5 Volt, Byte Alterable E2PROM The X28HC64TI-12 is a 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:** 120ns
- **Operating Voltage:** 5V ±10%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-pin PLCC (Plastic Leaded Chip Carrier)
- **Endurance:** 100,000 write cycles (minimum)
- **Data Retention:** 100 years (minimum)
### **Descriptions:**
- The X28HC64TI-12 is a non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM).
- It features a fast read access time and low power consumption.
- The device supports byte-level write operations without requiring an external erase cycle.
- It includes a built-in software data protection mechanism to prevent accidental writes.
### **Features:**
- **Fast Read Access:** 120ns maximum access time.
- **Low Power Consumption:**
- Active current: 30mA (typical)
- Standby current: 100μA (typical)
- **Automatic Write Cycle:** Self-timed programming with no external components needed.
- **Software Data Protection (SDP):** Prevents inadvertent writes.
- **High Reliability:**
- 100,000 write cycles endurance.
- 100-year data retention.
- **Compatibility:** Fully compatible with TTL levels for inputs and outputs.
- **Industrial Temperature Range:** Operates reliably from -40°C to +85°C.
This information is based on the manufacturer's datasheet for the X28HC64TI-12 EEPROM.
