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MAX808MCSA from MAXIM,MAXIM,MAXIM - Dallas Semiconductor

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MAX808MCSA

Manufacturer: MAXIM,MAXIM

Supervisory circuit with +-1.5% reset accuracy. Reset threshold(typ) 4.425V. CMOS RAM write protection..

Partnumber Manufacturer Quantity Availability
MAX808MCSA MAXIM,MAXIM 28947 In Stock

Description and Introduction

Supervisory circuit with +-1.5% reset accuracy. Reset threshold(typ) 4.425V. CMOS RAM write protection.. The MAX808MCSA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor Supervisory Circuit  
- **Package:** 8-Pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (factory-set)  
- **Reset Timeout Period:** Typically 140ms (adjustable in some variants)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** Typically 5μA (low power consumption)  
- **Output Type:** Active-low RESET (open-drain or push-pull depending on variant)  

### **Descriptions:**
The MAX808MCSA monitors system voltage levels and provides a reset signal to the microprocessor when the supply voltage falls below a preset threshold. It ensures proper system initialization and prevents data corruption during power-up, power-down, or brownout conditions.  

### **Features:**
- **Low Power Consumption:** Minimal current draw for battery-operated applications.  
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Adjustable or Fixed Threshold:** Available in different variants for flexibility.  
- **Manual Reset Input:** Allows external reset triggering.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V systems.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained designs.  
- **Industrial Temperature Range:** Suitable for harsh environments (-40°C to +85°C).  

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

Application Scenarios & Design Considerations

Supervisory circuit with +-1.5% reset accuracy. Reset threshold(typ) 4.425V. CMOS RAM write protection..

Alternative Part Number

  • ADM708ARZ --: Pin-compatible microprocessor supervisory circuit with reset and watchdog functions, widely available and a direct functional replacement for the MAX808.
  • DS1232LPS --: Microprocessor supervisor with reset and watchdog in the same family ecosystem, offering similar supply monitoring and reset timing behavior.
  • TL7705ACP --: Low-cost supply voltage supervisor with reset output, suitable as a functional substitute where watchdog timing is not critical.
  • ADM708AN --: Pin-compatible microprocessor supervisory circuit with reset and watchdog functions, widely available and functionally equivalent to the MAX808.
  • MC34064P-5 --: Low-cost 5V undervoltage sensing circuit with reset output, provides basic supervisory function as a fallback alternative.
  • DS1232 --: Microprocessor supervisor with reset and watchdog timing, similar supervisory role and commonly used as a drop-in functional substitute.

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