Equivalent & Substitute Parts for 24LC025-I/MS

Part Overview

The 24LC025-I/MS is a 2Kbit EEPROM memory IC manufactured by Microchip Technology, featuring I2C interface operation at 400 kHz with 900 ns access time. The device is housed in an 8-MSOP package and operates across a supply voltage range of 2.5V to 5.5V with temperature range of -40°C to 85°C. This part is currently in active production status and is RoHS3 compliant.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, end-of-life considerations, or performance optimization within the same functional category. Substitute parts maintain core electrical and mechanical compatibility while potentially offering enhanced specifications or different manufacturer implementations.

Key Parameters

Parameter	24LC025-I/MS
Memory Size	2Kbit
Memory Organization	256 x 8
Memory Interface	I2C
Clock Frequency	400 kHz
Access Time	900 ns
Write Cycle Time	5 ms
Voltage Supply Range	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package Type	8-MSOP
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following core parameters: memory size (2Kbit), memory organization (256 x 8), interface type (I2C), package form factor (8-MSOP or compatible 8-TSSOP), mounting type (surface mount), and compliance certifications (RoHS3).

Parts are categorized into three substitution classes:

MFR Recommended Substitutes maintain full electrical and mechanical compatibility with identical or superior specifications. These parts are manufacturer-recommended alternatives with verified or active product status.

Parametric Equivalents satisfy all core functional requirements with identical memory specifications and package compatibility. These parts may differ in minor specifications such as MSL rating or access time while maintaining operational compatibility.

Upgrade Options provide enhanced specifications such as extended temperature range or automotive qualification while maintaining core memory and interface specifications. These parts may include different packaging variants (8-VSSOP) that remain mechanically compatible with 8-MSOP footprints.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Access Time	Voltage Supply	Temperature Range	Package	Product Status	MSL Rating
24LC025-I/MS	Microchip	2Kbit	400 kHz	900 ns	2.5V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	1
24AA02-I/MS	Microchip	2Kbit	400 kHz	900 ns	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	1
24AA025-I/MS	Microchip	2Kbit	400 kHz	900 ns	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	1
24LC024H-I/MS	Microchip	2Kbit	1 MHz	400 ns	2.5V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	1
34LC02-I/MS	Microchip	2Kbit	1 MHz	400 ns	2.2V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	1
24LC024-I/MS	Microchip	2Kbit	400 kHz	900 ns	2.5V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	2
24LC02B-I/MS	Microchip	2Kbit	400 kHz	900 ns	2.5V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	1
BR24A02FVM-WMTR	Rohm Semiconductor	2Kbit	400 kHz	Not Specified	2.5V ~ 5.5V	-40°C ~ 105°C	8-MSOP	Active	1
BR24G02FVJ-3AGTE2	Rohm Semiconductor	2Kbit	1 MHz	Not Specified	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	1
BR24G02FVJ-3GTE2	Rohm Semiconductor	2Kbit	400 kHz	Not Specified	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Not For New Designs	1
BR24G02FVM-3GTTR	Rohm Semiconductor	2Kbit	400 kHz	Not Specified	1.6V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	1

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): Select 24LC024-I/MS or 24LC02B-I/MS. Both parts maintain identical electrical specifications and 8-MSOP packaging. The 24LC024-I/MS carries MSL rating 2 (1 Year), while 24LC02B-I/MS maintains MSL rating 1 (Unlimited), matching the original part's moisture sensitivity classification.

For Extended Supply Voltage Range: Select 24AA02-I/MS or 24AA025-I/MS. Both parts operate across 1.7V to 5.5V supply range, providing enhanced low-voltage capability compared to the 2.5V minimum of the original part. Both maintain 400 kHz clock frequency and 8-MSOP packaging with MSL rating 1.

For Increased Clock Frequency: Select 24LC024H-I/MS or 34LC02-I/MS. Both parts operate at 1 MHz clock frequency with 400 ns access time, providing 2.5x performance improvement over the original 400 kHz specification. The 24LC024H-I/MS maintains 2.5V minimum supply voltage, while 34LC02-I/MS operates from 2.2V minimum.

For Extended Temperature Range: Select BR24A02FVM-WMTR. This Rohm Semiconductor part extends operating temperature to -40°C to 105°C (versus -40°C to 85°C), maintaining 400 kHz operation and 8-MSOP packaging. This part is AEC-Q100 qualified for automotive applications.

For Rohm Semiconductor Sourcing: Select BR24G02FVM-3GTTR for 400 kHz operation or BR24G02FVJ-3AGTE2 for 1 MHz operation. Both parts are active production status with 8-MSOP or 8-TSSOP packaging and extended supply voltage range (1.6V to 5.5V). Avoid BR24G02FVJ-3GTE2, which carries "Not For New Designs" status.

All recommended substitutes maintain RoHS3 compliance and REACH unaffected status. All parts are surface mount with MSL rating 1 (Unlimited) except 24LC024-I/MS (MSL rating 2).

Frequently Asked Questions (FAQ)

Q: Can 24AA02-I/MS replace 24LC025-I/MS in existing designs?

A: Yes. The 24AA02-I/MS is electrically compatible with identical memory size (2Kbit), organization (256 x 8), I2C interface, clock frequency (400 kHz), access time (900 ns), and 8-MSOP packaging. The 24AA02-I/MS provides extended supply voltage range (1.7V to 5.5V) compared to the original 2.5V to 5.5V specification, making it suitable for low-voltage applications. Both parts maintain identical operating temperature range (-40°C to 85°C) and RoHS3 compliance.

Q: What is the difference between 24LC024H-I/MS and 24LC025-I/MS?

A: The primary difference is clock frequency. The 24LC024H-I/MS operates at 1 MHz with 400 ns access time, while 24LC025-I/MS operates at 400 kHz with 900 ns access time. Both parts share identical 2Kbit memory size, 256 x 8 organization, I2C interface, 5 ms write cycle time, 2.5V to 5.5V supply range, -40°C to 85°C temperature range, and 8-MSOP packaging. The 24LC024H-I/MS is suitable for applications requiring faster memory access.

Q: Are Rohm Semiconductor parts compatible with Microchip parts?

A: Yes, within the specified parameters. Rohm BR24 series parts maintain identical 2Kbit memory size, 256 x 8 organization, I2C interface, and surface mount packaging. The BR24A02FVM-WMTR and BR24G02FVM-3GTTR both support 400 kHz operation in 8-MSOP packaging. However, Rohm parts typically feature extended supply voltage range (1.6V minimum) and some variants offer extended temperature range. Verify specific application requirements before substitution.

Q: Why is BR24G02FVJ-3GTE2 marked "Not For New Designs"?

A: Parts marked "Not For New Designs" indicate manufacturer discontinuation or transition status. While the part remains available in inventory (2600 pcs), Microchip and Rohm recommend using active production alternatives for new designs. For 400 kHz operation, select BR24G02FVM-3GTTR (active status) instead.

Q: What is the significance of MSL rating differences?

A: MSL (Moisture Sensitivity Level) rating 1 (Unlimited) indicates the part can be stored indefinitely without moisture bake-out requirements. MSL rating 2 (1 Year) requires moisture bake-out if the part has been exposed to ambient conditions for more than one year. The original 24LC025-I/MS carries MSL rating 1. The 24LC024-I/MS carries MSL rating 2, requiring additional handling procedures in high-humidity environments.

Q: Can I use 24AA025-I/MS instead of 24AA02-I/MS?

A: Yes. Both parts are electrically identical with 2Kbit memory, 256 x 8 organization, I2C interface, 400 kHz clock frequency, 900 ns access time, 1.7V to 5.5V supply range, -40°C to 85°C temperature range, and 8-MSOP packaging. The 24AA025-I/MS is DiGi-Electronics programmable verified, while 24AA02-I/MS is not verified. Selection depends on programming requirements for your specific application.

Q: What package compatibility exists between 8-MSOP and 8-TSSOP variants?

A: Both 8-MSOP and 8-TSSOP are surface mount packages with 8 pins and similar footprints. The 8-MSOP measures 0.118" width (3.00mm), while 8-VSSOP measures 0.110" width (2.80mm). Parts specified as 8-TSSOP-BJ (such as BR24G02FVJ-3AGTE2) maintain mechanical compatibility with standard 8-MSOP PCB layouts. Verify PCB footprint specifications before substitution to ensure proper solder joint formation.

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