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X28HC64DI-90 from XICOR

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X28HC64DI-90

Manufacturer: XICOR

5 Volt, Byte Alterable E2PROM

Partnumber Manufacturer Quantity Availability
X28HC64DI-90,X28HC64DI90 XICOR 960 In Stock

Description and Introduction

5 Volt, Byte Alterable E2PROM The X28HC64DI-90 is a 64K (8K x 8) High-Speed CMOS EEPROM manufactured by Xicor. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Memory Size:** 64Kbit (8K x 8)  
- **Technology:** High-Speed CMOS  
- **Access Time:** 90ns  
- **Supply Voltage:** 5V ±10%  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  
- **Package:** 28-pin DIP (Dual In-line Package)  
- **Endurance:** 100,000 write cycles per byte  
- **Data Retention:** 100 years  

### **Descriptions:**  
- The X28HC64DI-90 is a non-volatile EEPROM with a fast access time of 90ns.  
- It features a byte-write capability, allowing individual bytes to be written without erasing the entire chip.  
- The device supports a simple microprocessor interface with separate address and data lines.  

### **Features:**  
- **Fast Read Access Time:** 90ns  
- **Low Power Consumption:**  
  - Active current: 30mA (typical)  
  - Standby current: 100μA (typical)  
- **Automatic Page Write Operation:** Up to 64 bytes per page  
- **Hardware and Software Data Protection:**  
  - Write protection via control pin (WP)  
  - Built-in software data protection mechanism  
- **TTL-Compatible Inputs and Outputs**  
- **Self-Timed Write Cycle (10ms max)**  
- **JEDEC Standard Pinout**  

This device is designed for applications requiring high-speed, non-volatile memory with reliable data retention and endurance.

Application Scenarios & Design Considerations

5 Volt, Byte Alterable E2PROM

Alternative Part Number

  • AT28C64B-15PU --: 64Kbit parallel EEPROM with similar pinout and access time, widely available and a common drop-in replacement for X28HC64 devices.
  • M28C64-15N6 --: 64Kbit parallel EEPROM in the same family class, compatible interface and voltage range, suitable functional substitute.
  • NM28C64-15 --: 64Kbit parallel EEPROM with comparable organization and timing, usable as an alternative when Xicor parts are unavailable.

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