00V, 3.08V, 2.93V, 2.63V)  
- **Reset Timeout Period:** 200ms (typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Manual Reset Input:** Active-low (MR) for external reset control  
- **Watchdog Timer:** 1.6s timeout (typical)  
- **Power-On Reset (POR) Circuitry:** Ensures proper reset during power-up  
- **Low Quiescent Current:** 35μA (typical)  

### **Descriptions:**
The MAX707CSA is a supervisory circuit designed to monitor power supply voltages in microprocessor-based systems. It ensures reliable system operation by generating a reset signal if the supply voltage drops below a specified threshold. It includes a watchdog timer to detect software lockups and a manual reset input for external control.

### **Features:**
- **Precision Voltage Monitoring:** Monitors VCC for undervoltage conditions.  
- **Adjustable or Fixed Reset Thresholds:** Multiple options for different applications.  
- **Watchdog Timer:** Detects system failures and triggers a reset.  
- **Manual Reset Input:** Allows external reset initiation.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Power-On Reset (POR):** Ensures proper initialization at power-up.  
- **Compact SOIC Package:** Space-efficient for PCB designs.  

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

Application Scenarios & Design Considerations

Low-Cost, uP Supervisory Circuits

Alternative Part Number

  • ADM707ARZ --: Pin-compatible microprocessor supervisory circuit with reset and watchdog functions, direct functional equivalent to the MAX707 in an SOIC package.
  • TL7705ACP --: Widely available supply-voltage supervisor with reset output, suitable replacement for basic reset/supervisory functions though pinout differs.
  • MC33064P-5 --: Undervoltage sensing circuit providing reset signal, low-cost alternative for supply monitoring applications with adjusted external circuitry.
  • ICL707CPA --: Equivalent supervisory IC offering reset output and watchdog timer, widely used as a drop-in replacement for the MAX707 series.
  • ICL707CPD --: Classic supervisory IC with the same reset/watchdog feature set and 8-pin DIP/SOIC footprint, suitable as a drop-in replacement in most designs.
  • TL7705ACD --: Widely available supply-voltage supervisor with reset output, suitable replacement for basic reset/supervisory functions in many MAX707 applications.
  • MC33064D-5 --: Undervoltage sensing circuit with reset output, low-cost alternative for supply monitoring and reset generation where watchdog is not required.

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