5 Volt, Byte Alterable E2PROM The X28HC64JI-70 is a 64K (8K x 8) CMOS EEPROM manufactured by Xicor. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Memory Size:** 64Kbit (8K x 8)
- **Technology:** CMOS EEPROM
- **Access Time:** 70ns
- **Operating Voltage:** 5V ±10%
- **Operating Temperature Range:** Industrial (-40°C to +85°C)
- **Package:** 32-pin PLCC (Plastic Leaded Chip Carrier)
- **Write Cycle Endurance:** 100,000 cycles per byte (minimum)
- **Data Retention:** 100 years (minimum)
### **Descriptions:**
- The X28HC64JI-70 is a high-speed, low-power EEPROM with a byte-alterable architecture.
- It features a fast read access time of 70ns, making it suitable for high-performance applications.
- The device supports a simple 3-wire interface for write operations.
- It includes automatic write cycle timing and internal data verification.
### **Features:**
- **High-Speed Read Operation:** 70ns access time.
- **Low Power Consumption:**
- Active Read Current: 30mA (max)
- Standby Current: 100μA (max)
- **Byte-Write Capability:** Allows individual byte modification without requiring a full block erase.
- **Hardware & Software Data Protection:**
- Write Protect (WP) pin for hardware protection.
- Software-controlled write protection.
- **Automatic Write Cycle Timing:** Internal timer eliminates the need for external polling.
- **Self-Timed Erase/Write Cycle:** Typically completes within 5ms.
- **Industrial Temperature Range:** -40°C to +85°C.
This information is based solely on the manufacturer's datasheet for the X28HC64JI-70 EEPROM.
