24LC08BT-E/ST EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 24LC08BT-E/ST is an 8Kbit I2C EEPROM memory IC manufactured by Microchip Technology, designed for non-volatile data storage applications requiring serial communication. This component operates across a wide voltage range (2.5V to 5.5V) and extended temperature range (-40°C to 125°C), making it suitable for industrial and consumer electronics. The part is currently in active production status with verified programmability through DiGi-Electronics. Identifying equivalent substitute parts is essential for supply chain continuity, design flexibility, and procurement optimization when the primary part becomes unavailable or when alternative sourcing is required.

Substiute Parts

24LC08BT-E/ST

Microchip TechnologyIn Stock: 92024LC08BT-E/ST Datasheet

Current PartRFQ

CAV24C08YE-GT3

onsemiIn Stock: 7014CAV24C08YE-GT3 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 24LC08BT-E/ST is determined by strict alignment of the following critical parameters:

• Memory capacity: 8Kbit
• Memory technology: EEPROM
• Serial interface protocol: I2C
• Clock frequency: 400 kHz
• Access time: 900 ns
• Write cycle time: 5ms
• Supply voltage range: 2.5V ~ 5.5V
• Operating temperature range: -40°C ~ 125°C
• Package form factor: 8-TSSOP
• Surface mount compatibility

The CAV24C08YE-GT3 from onsemi meets all specified electrical and mechanical parameters, establishing it as a direct functional equivalent. Both parts share identical memory specifications, interface characteristics, timing parameters, and physical packaging, enabling pin-for-pin replacement in circuit designs.

Parameter Comparison

Engineering Selection Recommendations

Both the 24LC08BT-E/ST and CAV24C08YE-GT3 are active production components with ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements. The 24LC08BT-E/ST carries verified programmability certification through DiGi-Electronics, while the CAV24C08YE-GT3 includes AEC-Q100 automotive qualification, indicating enhanced reliability screening for demanding applications. Selection between these parts should be based on supply availability, procurement lead times, and specific application requirements. The CAV24C08YE-GT3 offers automotive-grade qualification, making it suitable for temperature-critical or high-reliability environments where such certification is beneficial.

Frequently Asked Questions (FAQ)

Q: Can the CAV24C08YE-GT3 replace the 24LC08BT-E/ST in existing designs?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including memory capacity, I2C interface, timing characteristics, voltage range, temperature range, and 8-TSSOP package form factor. Pin-for-pin replacement is supported without circuit modification.

Q: What are the key differences between these two parts?

A: The primary differences are manufacturer (Microchip versus onsemi) and qualification level. The CAV24C08YE-GT3 includes AEC-Q100 automotive qualification, while the 24LC08BT-E/ST carries DiGi-Electronics programmability verification. Both meet identical functional and environmental specifications.

Q: Are there any compatibility concerns with the 8-TSSOP package?

A: No. Both parts use the identical 8-TSSOP package (0.173", 4.40mm width) with surface mount technology, ensuring mechanical and thermal compatibility on PCBs designed for either component.

Q: Do these parts support the same I2C clock frequencies?

A: Yes. Both parts operate at 400 kHz I2C clock frequency with 900 ns access time and 5ms write cycle time, providing identical performance characteristics for serial communication protocols.

Q: What is the voltage compatibility range for both parts?

A: Both the 24LC08BT-E/ST and CAV24C08YE-GT3 operate across the identical supply voltage range of 2.5V to 5.5V, supporting 3.3V and 5V logic systems without modification.

Q: Are both parts suitable for extended temperature applications?

A: Yes. Both parts maintain full operational specifications across -40°C to 125°C, meeting industrial and automotive temperature requirements.