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X25040P from XICOR

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X25040P

Manufacturer: XICOR

SPI Serial E2PROM with Block LockTM Protection

Partnumber Manufacturer Quantity Availability
X25040P XICOR 511 In Stock

Description and Introduction

SPI Serial E2PROM with Block LockTM Protection Part X25040P is manufactured by XICOR. Below are the specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

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

### **Descriptions:**  
- The X25040P is a 4Kbit (512 x 8) Serial EEPROM with a built-in SPI interface.  
- It features a software-controlled write protection mechanism and a hardware write protection pin (WP).  
- The device supports sequential read operations for faster data access.  

### **Features:**  
- **SPI-Compatible Interface** (Mode 0 & 3)  
- **Block Lock Protection** (1/4, 1/2, or full array protection)  
- **Low-Power CMOS Technology**  
- **Self-Timed Write Cycle** (5ms max)  
- **Built-in Noise Rejection**  
- **ESD Protection:** > 2000V  

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

Application Scenarios & Design Considerations

SPI Serial E2PROM with Block LockTM Protection

Alternative Part Number

  • M95040-WMN6TP --: SPI EEPROM with the same 4Kbit density and similar pinout, widely available and a common drop-in replacement for X25040.
  • 25LC040A-I/P --: 4Kbit SPI serial EEPROM in DIP-8, functionally equivalent to the X25040 with compatible SPI interface and pinout.
  • CAT25040VI-GT3 --: 4Kbit SPI EEPROM offering equivalent memory density and interface, suitable as an alternative with good availability.

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