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X24645G from XICOR

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X24645G

Manufacturer: XICOR

Advanced 2-Wire Serial E2PROM with Block LockTM Protection

Partnumber Manufacturer Quantity Availability
X24645G XICOR 516 In Stock

Description and Introduction

Advanced 2-Wire Serial E2PROM with Block LockTM Protection **Part Number:** X24645G  
**Manufacturer:** XICOR  

### **Specifications:**  
- **Memory Type:** Serial EEPROM  
- **Memory Size:** 4Kbit (512 x 8)  
- **Interface:** SPI (Serial Peripheral Interface)  
- **Voltage Range:** 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 Options:** 8-pin SOIC, 8-pin PDIP  

### **Descriptions:**  
The X24645G is a 4Kbit serial EEPROM with an SPI-compatible interface. It is designed for low-power, high-reliability applications and supports both industrial and commercial temperature ranges.  

### **Features:**  
- **SPI Interface:** Supports Mode 0 and Mode 3 operation.  
- **Hardware Write Protection:** WP pin for protecting memory blocks.  
- **Software Write Protection:** Configurable block protection.  
- **Low Power Consumption:** Active current (3mA max), standby current (10µA max).  
- **Page Write Mode:** Allows up to 16 bytes to be written in a single operation.  
- **Self-Timed Write Cycle:** No external timing required.  

This information is based solely on the provided knowledge base.

Application Scenarios & Design Considerations

Advanced 2-Wire Serial E2PROM with Block LockTM Protection

Alternative Part Number

  • CAT24C64WI-GT3 --: 64Kbit I2C serial EEPROM in SOIC-8, functionally equivalent to the X24645 with compatible I2C interface and pinout.
  • 24LC64-I/SN --: Widely available 64Kbit I2C EEPROM in SOIC-8, drop-in compatible with the X24645 for most designs.
  • M24C64-WMN6TP --: 64Kbit I2C EEPROM in SOIC-8 with similar voltage range and timing, suitable replacement for the X24645.
  • CAT24C256WI-GT3 --: I2C serial EEPROM with 256Kb density, similar 8-pin SOIC package and 2-wire interface; widely available and pin-compatible in most designs.
  • 24LC256-I/SN --: Industry-standard I2C EEPROM in 8-pin SOIC, same interface and comparable density; excellent second-source availability and long-term supply.
  • M24512-WMN6TP --: I2C serial EEPROM in SOIC-8 with similar voltage range and interface; a viable alternative when higher density or alternate sourcing is needed.

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