FT24C256A-UDR-B

Series:	--
Packaging:	Tube
Part Status:	Discontinued at Digi-Key
Memory Type:	Non-Volatile
Memory Format:	EEPROM
Technology:	EEPROM
Memory Size:	256Kb (32K x 8)
Clock Frequency:	1MHz
Write Cycle Time - Word, Page:	5ms
Access Time:	550ns
Memory Interface:	I²C
Voltage - Supply:	1.8 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-DIP

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FT24C256A-UDR-B Memory Application Field and Working Principle

FT24C256A-UDR-B is a dedicated 1-Wire surface mount EEPROM device with a capacity of 256Kbits of memory, suitable for contact and contactless applications. It is designed to be integrated into systems that require storage of up to 32 KB of data.

Features and Benefits

• Low power consumption
• Wide operating temperature range (-40 to +85 °C)
• Programmable, non-volatile memory for data logging
• Standard I2C and SPI communication interface for data transfer and programming
• Integrated 1-Wire interface
• Versatile address space for data organization and grouping
• Transparent data protection capability

Applications

The FT24C256A-UDR-B device is suitable for a variety of applications where data storage is required. Examples include:

• Data loggers
• Wearable devices
• Contactless fingerprint authentication
• Home automation
• Wireless communication devices
• Access control systems
• Industrial control systems
• Smart cards

Working Principle

The FT24C256A-UDR-B is a serial EEPROM device that is accessed via a serial communications interface. Data is written to and read from the memory by sending commands to the device via the bus. The device holds 256kB of static non-volatile data, which can be written and erased at the byte, page, or full sector level, allowing for efficient data storage.The device features an integrated 1-Wire interface that allows a host controller to quickly and securely identify, write, and read data on a single port. The 1-Wire interface also provides the ability to store and protect data using a variety of user selectable security settings, such as password protection, write only memory, block erase, write verification, and others.The FT24C256A-UDR-B device incorporates advanced voltage, temperature and radiometric protection features, making it ideal for use in harsh environments. In addition, the device has an integrated fail-safe system that will automatically preserve data in the event of an unexpected power failure. The device also has a built-in watchdog timer to reset the device in the event of unexpected system freezes.

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