Equivalent & Substitute Parts for 24LC025T-I/MS

Part Overview

The 24LC025T-I/MS is a 2Kbit EEPROM memory IC manufactured by Microchip Technology, featuring I2C interface operation at 400 kHz with 900 ns access time. This device is supplied in 8-MSOP packaging and is actively produced. The part is ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Finding equivalent and substitute parts becomes necessary when addressing supply chain constraints, packaging preferences, voltage range requirements, or operational temperature specifications that may differ from the original design parameters.

Key Parameters

Parameter	Value
Memory Size	2Kbit
Memory Organization	256 x 8
Memory Interface	I2C
Clock Frequency	400 kHz
Access Time	900 ns
Write Cycle Time	5ms
Voltage Supply Range	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package Type	8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 24LC025T-I/MS is determined by the following critical parameters:

Core Functional Parameters (Must Match):

Memory Size: 2Kbit
Memory Organization: 256 x 8
Memory Interface: I2C
Clock Frequency: 400 kHz (or higher)
Write Cycle Time: 5ms
Package Type: 8-MSOP or compatible 8-pin surface mount packages

Flexible Parameters (May Vary):

Voltage Supply Range: Minimum voltage may be lower; maximum must be ≥5.5V
Operating Temperature: May extend beyond -40°C to 85°C range
Packaging Format: Cut Tape, Tape & Reel, or Digi-Reel formats are interchangeable
Manufacturer: Alternative manufacturers acceptable if electrical specifications align

Substitutes are categorized as MFR Recommended (manufacturer-endorsed alternatives), Parametric Equivalents (matching all electrical specifications), or Upgrades (enhanced specifications with additional certifications).

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Voltage Supply	Operating Temp	Package	Product Status
24LC025T-I/MS	Microchip	2Kbit	400 kHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24AA024T-I/MS	Microchip	2Kbit	400 kHz	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24AA02T-I/MS	Microchip	2Kbit	400 kHz	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24LCS52T-I/MS	Microchip	2Kbit	400 kHz	2.2V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24LC024T-I/MS	Microchip	2Kbit	400 kHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
24LC02BT-I/MS	Microchip	2Kbit	400 kHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
BR24A02FVM-WMTR	Rohm	2Kbit	400 kHz	2.5V ~ 5.5V	-40°C ~ 105°C	8-MSOP	Active
BR24G02FVJ-3AGTE2	Rohm	2Kbit	1 MHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active
BR24G02FVJ-3GTE2	Rohm	2Kbit	400 kHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Not For New Designs
BR24G02FVM-3GTTR	Rohm	2Kbit	400 kHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active
BR24L02FVJ-WE2	Rohm	2Kbit	400 kHz	1.8V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Not For New Designs

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): Select 24LC024T-I/MS or 24LC02BT-I/MS when exact parameter matching is required. Both are Microchip products with Active status, identical voltage and temperature ranges, and matching 8-MSOP packaging.

For Extended Voltage Range Applications: The 24AA024T-I/MS and 24AA02T-I/MS support operation down to 1.7V, providing margin for low-power applications while maintaining all other electrical specifications. Both are Active products with full inventory availability.

For Lower Minimum Voltage Requirements: BR24G02FVM-3GTTR and BR24G02FVJ-3AGTE2 from Rohm Semiconductor operate at 1.6V minimum, suitable for battery-powered or energy-harvesting designs. BR24G02FVM-3GTTR maintains 8-MSOP packaging; BR24G02FVJ-3AGTE2 uses 8-TSSOP packaging.

For Extended Temperature Range: BR24A02FVM-WMTR extends the upper operating temperature to 105°C and includes AEC-Q100 automotive qualification, suitable for high-temperature industrial environments.

For Higher Clock Frequency: BR24G02FVJ-3AGTE2 operates at 1 MHz, providing faster I2C communication while maintaining 2Kbit capacity and 256 x 8 organization.

Avoid for New Designs: BR24G02FVJ-3GTE2 and BR24L02FVJ-WE2 are marked "Not For New Designs" and should not be selected for new applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute 24AA02T-I/MS for 24LC025T-I/MS in my design?

A: Yes. Both devices share identical memory capacity (2Kbit), organization (256 x 8), I2C interface, 400 kHz clock frequency, 5ms write cycle time, and 8-MSOP packaging. The 24AA02T-I/MS offers extended voltage range (1.7V minimum vs. 2.5V), which is compatible with designs requiring the original 2.5V ~ 5.5V range.

Q: What is the difference between 24LC025T-I/MS and BR24G02FVM-3GTTR?

A: Both are 2Kbit I2C EEPROM devices with 400 kHz operation and 8-MSOP packaging. The BR24G02FVM-3GTTR has a lower minimum voltage (1.6V vs. 2.5V) and is manufactured by Rohm Semiconductor instead of Microchip. Electrical performance and memory organization are equivalent.

Q: Why would I choose BR24A02FVM-WMTR over the standard 24LC025T-I/MS?

A: BR24A02FVM-WMTR extends the maximum operating temperature to 105°C and includes AEC-Q100 automotive qualification. Select this part for applications requiring automotive-grade reliability or operation in high-temperature environments beyond the standard 85°C limit.

Q: Are packaging differences between 8-MSOP and 8-TSSOP significant for substitution?

A: Yes. While both are 8-pin surface mount packages, 8-MSOP (0.118" width) and 8-TSSOP (0.118" width) have identical pitch and pin count but differ in body dimensions. Verify PCB footprint compatibility before substituting. Parts like BR24G02FVJ-3AGTE2 use 8-TSSOP-BJ variant and require footprint validation.

Q: Can I use BR24G02FVJ-3AGTE2 as a drop-in replacement if my design only requires 400 kHz operation?

A: Functionally yes, but with considerations. BR24G02FVJ-3AGTE2 operates at 1 MHz (faster than required) and uses 8-TSSOP packaging instead of 8-MSOP. Verify PCB footprint compatibility. The higher clock frequency does not degrade performance in 400 kHz applications but requires footprint validation.

Q: Which substitute offers the best low-voltage performance?

A: BR24G02FVM-3GTTR and BR24G02FVJ-3AGTE2 both support 1.6V minimum supply voltage, the lowest among available substitutes. BR24G02FVM-3GTTR maintains 8-MSOP packaging for direct footprint compatibility.

Q: Is 24LCS52T-I/MS a suitable alternative?

A: Yes. The 24LCS52T-I/MS is a Microchip product with identical memory specifications, 400 kHz I2C operation, and 8-MSOP packaging. Minimum voltage is 2.2V (between the original 2.5V and lower-voltage alternatives), making it suitable for designs with moderate voltage margin requirements.

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