5 Volt, Byte Alterable E2PROM The X28HC256PI-12 is a high-speed CMOS EEPROM manufactured by XICOR. Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Part Number:** X28HC256PI-12
- **Manufacturer:** XICOR
- **Memory Type:** EEPROM (Electrically Erasable Programmable Read-Only Memory)
- **Memory Size:** 256 Kbit (32K x 8)
- **Access Time:** 120 ns
- **Supply Voltage:** 5V ±10%
- **Operating Temperature Range:** Industrial (-40°C to +85°C)
- **Package:** 28-Pin DIP (Dual In-line Package)
- **Interface:** Parallel
- **Write Cycle Time:** 10 ms (max)
- **Endurance:** 100,000 write cycles per byte (min)
- **Data Retention:** 100 years (min)
### **Descriptions:**
- The X28HC256PI-12 is a high-performance, byte-erasable EEPROM with a fast access time of 120 ns.
- It is designed for applications requiring non-volatile memory with high-speed read operations and reliable data retention.
- The device supports a standard microprocessor interface and is compatible with TTL levels.
### **Features:**
- **High-Speed Operation:** 120 ns access time.
- **Low Power Consumption:** Active current of 30 mA (max), standby current of 100 µA (max).
- **Byte Erase & Write:** Allows individual byte modification without requiring a full chip erase.
- **Automatic Write Timing:** Internal control of the write cycle.
- **Hardware & Software Data Protection:** Prevents accidental writes.
- **CMOS Technology:** Ensures low power and high noise immunity.
- **Industrial Temperature Range:** Suitable for harsh environments.
This information is strictly based on the manufacturer's specifications for the X28HC256PI-12 EEPROM.
