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MAX809L from MAX,MAXIM - Dallas Semiconductor

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MAX809L

Manufacturer: MAX, MAXIM

3-Pin Microprocessor Reset Circuits

Partnumber Manufacturer Quantity Availability
MAX809L MAX, MAXIM 5500 In Stock

Description and Introduction

3-Pin Microprocessor Reset Circuits The MAX809L is a microprocessor reset circuit manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** 2.63V, 2.93V, 3.08V, 4.38V, 4.63V (selectable)  
- **Reset Timeout Period:** 140ms (minimum)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 8µA (typical)  
- **Output Type:** Active-low RESET (open-drain or push-pull)  
- **Package Options:** SOT23-3, SC70-3  

### **Descriptions:**  
The MAX809L is a low-power microprocessor reset monitor designed to provide a reset signal to the host processor when the supply voltage drops below a preset threshold. It ensures proper system operation during power-up, power-down, and brownout conditions.  

### **Features:**  
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **No External Components Required:** Simplifies circuit design.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reset signal integrity.  
- **Small Form Factor:** Available in compact SOT23 and SC70 packages.  

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

Application Scenarios & Design Considerations

3-Pin Microprocessor Reset Circuits

Alternative Part Number

  • ADM809LARTZ-REEL --: Pin-compatible microprocessor reset supervisor with the same active-low reset and threshold, from a different series and vendor.
  • TL7705ACDR --: Widely available supply-voltage supervisor with adjustable threshold and reset output, suitable functional replacement.
  • MCP130-450HI/TO --: Low-cost voltage supervisor in a different series offering comparable reset functionality for 5V systems.
  • ADM809LARTZ --: Pin-compatible microprocessor reset supervisor with the same active-low reset and threshold, from the original Maxim product line now owned by Analog Devices.
  • TL7705ACP --: Widely available voltage supervisor/reset IC with adjustable threshold that can be configured to match the MAX809L reset function.
  • MCP130-475DI/TO --: Low-cost 3-pin reset supervisor with active-low output and similar threshold, suitable as a functional replacement in most reset circuits.

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