5 Volt, Byte Alterable E2PROM The X28HC64DMB-90 is a high-speed CMOS EEPROM manufactured by Xicor. Below are its specifications, descriptions, and features based on available factual information:
### **Specifications:**
- **Memory Size:** 64Kbit (8K x 8)
- **Technology:** High-Speed CMOS EEPROM
- **Access Time:** 90ns
- **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 Inline Package)
- **Write Cycle Time:** 10ms (typical)
- **Endurance:** 100,000 write cycles per byte
- **Data Retention:** 100 years
- **Interface:** Parallel
### **Descriptions:**
- The X28HC64DMB-90 is a non-volatile memory device capable of retaining data without power.
- It supports byte-level read and write operations.
- Designed for high-speed applications with a fast access time of 90ns.
- Compatible with industry-standard 28-pin EEPROM pinouts.
### **Features:**
- **Fast Read Access:** 90ns access time for high-performance applications.
- **Low Power Consumption:** CMOS technology ensures efficient power usage.
- **Byte-Writable:** Allows individual byte writes without requiring a full page erase.
- **Hardware Write Protection:** Supports write protection via control pins.
- **Self-Timed Write Cycle:** Simplifies interfacing with microcontrollers.
- **High Reliability:** 100,000 write cycles and 100-year data retention.
This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and timing diagrams, refer to the official Xicor datasheet.
