5 Volt, Byte Alterable E2PROM The X28HC256DI-70 is a high-speed CMOS EEPROM manufactured by XICOR. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Memory Size:** 256Kbit (32K x 8)
- **Technology:** High-Speed CMOS EEPROM
- **Access Time:** 70ns
- **Operating Voltage:** 5V ±10%
- **Operating Temperature Range:** -40°C to +85°C
- **Package Type:** 28-pin DIP (Dual In-line Package)
- **Endurance:** 100,000 write cycles (minimum)
- **Data Retention:** 100 years (minimum)
### **Descriptions:**
- The X28HC256DI-70 is a high-performance, byte-alterable EEPROM with a fast access time of 70ns.
- It features a 32K x 8 organization, making it suitable for applications requiring non-volatile memory storage.
- The device supports a simple 5V-only operation, eliminating the need for additional power supplies.
### **Features:**
- **High-Speed Read Access:** 70ns maximum access time.
- **Low Power Consumption:**
- Active current: 30mA (typical)
- Standby current: 100μA (typical)
- **Byte-Write Capability:** Allows individual byte modification without requiring a full erase cycle.
- **Self-Timed Write Cycle:** Internal programming control for ease of use.
- **Hardware and Software Data Protection:** Prevents accidental writes.
- **CMOS and TTL Compatible Inputs/Outputs:** Ensures broad compatibility.
- **Industrial Temperature Range:** Suitable for harsh environments.
This information is based solely on the manufacturer's provided data for the X28HC256DI-70 EEPROM.
