FT24C08A-USR-T

Overview

The FT24C08A-USR-T is an 8K-bit (1024 x 8) serial EEPROM from Fremont Micro Devices Ltd, housed in a surface-mount SOP-8 package. It operates on a standard two-wire I2C interface with a maximum clock frequency of 1 MHz at 5V and 400 kHz at lower voltages. The device supports a supply voltage range of 1.8V to 5.5V and functions within an industrial temperature range of -40°C to +85°C. Key electrical characteristics include a standby current of less than 1µA, a self-timed write cycle of up to 5ms, and high endurance ratings.

Feature Summary

• Supports 16-byte page write operations with partial page write capability for efficient data management.
• Includes hardware write protection via the WP pin to prevent accidental programming when connected to VCC.
• Features Schmitt trigger inputs and noise filtering to ensure signal integrity on the serial bus.
• Provides automatic erase-before-write functionality to simplify the programming sequence.

Applications

• Non-volatile data storage in low-power consumer electronics
• Configuration memory for embedded systems and microcontrollers
• Parameter storage in industrial control devices

Procurement Notes

Verify that the ordering suffix matches the required package type and RoHS compliance status. Confirm the specific tape and reel packaging requirements against the manufacturer's order code table. Ensure the component meets the intended operating temperature range and voltage specifications for the target application environment before finalizing procurement.

Selection Notes

Select this component for applications requiring small footprint non-volatile storage with I2C compatibility. The SOP-8 package offers a balance between pin count and board space. Consider the 1.8V minimum supply voltage for compatibility with modern low-voltage logic families. Verify that the bus speed requirements align with the 400 kHz or 1 MHz operational limits based on the system voltage.

Part Context

This part belongs to the FT24C04A/08A/16A series of serial EEPROMs manufactured by Fremont Micro Devices Ltd. The series utilizes advanced CMOS technology for low power consumption. While sharing the same interface and core architecture, the FT24C08A provides double the density of the FT24C04A and half the density of the FT24C16A, offering flexibility in memory sizing for various design needs.

Replacement Considerations

FT24C08A-UDR-B

FAQ

How many FT24C08A devices can be used on a single I2C bus?

Only two FT24C08A devices can be wired-OR on the same bus, distinguished by hardwiring the A2 address pin to either VIL or VIH.

What is the function of the WP pin?

The Write Protect (WP) pin disables all programming functions when connected to VIH or VCC, protecting the EEPROM array from being overwritten while still allowing read operations.