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MAX708TCPA from MAXIM,MAXIM - Dallas Semiconductor

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MAX708TCPA

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX708TCPA MAXIM 2500 In Stock

Description and Introduction

+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits The MAX708TCPA 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 (Analog Devices)  
- **Part Number:** MAX708TCPA  
- **Package:** 8-pin PDIP (Plastic Dual In-Line Package)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Factory-set (e.g., 4.40V, 4.00V, 3.08V, etc.)  
- **Reset Timeout Period:** 200ms (min)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Manual Reset Input:** Active-low (MR) with debounce  
- **Watchdog Timer:** 1.6s timeout (typical)  

### **Descriptions:**
The MAX708TCPA 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 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:**
1. **Voltage Monitoring:** Monitors VCC and asserts reset if voltage drops below the preset threshold.  
2. **Reset Output:** Active-low RESET signal for μP initialization.  
3. **Watchdog Timer:** Requires periodic toggling to prevent system reset (1.6s default timeout).  
4. **Manual Reset Input:** Allows external pushbutton reset (debounced).  
5. **Low Power Consumption:** Typically 50μA supply current.  
6. **No External Components:** Requires minimal external circuitry.  
7. **Guaranteed Reset Valid Down to VCC = 1V.**  

For exact threshold options and additional details, refer to the official datasheet from Maxim Integrated (Analog Devices).

Application Scenarios & Design Considerations

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

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