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MAX812LEUS-T from MAX,MAXIM - Dallas Semiconductor

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MAX812LEUS-T

Manufacturer: MAX, MAXIM

Microprocessor voltage monitor with manual reset input. Reset threshold voltage 4.63V. Push-pull active-high reset output.

Partnumber Manufacturer Quantity Availability
MAX812LEUS-T,MAX812LEUST MAX, MAXIM 43200 In Stock

Description and Introduction

Microprocessor voltage monitor with manual reset input. Reset threshold voltage 4.63V. Push-pull active-high reset output. The MAX812LEUS-T 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:** SOT-143-4  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (e.g., 2.63V, 2.93V, 3.08V, 4.38V, etc.)  
- **Reset Timeout Period:** 140ms (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 6μA (typical)  

### **Descriptions:**  
The MAX812LEUS-T monitors microprocessor power supplies and generates a reset signal if the voltage drops below a preset threshold. It ensures proper system operation by holding the reset signal active until the supply voltage stabilizes.  

### **Features:**  
- **Low Power Consumption:** Only 6μA typical supply current.  
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V systems.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reset assertion even at very low voltages.  
- **Small Package:** SOT-143-4 for space-constrained applications.  

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

Application Scenarios & Design Considerations

Microprocessor voltage monitor with manual reset input. Reset threshold voltage 4.63V. Push-pull active-high reset output.

Alternative Part Number

  • ADM812LARTZ-REEL --: Pin-compatible microprocessor supervisor with active-low reset and watchdog in SOT-143, functionally equivalent to the MAX812L.
  • TPS3808G01DBVR --: Adjustable-threshold supervisor with programmable reset delay and watchdog, suitable replacement in SOT-23 with similar monitoring function.
  • CAT823STDI-GT3 --: Low-cost voltage supervisor with manual reset and watchdog in SOT-23, offers comparable reset threshold and timing behavior.
  • MCP1316T-46FE/OT --: Low-power voltage supervisor with a similar 4.6V reset threshold and active-low push-pull reset output, suitable as a functional replacement.

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