5 Volt, Byte Alterable E2PROM The X28HC256DMB-12 is a high-speed CMOS EEPROM manufactured by Xicor. Below are its specifications, descriptions, and features based on the provided knowledge base:
### **Specifications:**
- **Memory Size:** 256Kbit (32K x 8)
- **Technology:** High-Speed CMOS
- **Access Time:** 120ns
- **Operating Voltage:** 5V ±10%
- **Operating Temperature Range:** Commercial (0°C to +70°C)
- **Package Type:** 28-Pin DIP (Dual In-Line Package)
- **Endurance:** 100,000 write cycles (minimum)
- **Data Retention:** 100 years (minimum)
- **Interface:** Parallel
### **Descriptions:**
- The X28HC256DMB-12 is a 256Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) with a byte-wide parallel interface.
- It is designed for high-speed read operations and reliable non-volatile data storage.
- The device supports a simple microprocessor interface with no external components required for operation.
### **Features:**
- **Fast Read Access Time:** 120ns
- **Low Power Consumption:**
- Active Read Current: 30mA (typical)
- Standby Current: 100µA (typical)
- **Automatic Write Timing:** Internal control for programming and erase cycles.
- **Hardware & Software Data Protection:** Prevents accidental writes.
- **Self-Timed Erase/Write Cycle:** No external timing components needed.
- **JEDEC Standard Pinout:** Compatible with other 28-pin EEPROMs.
- **High Reliability:** Endurance and data retention meet industrial standards.
This information is strictly based on the provided knowledge base. No additional guidance or suggestions are included.
