The X28C512JI-12 is a 512K EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Xicor. This device is organized as 64K x 8 bits. The X28C512 provides a non-volatile storage solution that can be electrically erased and reprogrammed in-system, offering flexibility and convenience for various applications.

Applications:

• Storage of configuration data in embedded systems
• Non-volatile storage in industrial control equipment
• Data logging in instrumentation devices
• Storage of calibration parameters in electronic devices
• Program storage in microcontrollers

Features:

• 512K bits (64K x 8)
• Fast Access Time: 120 ns
• Automatic Page Write Operation
• Self-Timed Write Cycle
• Data Polling for End-of-Write Detection
• TTL Compatible Inputs and Outputs
• Low Power Consumption
• JEDEC Standard Pinout
• Available in DIP and SOIC packages

Benefits:

• In-System Reprogrammability: Allows for convenient updates and modifications without removing the device from the system.
• Fast Access Time: Enables quick retrieval of stored data, important for many applications.
• Non-Volatile Storage: Retains data even when power is removed, ensuring data integrity.
• Automatic Page Write: Simplifies the write operation and reduces software overhead.
• Low Power Consumption: Suitable for battery-powered and energy-efficient applications.
• JEDEC Standard Pinout: Facilitates easy integration and compatibility with existing systems.

Additional Details:

The X28C512JI-12 features an automatic page write mode, which simplifies the writing process by automatically writing a page of data to the memory. The self-timed write cycle ensures that the write operation is completed correctly without the need for external timing signals. Data polling allows the host system to detect the end of the write cycle, improving system efficiency.

Technical Specifications:

• Memory Size: 512K bits
• Organization: 64K x 8
• Access Time: 120 ns
• Supply Voltage: 5V ±10%
• Operating Temperature: 0°C to +70°C
• Package: 28-Pin DIP