5 Volt, Byte Alterable E2PROM The X28C512DMB-15 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:** 150 ns
- **Operating Voltage:** 5V ±10%
- **Operating Current:** 30 mA (max)
- **Standby Current:** 100 µA (max)
- **Endurance:** 100,000 write cycles (min)
- **Data Retention:** 100 years (min)
- **Package:** 32-pin DIP (Dual In-line Package)
- **Temperature Range:** Commercial (0°C to +70°C)
### **Descriptions:**
- The X28C512DMB-15 is a high-performance, byte-alterable EEPROM with a fast read access time.
- It supports both parallel and page-mode write operations for efficient data storage.
- Features a built-in software data protection mechanism to prevent accidental writes.
- Compatible with JEDEC standards for easy integration into existing systems.
### **Features:**
- **Fast Read Access Time:** 150 ns
- **Low Power Consumption:**
- Active current: 30 mA (max)
- Standby current: 100 µA (max)
- **High Reliability:**
- 100,000 write cycles endurance
- 100-year data retention
- **Software Data Protection (SDP):** Prevents inadvertent writes.
- **Page-Write Mode:** Up to 64 bytes per page for faster programming.
- **TTL-Compatible Inputs/Outputs:** Ensures easy interfacing with standard logic.
- **Industrial Standard Pinout:** 32-pin DIP for broad compatibility.
This EEPROM is commonly used in applications requiring non-volatile memory storage, such as embedded systems, industrial controls, and telecommunications equipment.
(Note: XICOR was later acquired by Intersil, which was subsequently acquired by Renesas Electronics.)
