5 Volt, Byte Alterable E2PROM The X28HC64SI-70 is a high-speed CMOS EEPROM manufactured by XICOR. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Part Number:** X28HC64SI-70
- **Manufacturer:** XICOR
- **Memory Size:** 64K (8K x 8 bits)
- **Technology:** High-Speed CMOS
- **Access Time:** 70 ns
- **Operating Voltage:** 5V ±10%
- **Operating Temperature Range:** Industrial (-40°C to +85°C)
- **Package:** 28-lead SOIC (Small Outline Integrated Circuit)
- **Endurance:** 100,000 write cycles per byte
- **Data Retention:** 100 years
### **Descriptions:**
- The X28HC64SI-70 is a high-performance, electrically erasable programmable read-only memory (EEPROM) designed for fast read and write operations.
- It is compatible with standard microprocessor systems and features a fast access time of 70 ns.
- The device supports byte-level write operations and includes internal control circuitry for simplified interfacing.
### **Features:**
- **Fast Access Time:** 70 ns
- **Low Power Consumption:**
- Active Read Current: 30 mA (max)
- Standby Current: 100 µA (max)
- **Byte-Write Capability:** Allows individual byte writes without requiring a full block erase.
- **Automatic Write Timing:** Internal circuitry controls write pulse width.
- **Write Protection:** Hardware and software data protection mechanisms.
- **High Reliability:** Endurance of 100,000 write cycles and 100-year data retention.
- **Industrial Temperature Range:** Operates from -40°C to +85°C.
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