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MAX708SCSA-T from MAX,MAXIM - Dallas Semiconductor

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MAX708SCSA-T

Manufacturer: MAX, MAXIM

+3V Voltage Monitoring, Low-Cost, µP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX708SCSA-T,MAX708SCSAT MAX, MAXIM 102771 In Stock

Description and Introduction

+3V Voltage Monitoring, Low-Cost, µP Supervisory Circuits The MAX708SCSA-T is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** 2.63V, 2.93V, 3.08V, 4.38V, 4.63V (factory-set)  
- **Reset Timeout Period:** 200ms (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Manual Reset Input:** Active-low (MR) for external reset control  
- **Power-On Reset (POR) Generator:** Ensures proper system initialization  
- **Watchdog Timer:** 1.6s timeout (default), resettable via WDI input  

### **Descriptions:**  
The MAX708SCSA-T monitors power supply voltages and provides a reset signal to the microprocessor during power-up, power-down, or brownout conditions. It includes a watchdog timer to detect software lockups and a manual reset input for external control.  

### **Features:**  
- **Low Power Consumption:** 50μA (typical)  
- **Precision Voltage Monitoring:** Ensures reliable reset thresholds  
- **Watchdog Timer:** Prevents system crashes due to code execution errors  
- **Manual Reset Capability:** Allows user-initiated reset via MR pin  
- **Guaranteed Reset Assertion Down to VCC = 1V**  
- **Space-Saving 8-Pin SOIC Package**  

This device is commonly used in embedded systems, industrial controls, and automotive applications where reliable power monitoring is critical.

Application Scenarios & Design Considerations

+3V Voltage Monitoring, Low-Cost, µP Supervisory Circuits

Alternative Part Number

  • ADM708SARZ --: Pin-compatible supervisory IC with the same reset threshold and functions, widely available and a direct functional drop-in.
  • TL7705ACD --: Classic 5V supply supervisor with reset output, similar threshold and timing, commonly used as a replacement in supervisory circuits.
  • MC33064D-5 --: Undervoltage sensing circuit with 5V threshold and reset output, suitable alternative when exact pinout adaptation is acceptable.
  • MC33064D-5G --: 5V undervoltage sensing circuit with reset output, a cost-effective alternative for basic supervisor needs.

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