5 Volt, Byte Alterable E2PROM The X28HC256P-70 is a high-speed CMOS EEPROM manufactured by XICOR. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:
### **Specifications:**
- **Memory Size:** 256 Kbit (32K x 8)
- **Technology:** High-Speed CMOS EEPROM
- **Access Time:** 70 ns
- **Operating Voltage:** 5V ± 10%
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
- **Package:** 28-pin DIP (Dual In-line Package)
- **Write Cycle Time:** 10 ms (maximum)
- **Endurance:** 100,000 write cycles per byte (minimum)
- **Data Retention:** 100 years (minimum)
### **Descriptions:**
- The X28HC256P-70 is a high-performance, byte-alterable EEPROM with a fast access time of 70 ns.
- It supports both read and write operations with a simple interface, making it suitable for applications requiring non-volatile memory.
- It features a low-power standby mode for reduced power consumption.
### **Features:**
- **High-Speed Operation:** 70 ns access time.
- **Low Power Consumption:**
- Active current: 30 mA (typical)
- Standby current: 100 µA (typical)
- **Byte-Write Capability:** Allows individual byte modification.
- **Automatic Write Timing:** Internal control for write cycles.
- **Hardware & Software Data Protection:** Prevents accidental writes.
- **CMOS Technology:** Ensures low power and high noise immunity.
- **TTL-Compatible Inputs/Outputs:** Ensures easy interfacing with standard logic circuits.
This information is strictly factual and based on the manufacturer's specifications.
