5 Volt, Byte Alterable E2PROM The X28C512P-20 is a 512K (64K x 8) CMOS EEPROM manufactured by Xicor. Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Organization:** 64K x 8 (512K bits)
- **Access Time:** 200 ns (X28C512P-20)
- **Operating Voltage:** 5V ±10%
- **Operating Temperature Range:** Commercial (0°C to +70°C)
- **Endurance:** 100,000 write cycles per byte (minimum)
- **Data Retention:** 100 years (minimum)
- **Package:** 28-pin PDIP (Plastic Dual In-Line Package)
### **Descriptions:**
- **EEPROM Type:** Electrically Erasable and Programmable Read-Only Memory
- **Interface:** Parallel
- **Write Protection:** Software and hardware write protection options
- **Page Mode Operation:** Supports 64-byte page write mode for faster programming
- **Low Power Consumption:** Active current (max 30 mA), standby current (max 100 µA)
### **Features:**
- **Fast Read Access Time:** 200 ns (X28C512P-20 variant)
- **Page Write Mode:** Allows up to 64 bytes to be written in a single operation
- **Self-Timed Write Cycle:** Internal control for programming and erase operations
- **Hardware & Software Data Protection:** Prevents accidental writes
- **CMOS Technology:** Low power consumption
- **JEDEC Standard Pinout:** Compatible with other industry-standard EEPROMs
This EEPROM is designed for applications requiring non-volatile storage with fast access times and high reliability.
