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MAX708TCUA from MAX,MAXIM - Dallas Semiconductor

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MAX708TCUA

Manufacturer: MAX, MAXIM, MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX708TCUA MAX, MAXIM, MAXIM 43 In Stock

Description and Introduction

+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits The MAX708TCUA 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:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX708TCUA  
- **Package:** 8-pin μMAX  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (1.6V, 2.32V, 2.63V, 2.93V, 3.08V, 4.38V, 4.63V)  
- **Reset Timeout Period:** 200ms (min)  
- **Manual Reset Input:** Active-low (MR)  
- **Power-Fail Comparator:** Yes (PFI/PFO)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The MAX708TCUA is a μP supervisory circuit designed to monitor power supply voltages in microprocessor and digital systems. It provides reset signals during power-up, power-down, or brownout conditions to ensure proper system operation. It includes a power-fail comparator for early warning of power loss and a manual reset input for user-initiated resets.

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset generation for μP/μC systems.  
- **Adjustable or Fixed Thresholds:** Multiple reset threshold options available.  
- **Power-Fail Comparator:** Monitors an auxiliary voltage for early power-fail warning.  
- **Manual Reset Input:** Allows external push-button reset control.  
- **Low Power Consumption:** Typically 50μA supply current.  
- **Small Package:** 8-pin μMAX (3mm x 3mm) for space-constrained applications.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V systems.  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • ADM708TARZ --: Pin-compatible microprocessor supervisor with active-low reset and manual reset, same T-grade reset threshold, direct functional drop-in.
  • TL7705ACDR --: Widely available supply-voltage supervisor with adjustable reset threshold and manual reset input, suitable replacement with minor threshold adjustment.
  • MC33064D-5G --: Low-cost 5V undervoltage sensing circuit with open-collector reset output, usable alternative where active-low reset is required.
  • TL7705ACP --: Widely available voltage supervisor with adjustable threshold and reset output, suitable replacement for basic reset/supervision functions.
  • MC33064P-5 --: Low-cost 5V undervoltage sensing circuit providing reset output, usable as a simpler alternative for supply monitoring.

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