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MAX708TCSA from MAX,MAXIM - Dallas Semiconductor

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MAX708TCSA

Manufacturer: MAX, MAXIM, MAXIM

+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits
Partnumber Manufacturer Quantity Availability
MAX708TCSA MAX, MAXIM, MAXIM 7302 In Stock

Description and Introduction

+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits The MAX708TCSA 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:** MAX708TCSA  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Factory-set (e.g., 4.65V, 4.40V, 3.08V, etc.)  
- **Reset Timeout Period:** 200ms (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Manual Reset Input:** Active-low (MR)  
- **Power-On Reset (POR) Generator:** Yes  
- **Watchdog Timer:** Yes (1.6s typical timeout)  
- **Output Type:** Active-low, push-pull RESET  

### **Descriptions:**
The MAX708TCSA is a μP supervisory circuit designed to monitor power supply voltages in microprocessor-based systems. It ensures proper system operation by generating a reset signal when the supply voltage falls below a preset threshold. It also includes a watchdog timer and manual reset input for additional system reliability.  

### **Features:**
1. **Precision Voltage Monitoring:** Monitors VCC and asserts reset when voltage drops below the threshold.  
2. **Power-On Reset (POR):** Guarantees a reset pulse upon power-up.  
3. **Watchdog Timer:** Detects software crashes by requiring periodic toggling; triggers reset if inactive.  
4. **Manual Reset Input:** Allows external push-button reset control.  
5. **Low Power Consumption:** Typically 50μA supply current.  
6. **Wide Supply Voltage Range:** Operates from 1.2V to 5.5V.  
7. **Factory-Set Thresholds:** Available in multiple voltage options.  
8. **Space-Saving Package:** 8-pin SOIC for compact designs.  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • ADM708TARZ --: Pin-compatible microprocessor supervisory circuit with the same T-grade reset threshold and active-low reset, direct functional drop-in replacement.
  • TL7705ACD --: Widely used 5V supply voltage supervisor with adjustable reset threshold and active-low reset, suitable substitute with minor threshold adjustment.
  • MC34064D-5 --: 5V undervoltage sensing circuit providing reset output, commonly used as an alternative supervisor in similar applications.
  • TC1270ATVRCTR --: Pin-compatible supervisor IC with active-low reset and manual reset input, functionally equivalent to the MAX708 in most applications.
  • STM708TAM6E --: Comparable voltage supervisor with manual reset and active-low reset output, suitable drop-in replacement in typical circuits.
  • MC33064D-5G --: Low-cost 5V undervoltage sensing circuit with open-collector reset output, suitable as a functional substitute in many designs.
  • TL7705ACP --: Widely available voltage supervisor with comparable reset threshold and active-low reset output, different naming and series.
  • MCP130T-450I/TT --: Low-cost 4.5V supervisor offering similar reset functionality in a different package family and series.

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