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MAX816CSA from MAX,MAXIM - Dallas Semiconductor

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MAX816CSA

Manufacturer: MAX, MAXIM, MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX816CSA MAX, MAXIM, MAXIM 136 In Stock

Description and Introduction

【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits The MAX816CSA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor Supervisor  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Factory-set (e.g., 4.63V, 4.38V, 3.08V, 2.93V, 2.63V, 2.32V)  
- **Reset Timeout Period:** 140ms (min), 280ms (typ)  
- **Operating Temperature Range:** 0°C to +70°C (Commercial)  
- **Quiescent Current:** 40μA (typ)  
- **Manual Reset Input:** Active-low (MR)  
- **Watchdog Timer:** 1.6s (typ)  

### **Descriptions:**  
The MAX816CSA monitors the power supply voltage of a microprocessor and provides a reset signal if the voltage drops below a preset threshold. It ensures proper system initialization and prevents data corruption during power-up, power-down, or brownout conditions. It includes a watchdog timer and manual reset functionality for enhanced system reliability.  

### **Features:**  
- **Precision Voltage Monitoring:** Ensures accurate reset triggering.  
- **Low Power Consumption:** 40μA typical quiescent current.  
- **Manual Reset Input:** Allows external reset control.  
- **Watchdog Timer:** Detects software crashes and resets the system.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reliable operation.  
- **No External Components Required:** Simplifies circuit design.  
- **Space-Saving 8-Pin SOIC Package:** Suitable for compact designs.  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • ADM707ARZ --: Supervisory circuit with reset and watchdog functions in an 8-pin SOIC package, functionally similar to the MAX816 and widely available.
  • TL7705ACD --: Classic 5V supply voltage supervisor with reset output, a common drop-in style replacement for microprocessor supervisory circuits.
  • MC33064D-5G --: 5V undervoltage sensing circuit with reset output in SOIC-8, offering comparable supervisory functionality at low cost.
  • ADM708SARZ --: Supervisory circuit with reset and watchdog functions in an 8-pin SOIC package, functionally similar to the MAX816 and widely available from a different series.
  • TL7705ACP --: Classic 5V supply voltage supervisor with reset output, functionally similar and easy to source as an alternative.
  • MC34064P-5 --: Undervoltage sensing circuit providing reset for microprocessor systems, suitable functional substitute when exact pinout is not critical.

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