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X28C64S-15 from XICOR

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X28C64S-15

Manufacturer: XICOR

5 Volt, Byte Alterable E2PROM

Partnumber Manufacturer Quantity Availability
X28C64S-15,X28C64S15 XICOR 58 In Stock

Description and Introduction

5 Volt, Byte Alterable E2PROM The **X28C64S-15** is a 64K (8K x 8) CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by **Xicor**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Memory Size:** 64Kbit (8K x 8)  
- **Access Time:** 150ns  
- **Operating Voltage:** 5V ±10%  
- **Operating Temperature Range:**  
  - Commercial: 0°C to +70°C  
  - Industrial: -40°C to +85°C  
- **Endurance:** 100,000 write cycles (minimum)  
- **Data Retention:** 100 years (minimum)  
- **Package Options:**  
  - 28-lead PDIP (Plastic Dual In-Line Package)  
  - 28-lead SOIC (Small Outline Integrated Circuit)  

### **Descriptions:**
- The X28C64S-15 is a **byte-alterable** EEPROM, allowing individual byte erasure and programming.  
- It features a **low-power CMOS** design, making it suitable for battery-backed applications.  
- The device supports a **simple 3-wire interface** (CE, OE, WE) for easy integration into systems.  
- It includes **internal control circuitry** for automatic write timing and data verification.  

### **Features:**
- **Fast Read Access Time:** 150ns  
- **Low Power Consumption:**  
  - Active Current: 30mA (max)  
  - Standby Current: 100μA (max)  
- **Automatic Write Cycle:**  
  - Self-timed programming cycle (5ms max)  
  - No external components required  
- **Hardware & Software Data Protection:**  
  - VCC power-up/down protection  
  - Write lockout during power transitions  
- **TTL & CMOS Compatible Inputs/Outputs**  
- **JEDEC Standard Pinout** (Compatible with other 28-pin EEPROMs)  

This EEPROM is commonly used in **embedded systems, industrial controls, telecommunications, and consumer electronics** where non-volatile memory storage is required.

Application Scenarios & Design Considerations

5 Volt, Byte Alterable E2PROM

Alternative Part Number

  • AT28C64B-15JC --: Pin-compatible 8K x 8 parallel EEPROM with 150 ns access time, direct functional replacement for the X28C64 in most designs.
  • M28C64-15 --: 8K x 8 parallel EEPROM with 150 ns access time and compatible pinout, suitable drop-in substitute for the X28C64S-15.
  • NM28C64-15 --: Equivalent 64Kbit parallel EEPROM with 150 ns speed grade, matches the original device's interface and timing.
  • AT28C64B-15PU --: Direct functional equivalent 64Kbit parallel EEPROM with 150ns access time, widely available and pin-compatible with the X28C64 in most designs.

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