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X28C256DM-20 from XICOR

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X28C256DM-20

Manufacturer: XICOR

5 Volt, Byte Alterable E2PROM

Partnumber Manufacturer Quantity Availability
X28C256DM-20,X28C256DM20 XICOR 500 In Stock

Description and Introduction

5 Volt, Byte Alterable E2PROM The X28C256DM-20 is a 256Kbit (32K x 8) CMOS EEPROM manufactured by XICOR. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Organization:** 32K x 8 (256Kbit)  
- **Supply Voltage:** 5V ±10%  
- **Access Time:** 200ns (max)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 28-pin DIP (Dual In-line Package)  
- **Endurance:** 100,000 write cycles (minimum)  
- **Data Retention:** 100 years (minimum)  

### **Descriptions:**  
- The X28C256DM-20 is a byte-alterable EEPROM with a fast read access time.  
- It features a **page write mode** for faster programming (up to 16 bytes per write cycle).  
- Compatible with JEDEC-standard pinouts for easy replacement of older EPROMs.  
- Supports both **parallel data interface** and **software data protection** to prevent accidental writes.  

### **Features:**  
- **Low Power Consumption:**  
  - Active Read Current: 30mA (max)  
  - Standby Current: 100µA (max)  
- **Fast Write Cycle Time:** 10ms (max) per byte or page  
- **Hardware & Software Write Protection:** Prevents unintended writes  
- **CMOS Technology:** Ensures high reliability and low power operation  
- **Automatic Write Timing:** Internal control for simplified interfacing  

This EEPROM is commonly used in applications requiring non-volatile memory storage, such as embedded systems, industrial controls, and telecommunications equipment.

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