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X28HC256JI-15 from XICOR

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X28HC256JI-15

Manufacturer: XICOR, INTERSIL

5 Volt, Byte Alterable E2PROM

Partnumber Manufacturer Quantity Availability
X28HC256JI-15,X28HC256JI15 XICOR, INTERSIL 362 In Stock

Description and Introduction

5 Volt, Byte Alterable E2PROM The **X28HC256JI-15** is a high-speed CMOS EEPROM manufactured by **INTERSIL**. Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Memory Size:** 256Kbit (32K x 8)  
- **Technology:** High-Speed CMOS  
- **Access Time:** 15ns  
- **Operating Voltage:** 5V ±10%  
- **Operating Temperature Range:** Industrial (-40°C to +85°C)  
- **Package:** 28-lead PLCC (Plastic Leaded Chip Carrier)  
- **Endurance:** 100,000 write cycles (minimum)  
- **Data Retention:** 100 years (minimum)  

### **Descriptions:**  
- The **X28HC256JI-15** is a high-performance, byte-alterable EEPROM with a fast access time.  
- It is designed for applications requiring non-volatile memory with high-speed read and write operations.  
- The device supports a simple **byte-write** operation and includes an automatic write cycle with internal timing.  

### **Features:**  
- **Fast Read Access Time:** 15ns  
- **Low Power Consumption:**  
  - Active Read Current: 30mA (typical)  
  - Standby Current: 100μA (typical)  
- **Hardware & Software Data Protection:**  
  - Write protection via **/WE** (Write Enable) pin  
  - Software-controlled write protection  
- **Automatic Write Cycle Timing:** Self-timed programming cycle (10ms max)  
- **Compatibility:** Fully compatible with TTL levels for inputs and outputs  
- **High Reliability:** Industrial-grade temperature range and extended endurance  

This information is based on the manufacturer's datasheet for the **X28HC256JI-15** by **INTERSIL**.

Application Scenarios & Design Considerations

5 Volt, Byte Alterable E2PROM

Alternative Part Number

  • AT28HC256-15JI --: Same 32K x 8 high-speed CMOS EEPROM with 150 ns access time in a PLCC package, functionally equivalent to the X28HC256.
  • M28C256-15JI --: 32K x 8 parallel EEPROM with comparable 150 ns speed and PLCC footprint, suitable as a direct functional replacement.
  • NM28C256-15JI --: Equivalent 256Kbit parallel EEPROM with 150 ns access time and JEDEC PLCC pinout, usable as a drop-in alternative.

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