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X5043

CPU Supervisor with 4k SPI EEPROM

Partnumber Manufacturer Quantity Availability
X5043 524 In Stock

Description and Introduction

CPU Supervisor with 4k SPI EEPROM Part X5043 is a microprocessor supervisor circuit designed to monitor power supplies in microprocessor and digital systems. Here are its key specifications, descriptions, and features:

### **Manufacturer Specifications:**
- **Supply Voltage Range:** 1.8V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (2.63V, 2.93V, 3.08V, 4.38V, 4.63V)  
- **Reset Timeout Period:** 200ms (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** 8-pin SOIC, 8-pin PDIP  

### **Descriptions:**
- The X5043 integrates a voltage supervisor, watchdog timer, and serial EEPROM in a single chip.  
- It ensures proper system operation by monitoring the power supply and generating a reset signal if the voltage falls below a specified threshold.  
- The watchdog timer resets the system if the software fails to respond within a set time.  
- Includes 512 x 8 bits of serial EEPROM for non-volatile data storage.  

### **Features:**
- **Voltage Monitoring:** Automatically resets the system during power-up, power-down, or brownout conditions.  
- **Watchdog Timer:** User-selectable timeout periods (200ms, 600ms, 1.4s, or disabled).  
- **Serial EEPROM:** SPI-compatible interface for read/write operations.  
- **Low Power Consumption:** Typically 10µA standby current.  
- **Manual Reset Input:** Allows for external system reset.  
- **High Reliability:** Endurance of 1,000,000 write cycles and data retention of 100 years.  

This information is based solely on the manufacturer's datasheet for the X5043.

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