5 Volt, Byte Alterable E2PROM The X28HC64SM-70 is a high-speed CMOS EEPROM manufactured by XICOR. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Memory Size:** 64K (8K x 8 bits)
- **Technology:** High-speed CMOS
- **Access Time:** 70 ns
- **Operating Voltage:** 5V ± 10%
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
- **Endurance:** 100,000 write cycles per byte
- **Data Retention:** 100 years
- **Package:** 28-lead SOIC (Small Outline Integrated Circuit)
### **Descriptions:**
- The X28HC64SM-70 is a non-volatile EEPROM with a fast read access time of 70 ns.
- It supports byte-level write operations, allowing individual bytes to be reprogrammed without erasing the entire chip.
- The device is designed for high reliability and low power consumption.
### **Features:**
- **Fast Read Access Time:** 70 ns
- **Low Power Consumption:**
- Active current: 30 mA (typical)
- Standby current: 100 µA (typical)
- **Byte-Write Capability:** Allows individual byte modification.
- **Automatic Write Cycle Timing:** Internal control for write operations.
- **Hardware & Software Data Protection:** Prevents accidental writes.
- **CMOS Technology:** Ensures high noise immunity and low power usage.
- **JEDEC Standard Pinout:** Compatible with other industry-standard EEPROMs.
This information is based solely on the manufacturer's specifications and datasheet.
