5 Volt, Byte Alterable E2PROM The X28C512EM-15 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
- **Access Time:** 150ns
- **Operating Voltage:** 5V ± 10%
- **Operating Current:** 30mA (max)
- **Standby Current:** 100μA (max)
- **Data Retention:** 100 years (min)
- **Endurance:** 100,000 write cycles (min) per byte
- **Package:** 32-pin PLCC or PDIP
### **Descriptions:**
- The X28C512EM-15 is a high-performance, byte-alterable EEPROM with a fast read access time.
- It supports a simple, byte-write operation with automatic erase-before-write capability.
- Features a 3-wire control interface (CE#, OE#, WE#) for easy integration into systems.
- Compatible with JEDEC standards for pinout and command protocol.
### **Features:**
- **Fast Read Access Time:** 150ns
- **Low Power Consumption:**
- Active current: 30mA (max)
- Standby current: 100μA (max)
- **Automatic Erase/Write Cycle:** Self-timed programming with no external components required.
- **High Reliability:**
- 100,000 write cycles endurance
- 100-year data retention
- **Hardware & Software Data Protection:**
- VCC detection circuitry prevents writes during power transitions
- Write lockout during power-up/power-down
- **CMOS Technology:** Low power and high noise immunity.
- **Industrial Temperature Range:** -40°C to +85°C
This EEPROM is designed for applications requiring non-volatile memory with fast access and high endurance, such as embedded systems, industrial controls, and telecommunications.
