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MAX708SCSA from AD,Analog Devices

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MAX708SCSA

Manufacturer: AD, MAX, MAXI, MAXIM, MAXIM

+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX708SCSA AD, MAX, MAXI, MAXIM, MAXIM 87078 In Stock

Description and Introduction

+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits The MAX708SCSA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (2.63V, 2.93V, 3.08V, 4.38V, 4.63V)  
- **Reset Timeout Period:** 140ms (min), 200ms (typ), 280ms (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Manual Reset Input:** Active-low (MR)  
- **Power-On Reset (POR):** Ensures valid reset on power-up  
- **Watchdog Timer:** 1.6s timeout (adjustable via external capacitor)  
- **Output Type:** Active-low, open-drain (RESET)  

### **Descriptions:**  
The MAX708SCSA monitors microprocessor power supplies, providing a reset signal during power-up, power-down, or brownout conditions. It includes a watchdog timer to detect software failures and a manual reset input for user-initiated resets.  

### **Features:**  
- **Power Supply Monitoring:** Guarantees proper μP reset during voltage irregularities.  
- **Adjustable Reset Threshold:** Allows customization for different voltage levels.  
- **Watchdog Timer:** Prevents system lockup by resetting the μP if software fails to toggle the watchdog input.  
- **Manual Reset Capability:** Supports external reset triggering via the MR pin.  
- **Low Power Consumption:** Typically 50μA supply current.  
- **Open-Drain RESET Output:** Compatible with multiple voltage systems.  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits

Alternative Part Number

  • ADM708SARZ --: Same-function supervisor IC from ADI's ADM708 series with active-low reset and manual reset, direct functional equivalent in a different series name.
  • TL7705ACP --: Widely used 5V supply supervisor with reset output and manual reset input, pin-compatible in most designs and from a different vendor series.
  • MC34064P-5 --: Low-cost 5V undervoltage sensing circuit providing reset output, suitable drop-in alternative for basic supervisor applications.
  • TL7705ACD --: Similar voltage supervisor with reset output, commonly used as a functional substitute in many designs.
  • MCP130-475DI/TO --: Simple 4.75V reset supervisor offering comparable monitoring behavior for alternative sourcing.
  • MC33064P-5 --: Undervoltage sensing circuit with similar 5V monitoring and reset behavior, offering a cost-effective alternative from a different series.

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