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X4003M8I-4.5A from XICOR

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X4003M8I-4.5A

Manufacturer: XICOR, INTERSIL

CPU Supervisor

Partnumber Manufacturer Quantity Availability
X4003M8I-4.5A,X4003M8I45A XICOR, INTERSIL 700 In Stock

Description and Introduction

CPU Supervisor The part **X4003M8I-4.5A** is manufactured by **Intersil**. Below are its specifications, descriptions, and features based on the available knowledge:  

### **Specifications:**  
- **Manufacturer:** Intersil  
- **Part Number:** X4003M8I-4.5A  
- **Package:** 8-Lead SOIC (M8)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Endurance:** 100,000 write cycles per byte  
- **Data Retention:** 100 years  
- **Interface:** I²C-compatible (2-wire serial interface)  
- **Memory Type:** EEPROM (Electrically Erasable Programmable Read-Only Memory)  
- **Memory Size:** 4Kb (512 x 8)  

### **Descriptions:**  
- The **X4003M8I-4.5A** is a 4Kb serial EEPROM with an I²C interface.  
- It is designed for low-power, non-volatile memory storage applications.  
- The device supports byte-write and page-write operations.  
- It includes a write-protect feature for hardware data protection.  

### **Features:**  
- **Low Power Consumption:**  
  - Active Read Current: 1 mA (max)  
  - Standby Current: 1 µA (max)  
- **I²C-Compatible Interface:** Supports standard (100 kHz) and fast (400 kHz) modes.  
- **Built-in Write Protection:** WP pin enables hardware write protection.  
- **Schmitt Trigger Inputs:** Noise suppression on SDA and SCL lines.  
- **Self-Timed Write Cycle:** Includes automatic erase-before-write operation.  
- **Industrial Temperature Range:** -40°C to +85°C.  

This information is based strictly on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

CPU Supervisor

Alternative Part Number

  • MAX811TEUS+T --: Pin-compatible 4-pin voltage supervisor with manual reset and active-low reset output, functionally similar to the X4003 supervisor family.
  • ADM811TARTZ-REEL --: Low-cost 4-pin microprocessor supervisory circuit with reset output, a common drop-in substitute for Xicor X4003-type supervisors.
  • CAT811TTBI-GT3 --: 4-pin voltage supervisor with manual reset input and active-low reset, offering comparable threshold and timing behavior.
  • MAX6734KASD3+T --: Supervisory circuit with adjustable reset threshold and manual reset, functionally similar to the X4003 supervisor plus EEPROM combination; different series and prefix make it easy to distinguish.
  • ADM6316CY29ARJZ-R7 --: Voltage supervisor with reset output in a small SOT-23 package, comparable supply monitoring function and widely available alternate source.
  • TPS3808G01DBVR --: Adjustable-threshold supervisor with programmable delay, covers the reset/supervisory role of the original device and comes from a different manufacturer and series.

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