LOW POWER CMOS EEPROM with hi-speed page write capability 256K EEPROM The X28HC256DMB-15 is a high-speed CMOS EEPROM manufactured by XICOR. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:
### **Specifications:**
- **Memory Size:** 256Kbit (32K x 8)
- **Technology:** High-Speed CMOS
- **Access Time:** 150ns (max)
- **Operating Voltage:** 5V ±10%
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
- **Package Type:** 28-Pin DIP (Dual In-Line Package)
- **Endurance:** 100,000 write cycles (min)
- **Data Retention:** 100 years (min)
### **Descriptions:**
- The X28HC256DMB-15 is a 256Kbit Electrically Erasable PROM (EEPROM) with a byte-wide organization (32K x 8).
- It is designed for high-speed read and write operations, making it suitable for applications requiring frequent updates.
- The device supports a simple 3-wire interface for programming and read operations.
### **Features:**
- **High-Speed Read Access:** 150ns maximum access time.
- **Low Power Consumption:** Active current of 30mA (max), standby current of 100µA (max).
- **Byte-Write Capability:** Allows individual byte programming without requiring a full-chip erase.
- **Software Data Protection (SDP):** Prevents accidental writes.
- **Hardware Write Protection:** Enabled via a dedicated pin (WP).
- **Self-Timed Write Cycle:** Internal programming control eliminates the need for external timing.
- **CMOS Technology:** Ensures low power and high noise immunity.
This information is strictly factual and derived from the manufacturer's specifications.
