FT24C256A-UTR-B

Overview

The FT24C256A-UTR-B is a non-volatile EEPROM memory integrated circuit manufactured by Fremont Micro Devices Ltd. It features a storage capacity of 256 kilobits organized as 32K x 8 bits. The device utilizes an I²C serial interface with a maximum clock frequency of 1 MHz and an access time of 550 ns. It operates within a supply voltage range of 1.8V to 5.5V and supports a write cycle time of 5 ms for both word and page operations. The component is designed for surface mount installation in an 8-TSSOP package, measuring 0.173 inches (4.40 mm) in width. It functions reliably across an industrial temperature range of -40°C to +85°C.

Feature Summary

• Supports high-speed I²C communication with a maximum clock frequency of 1 MHz
• Provides reliable non-volatile data retention using EEPROM technology
• Operates effectively across a wide supply voltage range from 1.8V to 5.5V

Applications

• Data logging systems requiring persistent storage
• Configuration parameter storage in embedded controllers
• Calibration data retention in sensor modules

Procurement Notes

Verify the specific suffix 'B' against official Fremont Micro Devices documentation to confirm if it denotes a unique packaging variant or specific manufacturing lot code distinct from standard tape and reel configurations. Ensure compatibility with existing PCB footprints for the 8-TSSOP package before procurement. Cross-reference the exact part number with current distributor catalogs to confirm active status and availability constraints.

Selection Notes

Select this component when a compact 256Kbit EEPROM solution is required for space-constrained designs utilizing I²C interfaces. The wide voltage tolerance makes it suitable for systems transitioning between different logic levels. Consider the 8-TSSOP package dimensions during layout planning to ensure adequate clearance for thermal management and mechanical stability within the assembly.

Part Context

This part belongs to the FT24C256A series of serial EEPROMs produced by Fremont Micro Devices Ltd. The series is characterized by its compatibility with standard I²C protocols and robust performance in industrial environments. The manufacturer specializes in non-volatile memory solutions, offering various pinout options and package styles to accommodate diverse design requirements across consumer and industrial electronics sectors.

Replacement Considerations

Direct substitutes include other 256Kbit I²C EEPROMs from manufacturers such as Microchip or STMicroelectronics, provided they match the 8-pin TSSOP footprint and voltage specifications. Verify pin-to-pin compatibility and software register alignment before implementing any alternative components in the design.