The X20C16DMB-55 is a 16K (2K x 8) CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Xicor Inc. It's designed for applications requiring non-volatile storage of data that can be electrically erased and reprogrammed. This EEPROM is characterized by its fast access time and low power consumption.

Applications

• Data logging: Stores sensor data, system parameters, and other data in industrial and scientific applications.
• Configuration storage: Stores configuration settings for microcontrollers and other electronic devices.
• Calibration data storage: Stores calibration coefficients for sensors and other measurement devices.
• Identification and security: Stores identification codes and security keys.
• Consumer electronics: Used in various consumer electronic devices for storing settings and data.

Features

• 16K (2K x 8) memory organization: Provides 16,384 bits of non-volatile storage, organized as 2048 bytes of 8 bits each.
• CMOS technology: Offers low power consumption.
• Electrically erasable and programmable: Allows for in-system reprogramming.
• Fast access time: The "-55" designation indicates a 55ns access time.
• Self-timed write cycle: Simplifies the write operation.
• Automatic page write operation: Enables faster write operations.
• Low standby current: Minimizes power consumption when not actively being accessed.

Benefits

• Non-volatile storage: Data is retained even when power is removed.
• Reprogrammability: Data can be easily updated and modified.
• Low power consumption: Suitable for battery-powered applications.
• Fast access time: Enables quick retrieval of stored data.
• Simplified system design: Self-timed write cycle and automatic page write operation simplify integration.

Additional Details

The X20C16DMB-55 communicates with a microcontroller or other host device via a parallel interface. The write cycle is self-timed, which simplifies the write operation as the host only needs to provide the address and data, and initiate the write cycle. The device typically operates from a single 5V power supply. Refer to the Xicor datasheet for specific details on voltage levels, timing diagrams, and programming algorithms.

In summary, the X20C16DMB-55 is a versatile and reliable EEPROM that provides non-volatile storage, in-system reprogrammability, and low power consumption. It is well-suited for a wide range of applications requiring persistent data storage.