5 Volt, Byte Alterable E2PROM The X28C512DI-25 is a 512Kbit (64K x 8) CMOS EEPROM manufactured by Xicor. Below are its specifications, descriptions, and features:
### **Specifications:**
- **Memory Size:** 512Kbit (64K x 8)
- **Supply Voltage:** 5V ±10%
- **Access Time:** 25ns (max)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-pin DIP (Dual In-line Package)
- **Endurance:** 100,000 write cycles (min)
- **Data Retention:** 100 years (min)
- **Interface:** Parallel
### **Descriptions:**
- The X28C512DI-25 is a high-performance, byte-alterable EEPROM with a fast read access time.
- It supports both random and sequential read operations.
- Features a write-protect pin for hardware data protection.
- Compatible with JEDEC standards for easy replacement in existing designs.
### **Features:**
- **Fast Read Access Time:** 25ns maximum
- **Low Power Consumption:**
- Active Read Current: 30mA (max)
- Standby Current: 100μA (max)
- **Byte-Write and Page-Write Operations:**
- 64-byte page write mode for faster programming
- **Hardware Data Protection:**
- Write Protect (WP) pin for preventing accidental writes
- Software write protection via command sequence
- **High Reliability:**
- 100,000 write cycles endurance
- 100-year data retention
- **CMOS Technology:** Ensures low power and high noise immunity.
This information is based on the manufacturer's datasheet and technical documentation.
