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MAX708REPA from MAX,MAXIM - Dallas Semiconductor

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MAX708REPA

Manufacturer: MAX, MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX708REPA MAX, MAXIM 5088 In Stock

Description and Introduction

+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits The MAX708REPA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
- **MAXIM INTEGRATED (now Analog Devices)**

### **Specifications:**  
- **Supply Voltage (VCC):** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (2.63V, 2.93V, 3.08V, 4.38V, 4.63V)  
- **Reset Timeout Period:** 200ms (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-line Package)  

### **Descriptions:**  
- Monitors power supply voltage for μP and digital systems.  
- Provides a reset signal to the μP when VCC falls below a preset threshold.  
- Includes manual reset input for external triggering.  
- Features a watchdog timer to detect software lockups.  

### **Features:**  
- **Precision Voltage Monitoring:** Ensures reliable reset generation.  
- **Manual Reset Input:** Allows external system reset.  
- **Watchdog Timer:** Resets the system if software fails to toggle within 1.6s.  
- **Low Power Consumption:** Typically 50μA supply current.  
- **Guaranteed Reset Valid Down to VCC = 1V.**  
- **No External Components Required** for basic operation.  

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, レP Supervisory Circuits

Alternative Part Number

  • ADM708RAN --: Pin-compatible supervisory IC with the same reset threshold and functions, widely available from a different vendor.
  • TL7705ACP --: Classic 5V supply supervisor with adjustable reset delay, a common drop-in style replacement for MAX708-type circuits.
  • MC34064P-5 --: Low-cost 5V undervoltage sensing reset IC with similar reset output behavior, suitable for many MAX708 applications.
  • ADM708RANZ --: Pin-compatible microprocessor supervisor with reset threshold and functions matching the MAX708R, from the original manufacturer's successor line.
  • TL7705ACPE4 --: Widely available 5V supply supervisor with reset output, functionally similar to the MAX708R and easy to source.
  • MC34064P-5G --: Low-cost 5V undervoltage sensing circuit with reset output, suitable as a functional substitute in many supervisor applications.

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