Equivalent & Substitute Parts for 24VL025T/MS

Part Overview

The 24VL025T/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 Tape & Reel packaging with 8-MSOP form factor and operates across a supply voltage range of 1.5V to 3.6V. The part is classified as Active product status and is ROHS3 compliant with unlimited moisture sensitivity level rating.

Substitute parts are necessary when the original part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when enhanced performance specifications such as higher clock frequency or extended temperature ranges are needed for specific application requirements.

Key Parameters

Parameter	24VL025T/MS
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	1.5V ~ 3.6V
Operating Temperature	-20°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 24VL025T/MS is determined by the following critical parameters: memory size (2Kbit), memory organization (256 x 8), I2C interface protocol, write cycle time (5ms), and surface mount packaging. Parts are grouped into three categories based on operational specifications:

Category 1: Direct Functional Equivalents (400 kHz Operation) Parts maintaining 400 kHz clock frequency with compatible voltage and temperature ranges. These parts preserve the original timing characteristics and are suitable for applications with identical performance requirements.

Category 2: Enhanced Performance Variants (1 MHz Operation) Parts operating at 1 MHz clock frequency with faster access times (4.5 µs). These parts provide improved performance headroom and are compatible with applications designed for the original 400 kHz specification due to backward compatibility of I2C protocol.

Category 3: Extended Voltage Range Variants Parts with expanded supply voltage ranges (1.6V ~ 5.5V or 1.7V ~ 3.6V) offering broader application flexibility while maintaining core memory specifications.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Access Time	Voltage Supply	Operating Temperature	Package	Product Status	Packaging Format
24VL025T/MS	Microchip Technology	2Kbit	400 kHz	900 ns	1.5V ~ 3.6V	-20°C ~ 85°C	8-MSOP	Active	Tape & Reel
24VL025/MS	Microchip Technology	2Kbit	400 kHz	900 ns	1.5V ~ 3.6V	-20°C ~ 85°C	8-MSOP	Active	Tube
AT24C02D-XHM-B	Microchip Technology	2Kbit	1 MHz	4.5 µs	1.7V ~ 3.6V	-40°C ~ 85°C	8-TSSOP	Active	Tube
AT24C02D-XHM-T	Microchip Technology	2Kbit	1 MHz	4.5 µs	1.7V ~ 3.6V	-40°C ~ 85°C	8-TSSOP	Active	Tape & Reel
BR24G02FV-3GTE2	Rohm Semiconductor	2Kbit	400 kHz	Not Specified	1.6V ~ 5.5V	-40°C ~ 85°C	8-LSSOP	Not For New Designs	Tape & Reel
BR24G02FVJ-3AGTE2	Rohm Semiconductor	2Kbit	1 MHz	Not Specified	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP-BJ	Active	Tape & Reel
BR24G02FVJ-3GTE2	Rohm Semiconductor	2Kbit	400 kHz	Not Specified	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP-BJ	Not For New Designs	Tape & Reel
BR24G02FVM-3GTTR	Rohm Semiconductor	2Kbit	400 kHz	Not Specified	1.6V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	Tape & Reel
BR24G02FVT-3AGE2	Rohm Semiconductor	2Kbit	1 MHz	Not Specified	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	Tape & Reel
BR24G02FVT-3GE2	Rohm Semiconductor	2Kbit	400 kHz	Not Specified	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	Tape & Reel
BR24L02FVJ-WE2	Rohm Semiconductor	2Kbit	400 kHz	Not Specified	1.8V ~ 5.5V	-40°C ~ 85°C	8-TSSOP-BJ	Not For New Designs	Tape & Reel

Engineering Selection Recommendations

For Active Product Status Requirement: Select from AT24C02D-XHM-B, AT24C02D-XHM-T, BR24G02FVJ-3AGTE2, BR24G02FVM-3GTTR, BR24G02FVT-3AGE2, or BR24G02FVT-3GE2. These parts maintain Active product status designation, ensuring continued manufacturer support and availability.

For Identical Package Preservation: The 24VL025/MS (Tube packaging) and BR24G02FVM-3GTTR (8-MSOP package) maintain the original 8-MSOP form factor. The 24VL025/MS differs only in packaging format (Tube versus Tape & Reel), making it suitable for applications where component form factor is critical.

For Extended Temperature Range: Rohm Semiconductor parts (BR24G02 series) and AT24C02D variants provide -40°C lower operating limit compared to the original -20°C specification, supporting applications requiring enhanced low-temperature performance.

For Expanded Voltage Range: Rohm Semiconductor BR24G02 series parts operate across 1.6V ~ 5.5V supply range, providing compatibility with both low-voltage and standard logic systems compared to the original 1.5V ~ 3.6V range.

For ROHS3 Compliance: All listed substitute parts maintain ROHS3 compliance status, ensuring regulatory alignment with the original part specification.

Frequently Asked Questions (FAQ)

Q: Can AT24C02D-XHM-B or AT24C02D-XHM-T be used as direct replacements for 24VL025T/MS?

A: These parts are functionally compatible substitutes. Both maintain 2Kbit memory size, 256 x 8 organization, and I2C interface. The primary differences are enhanced clock frequency (1 MHz versus 400 kHz), faster access time (4.5 µs versus 900 ns), extended temperature range (-40°C to 85°C versus -20°C to 85°C), and different package form factor (8-TSSOP versus 8-MSOP). I2C protocol backward compatibility ensures operation in applications designed for 400 kHz operation.

Q: What is the significance of the package type difference between 8-MSOP and 8-TSSOP?

A: Package type affects PCB layout, thermal characteristics, and manufacturing process compatibility. 8-MSOP (0.118" width) is narrower than 8-TSSOP (0.173" width). Substitution requires PCB redesign if the original layout was optimized for the narrower 8-MSOP footprint. Conversely, 8-TSSOP can be used in applications where 8-MSOP footprint space is available.

Q: Are Rohm Semiconductor BR24G02 series parts suitable replacements?

A: BR24G02 series parts maintain core specifications: 2Kbit memory, 256 x 8 organization, I2C interface, and 5ms write cycle time. Advantages include extended voltage range (1.6V ~ 5.5V) and lower operating temperature limit (-40°C). Disadvantages include "Not For New Designs" status for certain variants (BR24G02FV-3GTE2, BR24G02FVJ-3GTE2, BR24L02FVJ-WE2), indicating manufacturer phase-out trajectory.

Q: What does "Not For New Designs" product status mean?

A: This designation indicates the manufacturer is discontinuing the part for new applications. While existing inventory may be available, long-term supply cannot be guaranteed. For new designs, select parts with Active status: AT24C02D variants, BR24G02FVJ-3AGTE2, BR24G02FVM-3GTTR, BR24G02FVT-3AGE2, or BR24G02FVT-3GE2.

Q: How does clock frequency affect substitution compatibility?

A: The 24VL025T/MS operates at 400 kHz. Substitute parts operating at 1 MHz (AT24C02D-XHM variants, BR24G02FVJ-3AGTE2, BR24G02FVT-3AGE2) provide faster data transfer capability. I2C protocol allows higher-frequency devices to operate in lower-frequency systems, making 1 MHz parts backward compatible with 400 kHz applications.

Q: What voltage supply considerations apply when selecting substitutes?

A: The original part operates at 1.5V ~ 3.6V. Rohm BR24G02 series parts extend this to 1.6V ~ 5.5V, providing compatibility with 5V logic systems. AT24C02D variants operate at 1.7V ~ 3.6V. Verify system supply voltage compatibility before substitution to ensure proper device operation and prevent damage.

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