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X25040SI from XICOR

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X25040SI

Manufacturer: XICOR

SPI Serial E2PROM with Block LockTM Protection

Partnumber Manufacturer Quantity Availability
X25040SI XICOR 1761 In Stock

Description and Introduction

SPI Serial E2PROM with Block LockTM Protection The part **X25040SI** is manufactured by **XICOR**. Below are the factual details about its specifications, descriptions, and features:  

### **Specifications:**  
- **Type:** Serial EEPROM  
- **Memory Size:** 4 Kbit (512 x 8)  
- **Interface:** SPI (Serial Peripheral Interface)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Write Cycle Endurance:** 1,000,000 cycles  
- **Data Retention:** 100 years  
- **Package:** 8-lead SOIC (Small Outline Integrated Circuit)  

### **Descriptions:**  
- The **X25040SI** is a **4 Kbit CMOS Serial EEPROM** with a built-in **SPI interface**.  
- It integrates a **voltage supervisor** to monitor VCC and reset the system during power-up/down conditions.  
- The device supports **block write protection** for partial or full memory protection.  
- It includes a **write-protect pin (WP)** for hardware protection against accidental writes.  

### **Features:**  
- **SPI-compatible interface** (Mode 0 & 3)  
- **Low-power CMOS technology**  
- **Built-in power-on reset (POR)**  
- **Self-timed write cycle** (5 ms max)  
- **Software and hardware write protection**  
- **Industrial temperature range support**  

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

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