5 Volt, Byte Alterable E2PROM The X28HC64SI-90 is a high-speed CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by XICOR. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Part Number:** X28HC64SI-90
- **Manufacturer:** XICOR
- **Memory Size:** 64K (8K x 8 bits)
- **Access Time:** 90ns
- **Supply Voltage:** 5V ±10%
- **Operating Temperature Range:** Industrial (-40°C to +85°C)
- **Package:** 28-lead SOIC (Small Outline Integrated Circuit)
- **Interface:** Parallel
- **Endurance:** 100,000 write cycles (minimum)
- **Data Retention:** 100 years (minimum)
### **Descriptions:**
- The X28HC64SI-90 is a high-performance, byte-erasable EEPROM with a fast access time of 90ns.
- It is designed for applications requiring non-volatile memory storage with high reliability and endurance.
- The device supports both read and write operations with a standard microprocessor interface.
### **Features:**
- **High-Speed Operation:** 90ns access time for fast read operations.
- **Low Power Consumption:** CMOS technology ensures low power usage.
- **Byte-Write Capability:** Allows individual byte modification without full-chip erasure.
- **Automatic Write Cycle:** Includes internal timer for write cycle completion.
- **Hardware & Software Protection:** Provides write protection to prevent accidental data corruption.
- **Industrial-Grade:** Suitable for harsh environments with extended temperature support.
This information is based solely on the manufacturer's specifications for the X28HC64SI-90 EEPROM.
