5 Volt, Byte Alterable E2PROM The **X28C513EMB-25** is a **512K (64K x 8) CMOS EEPROM** manufactured by **Xicor**. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Density:** 512Kbit (64K x 8)
- **Organization:** 65,536 words x 8 bits
- **Supply Voltage:** 5V ±10%
- **Access Time:** 25 ns
- **Operating Temperature Range:** Commercial (0°C to +70°C)
- **Package:** 32-lead PLCC (Plastic Leaded Chip Carrier)
- **Endurance:** 100,000 write cycles per byte
- **Data Retention:** 100 years
### **Descriptions:**
- **High-Speed Read Operation:** 25 ns access time for fast system performance.
- **Low Power Consumption:** Active current of 30 mA (typical), standby current of 100 µA (max).
- **Byte-Write Capability:** Allows individual byte writes without requiring a full block erase.
- **Software Data Protection (SDP):** Prevents accidental writes to the memory.
- **JEDEC-Approved Pinout:** Ensures compatibility with industry-standard EEPROMs.
### **Features:**
- **Fast Write Cycle Time:** 200 µs (typical) per byte.
- **Automatic Write Timing:** Internal control for simplified interfacing.
- **TTL-Compatible Inputs/Outputs:** Ensures easy integration with standard logic circuits.
- **Self-Timed Erase/Write Cycle:** No external timing components required.
- **Hardware Write Protection:** WP pin for additional data security.
This EEPROM is designed for high-reliability applications requiring non-volatile memory storage with fast access times and low power consumption.
