24LC025T-E/MC EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 24LC025T-E/MC is a 2Kbit I2C EEPROM memory IC manufactured by Microchip Technology, designed for non-volatile data storage applications requiring I2C serial communication. This device operates at 400 kHz clock frequency with 900 ns access time and supports a supply voltage range of 2.5V to 5.5V. The part is currently in active production status with 868 units in stock. Substitute parts are necessary when addressing specific application requirements such as extended temperature ranges, automotive qualification, higher clock frequencies, or alternative packaging configurations while maintaining core memory functionality.

Substiute Parts

24LC025T-E/MC

Microchip TechnologyIn Stock: 90324LC025T-E/MC Datasheet

Current PartRFQ

M24C02-DRMF3TG/K

STMicroelectronicsIn Stock: 3006M24C02-DRMF3TG/K Datasheet

MFR RecommendedRFQ

M24C02-FMC6TG

STMicroelectronicsIn Stock: 19184M24C02-FMC6TG Datasheet

MFR RecommendedRFQ

M24C02-RMC6TG

STMicroelectronicsIn Stock: 3055M24C02-RMC6TG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 24LC025T-E/MC are qualified based on the following core parameters that determine functional compatibility:

Critical Matching Parameters:

• Memory Size: 2Kbit (256 x 8 organization)
• Memory Interface: I2C serial communication protocol
• Memory Type: Non-Volatile EEPROM
• Mounting Type: Surface Mount
• RoHS Compliance: ROHS3 Compliant

Allowable Variation Parameters:

• Clock Frequency: 400 kHz or higher (backward compatible)
• Access Time: 900 ns or faster (backward compatible)
• Write Cycle Time: 5 ms or faster (backward compatible)
• Voltage Supply Range: Must encompass or exceed 2.5V ~ 5.5V
• Operating Temperature: May extend beyond -40°C ~ 125°C
• Package Configuration: Alternative 8-pin packages with exposed pad design
• Automotive Qualification: Optional enhancement (AEC-Q100)

The three substitute parts listed below maintain identical memory capacity, organization, and I2C interface while offering variations in performance characteristics and packaging options.

Parameter Comparison

Engineering Selection Recommendations

M24C02-DRMF3TG/K (STMicroelectronics): This substitute offers enhanced performance with 1 MHz clock frequency and 450 ns access time, reducing data transaction times compared to the 24LC025T-E/MC. The extended voltage supply range (1.8V ~ 5.5V) provides greater flexibility for low-power applications. AEC-Q100 automotive qualification makes this part suitable for automotive-grade applications. Operating temperature range matches the original part (-40°C ~ 125°C). The 8-MLP package is mechanically compatible with the original 8-pin DFN footprint.

M24C02-FMC6TG (STMicroelectronics): This substitute maintains identical clock frequency (400 kHz) and access time (900 ns) as the 24LC025T-E/MC, ensuring direct functional equivalence for timing-critical applications. The lower minimum supply voltage (1.7V) supports ultra-low-power designs. Operating temperature range is limited to -40°C ~ 85°C, which is acceptable for commercial and industrial applications not requiring extended high-temperature operation. The 8-UFDFN package provides mechanical compatibility.

M24C02-RMC6TG (STMicroelectronics): This substitute provides identical electrical performance to the 24LC025T-E/MC with 400 kHz clock frequency and 900 ns access time. The extended lower voltage limit (1.8V) supports low-power applications. Operating temperature range is -40°C ~ 85°C. The 8-UFDFN package is mechanically compatible. This part is suitable for applications where automotive qualification is not required.

All substitute parts maintain ROHS3 compliance and active production status, ensuring long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can M24C02-DRMF3TG/K be used as a direct replacement for 24LC025T-E/MC?

A: Yes. Both devices share identical 2Kbit memory capacity, 256 x 8 organization, and I2C interface. The M24C02-DRMF3TG/K offers superior performance with 1 MHz clock frequency and 450 ns access time. The extended voltage range (1.8V ~ 5.5V) and AEC-Q100 qualification provide additional design flexibility. Operating temperature range (-40°C ~ 125°C) matches the original part.

Q: What is the difference between M24C02-FMC6TG and M24C02-RMC6TG?

A: Both parts are functionally identical with 400 kHz clock frequency, 900 ns access time, and 5 ms write cycle time. The primary difference is the minimum supply voltage: M24C02-FMC6TG operates from 1.7V while M24C02-RMC6TG operates from 1.8V. Both are limited to -40°C ~ 85°C operating temperature. Selection depends on the specific low-voltage requirement of the application.

Q: Are the package types interchangeable between these parts?

A: The packages are mechanically similar but not identical. The 24LC025T-E/MC uses 8-VFDFN, M24C02-DRMF3TG/K uses 8-WFDFN, and both M24C02-FMC6TG and M24C02-RMC6TG use 8-UFDFN. All are 8-pin surface mount packages with exposed pads and 2x3 mm footprints. PCB layout verification is required to confirm mechanical compatibility before design implementation.

Q: Which substitute part is recommended for automotive applications?

A: M24C02-DRMF3TG/K is the only substitute with AEC-Q100 automotive qualification. This part is suitable for automotive-grade designs requiring formal qualification documentation.

Q: What is the impact of higher clock frequency on system design?

A: M24C02-DRMF3TG/K operates at 1 MHz compared to 400 kHz for the original part. Higher clock frequency reduces I2C transaction time, enabling faster data access. System firmware and I2C controller configuration must support 1 MHz operation. Backward compatibility is maintained; the part operates correctly at lower clock frequencies if the system is not configured for 1 MHz.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the compliance status of the 24LC025T-E/MC.