Equivalent & Substitute Parts for 24LC02BHT-I/MS

Part Overview

The 24LC02BHT-I/MS is a 2Kbit EEPROM memory IC manufactured by Microchip Technology, featuring I2C interface with 400 kHz clock frequency and 8-MSOP packaging. This non-volatile memory device operates across a supply voltage range of 2.5V to 5.5V and temperature range of -40°C to 85°C. The part is currently active in production and ROHS3 compliant. Equivalent and substitute parts are identified to support design flexibility, inventory optimization, and supply chain continuity.

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
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 24LC02BHT-I/MS is determined by the following critical parameters:

Core Compatibility Parameters:

Memory Size: 2Kbit (256 x 8 organization)
Memory Interface: I2C protocol
Clock Frequency: 400 kHz minimum
Package Type: 8-MSOP or 8-TSSOP (mechanically compatible)
Write Cycle Time: 5ms
Access Time: 900 ns or faster
Voltage Supply Range: Must encompass or be compatible with 2.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C minimum
RoHS Compliance: ROHS3 Compliant

Substitute parts are grouped into three categories:

MFR Recommended Substitutes: Parts explicitly recommended by manufacturers with verified compatibility and active product status.

Parametric Equivalents: Parts meeting all electrical and mechanical parameters but with different packaging options or voltage ranges that remain compatible with the main part's operating envelope.

Cross-Manufacturer Alternatives: Parts from alternative manufacturers (Rohm Semiconductor) that meet identical functional specifications and package requirements.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Voltage Supply	Operating Temp	Package	Product Status	Packaging Type
24LC02BHT-I/MS	Microchip Technology	2Kbit	400 kHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	Tape & Reel
24AA024T-I/MS	Microchip Technology	2Kbit	400 kHz	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	Cut Tape & Digi-Reel
24AA02T-I/MS	Microchip Technology	2Kbit	400 kHz	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	Cut Tape & Digi-Reel
24LCS52T-I/MS	Microchip Technology	2Kbit	400 kHz	2.2V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	Tape & Reel
24LC024T-I/MS	Microchip Technology	2Kbit	400 kHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	Cut Tape & Digi-Reel
24LC02BT-I/MS	Microchip Technology	2Kbit	400 kHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	Cut Tape & Digi-Reel
BR24A02FVM-WMTR	Rohm Semiconductor	2Kbit	400 kHz	2.5V ~ 5.5V	-40°C ~ 105°C	8-MSOP	Active	Tape & Reel
BR24G02FVJ-3AGTE2	Rohm Semiconductor	2Kbit	1 MHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	Tape & Reel
BR24G02FVJ-3GTE2	Rohm Semiconductor	2Kbit	400 kHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Not For New Designs	Tape & Reel
BR24G02FVM-3GTTR	Rohm Semiconductor	2Kbit	400 kHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	Tape & Reel
BR24L02FVJ-WE2	Rohm Semiconductor	2Kbit	400 kHz	1.8V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Not For New Designs	Tape & Reel

Engineering Selection Recommendations

For Active Production Designs:

Select from parts with Active product status: 24AA024T-I/MS, 24AA02T-I/MS, 24LCS52T-I/MS, 24LC024T-I/MS, 24LC02BT-I/MS, BR24A02FVM-WMTR, BR24G02FVJ-3AGTE2, or BR24G02FVM-3GTTR. All are ROHS3 compliant and support the required 2Kbit I2C EEPROM functionality.

For Microchip Technology Ecosystem:

Parts 24AA024T-I/MS, 24AA02T-I/MS, 24LCS52T-I/MS, 24LC024T-I/MS, and 24LC02BT-I/MS maintain design continuity within the Microchip product family. These parts offer identical memory organization, interface protocol, and write cycle timing.

For Extended Temperature Range:

BR24A02FVM-WMTR from Rohm Semiconductor extends the operating temperature to -40°C ~ 105°C, suitable for automotive and industrial applications requiring higher temperature tolerance.

For Higher Clock Frequency:

BR24G02FVJ-3AGTE2 operates at 1 MHz clock frequency, providing faster I2C communication while maintaining 2Kbit capacity and 8-TSSOP package compatibility.

For Lower Voltage Operation:

24AA024T-I/MS, 24AA02T-I/MS, BR24G02FVJ-3AGTE2, BR24G02FVJ-3GTE2, BR24G02FVM-3GTTR, and BR24L02FVJ-WE2 support lower minimum supply voltages (1.6V to 1.8V), enabling operation in battery-powered and low-power applications.

Avoid for New Designs:

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

Frequently Asked Questions (FAQ)

Q: Can 24AA02T-I/MS replace 24LC02BHT-I/MS directly?

A: Yes. Both parts share identical memory size (2Kbit), organization (256 x 8), I2C interface, 400 kHz clock frequency, 5ms write cycle time, and 8-MSOP package. The 24AA02T-I/MS supports a lower minimum voltage (1.7V vs 2.5V), making it compatible with the main part's 2.5V ~ 5.5V operating range.

Q: What is the difference between 24LC02BT-I/MS and 24LC024T-I/MS?

A: Both parts are parametric equivalents with identical electrical specifications and 8-MSOP packaging. The primary difference is packaging format: 24LC02BT-I/MS is supplied in Cut Tape & Digi-Reel, while 24LC024T-I/MS is also supplied in Cut Tape & Digi-Reel. Both support the same voltage range (2.5V ~ 5.5V) and operating temperature (-40°C ~ 85°C).

Q: Can Rohm Semiconductor parts substitute for Microchip parts?

A: Yes, with package considerations. BR24A02FVM-WMTR, BR24G02FVJ-3AGTE2, BR24G02FVM-3GTTR, and BR24L02FVJ-WE2 meet the 2Kbit I2C EEPROM specifications. BR24A02FVM-WMTR uses 8-MSOP (0.110", 2.80mm width) versus the main part's 8-MSOP (0.118", 3.00mm width). BR24G02 and BR24L02 variants use 8-TSSOP packaging, which is mechanically compatible but requires PCB layout verification.

Q: Is BR24G02FVJ-3AGTE2 suitable for new designs?

A: Yes. BR24G02FVJ-3AGTE2 is marked Active and offers 1 MHz clock frequency, lower minimum voltage (1.6V), and 8-TSSOP packaging. It is suitable for new designs requiring faster I2C communication.

Q: What packaging options are available?

A: Microchip parts are supplied in Tape & Reel (TR) or Cut Tape & Digi-Reel (CT) formats. Rohm parts are supplied in Tape & Reel. Package types are 8-MSOP (0.118", 3.00mm width) or 8-VSSOP/8-MSOP (0.110", 2.80mm width for Rohm) or 8-TSSOP. Verify PCB footprint compatibility before selection.

Q: Can parts marked "Not For New Designs" be used?

A: BR24G02FVJ-3GTE2 and BR24L02FVJ-WE2 are marked "Not For New Designs" and should be avoided for new product development. Use active alternatives instead.

Q: What is the minimum voltage requirement for low-power applications?

A: For minimum voltage operation, select 24AA024T-I/MS, 24AA02T-I/MS, BR24G02FVJ-3AGTE2, BR24G02FVJ-3GTE2, BR24G02FVM-3GTTR, or BR24L02FVJ-WE2, which support 1.6V ~ 1.8V minimum supply voltage.

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