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MAX816CPA from MAX,MAXIM - Dallas Semiconductor

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MAX816CPA

Manufacturer: MAX

【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX816CPA MAX 335 In Stock

Description and Introduction

【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits The MAX816CPA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX816CPA  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  
- **Supply Voltage (VCC):** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (typically 4.65V for 5V systems)  
- **Reset Timeout Period:** 200ms (typical)  
- **Operating Temperature Range:** 0°C to +70°C (Commercial grade)  
- **Quiescent Current:** 15μA (typical)  
- **Manual Reset Input:** Active-low (MR)  
- **Watchdog Timer:** Yes (1.6s timeout, if applicable)  
- **Output Type:** Active-low reset (RESET)  

### **Descriptions:**  
The MAX816CPA is a low-power microprocessor supervisory circuit designed to monitor power supply voltages in μP-based systems. It ensures proper system operation by generating a reset signal when VCC falls below a preset threshold or when manually triggered. It includes a watchdog timer to detect software crashes.  

### **Features:**  
- **Power Supply Monitoring:** Monitors VCC and asserts reset if voltage drops below threshold.  
- **Manual Reset Input:** Allows external push-button reset.  
- **Watchdog Timer:** Detects system lock-up if not toggled within a set time.  
- **Low Power Consumption:** 15μA typical quiescent current.  
- **Adjustable or Fixed Threshold:** Available in different reset voltage variants.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reliable reset assertion.  
- **200ms Reset Pulse Width:** Provides sufficient time for μP initialization.  

This information is strictly factual from the manufacturer's datasheet.

Application Scenarios & Design Considerations

【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits

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