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MAX693ACSE from MAX,MAXIM - Dallas Semiconductor

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MAX693ACSE

Manufacturer: MAX, MAXIM, MAXIM

Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX693ACSE MAX, MAXIM, MAXIM 250 In Stock

Description and Introduction

Microprocessor Supervisory Circuits The MAX693ACSE 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  
- **Part Number:** MAX693ACSE  
- **Package:** 16-pin SOIC (Small Outline Integrated Circuit)  
- **Type:** Microprocessor Supervisory Circuit  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (for 5V operation)  
- **Reset Timeout Period:** Adjustable or fixed (depends on configuration)  
- **Watchdog Timer:** Yes (programmable)  
- **Manual Reset Input:** Yes  
- **Battery Backup Switching:** Yes (supports battery backup for SRAM/CMOS RAM)  
- **Operating Temperature Range:** 0°C to +70°C (Commercial)  

### **Descriptions:**  
The MAX693ACSE is a versatile μP supervisory circuit designed to monitor power supply voltages and provide reset signals to microprocessors during power-up, power-down, or brownout conditions. It includes a watchdog timer, manual reset input, and battery backup switching for memory retention.  

### **Features:**  
- **Power Supply Monitoring:** Monitors VCC for undervoltage conditions.  
- **Reset Output:** Active-low reset signal for microprocessor control.  
- **Watchdog Timer:** Prevents system lockup by requiring periodic toggling.  
- **Battery Backup Control:** Automatically switches to backup battery when VCC fails.  
- **Manual Reset Input:** Allows external pushbutton reset.  
- **Low Power Consumption:** Ideal for battery-backed applications.  
- **Wide Operating Voltage Range:** Supports systems from 1.2V to 5.5V.  

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

Application Scenarios & Design Considerations

Microprocessor Supervisory Circuits

Alternative Part Number

  • ADM693AN --: Pin-compatible microprocessor supervisory circuit with reset and watchdog functions, direct functional equivalent to the MAX693.
  • DS1232 --: Microprocessor supervisor with reset and watchdog timer, widely used as a drop-in functional substitute in supervisory applications.
  • TL7705ACP --: Supply voltage supervisor with reset output, suitable alternative for basic reset/supervisory functions though pinout differs.
  • ADM693AARNZ --: Pin-compatible microprocessor supervisory circuit with reset and watchdog functions, direct functional equivalent to the MAX693A.
  • LTC693CSW --: Similar supervisory IC offering reset, watchdog, and backup-battery switching in a comparable SOIC package.
  • DS1232LPS --: Microprocessor supervisor with reset and watchdog timing, usable as a functional substitute where exact pinout is not critical.

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