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X4043M8I from XICOR

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X4043M8I

Manufacturer: XICOR, INTERSIL, INTERSIL

CPU Supervisor with 4kbit EEPROM

Partnumber Manufacturer Quantity Availability
X4043M8I XICOR, INTERSIL, INTERSIL 803 In Stock

Description and Introduction

CPU Supervisor with 4kbit EEPROM The part **X4043M8I** is manufactured by **INTERSIL**. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** INTERSIL  
- **Type:** Serial EEPROM with Supervisor (Voltage Monitor, Watchdog Timer, and Block Lock Protection)  
- **Interface:** I²C (2-wire serial interface)  
- **Memory Size:** 4 Kbit (512 x 8)  
- **Voltage Range:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-lead SOIC (M8)  

### **Descriptions:**  
- The **X4043M8I** integrates a **4 Kbit serial EEPROM** with a **voltage supervisor**, **watchdog timer**, and **block lock protection** in a single chip.  
- It is designed for applications requiring **non-volatile memory storage** along with **system monitoring** functions.  

### **Features:**  
- **EEPROM Features:**  
  - 4 Kbit (512 x 8) organization  
  - I²C-compatible interface (supports 400 kHz)  
  - Software and hardware write protection  
  - Self-timed write cycle (5 ms max)  
- **Supervisory Features:**  
  - Precision voltage monitoring for **2.7V to 5.5V** systems  
  - Adjustable watchdog timer (150 ms to 600 ms)  
  - Manual reset input  
  - Power-on reset and brown-out detection  
- **Additional Protection:**  
  - Block Lock™ protection for secure memory sectors  
  - High reliability (1 million write cycles, 100-year data retention)  

This information is strictly factual and sourced from the manufacturer's datasheet. Let me know if you need further details.

Application Scenarios & Design Considerations

CPU Supervisor with 4kbit EEPROM

Alternative Part Number

  • MAX6369KA+T --: Voltage supervisor with similar reset and watchdog functions in a small package, a common replacement for Xicor supervisory ICs.
  • ADM706RARZ --: Widely available microprocessor supervisory circuit offering reset and watchdog functions comparable to the X4043 series.
  • CAT1161WI-30 --: Supervisory IC with reset and watchdog features in an SOIC package, suitable as a functional substitute.
  • MAX6374KA --: Voltage supervisor with watchdog and manual reset in a small package, functionally similar to the X4043 supervisory function.
  • ADM6316DZ29ARJZ --: Precision voltage supervisor with reset output, comparable supply monitoring role and low power consumption.
  • TPS3808G01DBVR --: Adjustable voltage supervisor with programmable delay and reset output, suitable replacement for supply monitoring applications.
  • ADM803SAKSZ-REEL --: Low-cost microprocessor supervisory circuit with manual reset and watchdog, comparable reset threshold and logic interface to the X4043.
  • TPS3705-33DGNR --: Integrated supply voltage supervisor with watchdog and manual reset in MSOP, offering similar supervisory features for 3.3V systems.

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