Equivalent & Substitute Parts for 24AA02H-I/MS

Part Overview

The 24AA02H-I/MS is a 2Kbit EEPROM memory IC manufactured by Microchip Technology, featuring I2C interface with 400 kHz clock frequency and 8-MSOP surface mount packaging. This non-volatile memory device operates across a wide voltage range of 1.7V to 5.5V and temperature range of -40°C to 85°C, making it suitable for embedded systems requiring persistent data storage. The part is ROHS3 compliant and currently in active production status. Equivalent and substitute parts are identified based on matching core electrical parameters and mechanical compatibility within the 2Kbit I2C EEPROM category.

Key Parameters

Parameter	Value
Memory Size	2Kbit
Memory Format	EEPROM
Memory Interface	I2C
Clock Frequency	400 kHz
Memory Organization	256 x 8
Write Cycle Time	5ms
Access Time	900 ns
Voltage Supply Range	1.7V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package Type	8-MSOP / 8-TSSOP
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 24AA02H-I/MS is determined by the following core parameters:

Primary Matching Criteria:

Memory Size: 2Kbit (256 x 8 organization)
Memory Format: EEPROM
Memory Interface: I2C
Write Cycle Time: 5ms
Voltage Supply Range: Must encompass or be compatible with 1.7V ~ 5.5V
Operating Temperature: Must support -40°C ~ 85°C minimum
Mounting Type: Surface Mount
Package: 8-MSOP or 8-TSSOP variants

Substitution Categories:

Parametric Equivalents match all electrical and mechanical specifications exactly. These parts are direct replacements with identical performance characteristics.

Manufacturer Recommended Substitutes are qualified alternatives from different manufacturers (Rohm Semiconductor, STMicroelectronics) that meet or exceed the core electrical parameters. Some variants may have enhanced specifications (higher clock frequency, extended temperature range, automotive qualification) or different packaging options (8-VSSOP, 8-TSSOP-BJ).

Product Status Considerations: Parts marked "Not For New Designs" remain functionally equivalent but should be evaluated for long-term availability in production environments.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Memory Size	Clock Frequency	Voltage Supply	Operating Temperature	Package Type	Product Status	Inventory (Pcs)
24AA02H-I/MS	Microchip Technology	2Kbit	400 kHz	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	680
24AA02-I/MS	Microchip Technology	2Kbit	400 kHz	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	1620
24AA025-I/MS	Microchip Technology	2Kbit	400 kHz	1.7V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	783
BR24A02FVM-WMTR	Rohm Semiconductor	2Kbit	400 kHz	2.5V ~ 5.5V	-40°C ~ 105°C	8-MSOP	Active	1390
BR24G02FVJ-3AGTE2	Rohm Semiconductor	2Kbit	1 MHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	1723
BR24G02FVJ-3GTE2	Rohm Semiconductor	2Kbit	400 kHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Not For New Designs	2600
BR24G02FVM-3GTTR	Rohm Semiconductor	2Kbit	400 kHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-MSOP	Active	2710
BR24T02FVJ-WE2	Rohm Semiconductor	2Kbit	400 kHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Not For New Designs	3700
M24C02-WDW6TP	STMicroelectronics	2Kbit	400 kHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Not For New Designs	529992
M34E02-FDW1TP	STMicroelectronics	2Kbit	400 kHz	1.7V ~ 3.6V	0°C ~ 70°C	8-TSSOP	Not For New Designs	16709

Engineering Selection Recommendations

For Direct Replacement (Active Status, Identical Specifications):

24AA02-I/MS and 24AA025-I/MS are parametric equivalents from Microchip Technology with identical electrical and thermal specifications to the 24AA02H-I/MS. Both are in active production status and ROHS3 compliant.

For Alternative Manufacturers (Active Status):

BR24G02FVM-3GTTR (Rohm Semiconductor) provides equivalent 2Kbit I2C EEPROM functionality in 8-MSOP packaging with active product status. Voltage supply range extends to 1.6V minimum, and operating temperature extends to 105°C maximum, offering enhanced environmental tolerance.
BR24G02FVJ-3AGTE2 (Rohm Semiconductor) offers 1 MHz clock frequency operation, providing higher speed capability while maintaining 2Kbit capacity and 8-TSSOP packaging. Active production status and ROHS3 compliance confirmed.
BR24A02FVM-WMTR (Rohm Semiconductor) includes automotive-grade qualification (AEC-Q100) with extended operating temperature to 105°C, suitable for automotive and industrial applications requiring enhanced reliability.

For Legacy Applications (Not For New Designs Status):

BR24G02FVJ-3GTE2, BR24T02FVJ-WE2, M24C02-WDW6TP, and M34E02-FDW1TP are functionally equivalent but designated "Not For New Designs." These parts remain available for sustaining production and legacy system support.

Voltage Supply Compatibility Note:

M34E02-FDW1TP operates within 1.7V ~ 3.6V range and 0°C ~ 70°C temperature range, which does not fully encompass the 24AA02H-I/MS specifications. This part is suitable only for applications with compatible voltage and temperature requirements.

Frequently Asked Questions (FAQ)

Q: Can I use 24AA02-I/MS as a direct replacement for 24AA02H-I/MS? A: Yes. Both parts are manufactured by Microchip Technology with identical electrical specifications: 2Kbit EEPROM, I2C interface, 400 kHz clock frequency, 1.7V ~ 5.5V supply voltage, -40°C ~ 85°C operating temperature, and 8-MSOP packaging. Both are ROHS3 compliant and in active production status.

Q: What is the difference between 8-MSOP and 8-TSSOP packaging? A: Both are surface mount packages with 8 pins suitable for automated assembly. 8-MSOP (Mini Small Outline Package) has a width of 3.00mm, while 8-TSSOP (Thin Shrink Small Outline Package) has a width of 4.40mm. Package selection depends on PCB layout constraints and assembly equipment compatibility. Electrical functionality is identical between equivalent parts in these packages.

Q: Can I substitute BR24G02FVJ-3AGTE2 for the 24AA02H-I/MS? A: Yes, with consideration for enhanced specifications. BR24G02FVJ-3AGTE2 provides 1 MHz clock frequency compared to 400 kHz, offering higher speed capability. Voltage supply range (1.6V ~ 5.5V) and operating temperature (-40°C ~ 85°C) are compatible. The 8-TSSOP package differs from 8-MSOP, requiring PCB layout verification. Both are ROHS3 compliant and in active production.

Q: Why are some substitute parts marked "Not For New Designs"? A: Parts designated "Not For New Designs" remain functionally equivalent and available for inventory, but manufacturers have discontinued active development and recommend alternative parts for new product designs. These parts are suitable for sustaining production of existing products and legacy system support.

Q: Does BR24A02FVM-WMTR automotive qualification affect its use in non-automotive applications? A: No. Automotive-grade qualification (AEC-Q100) indicates enhanced reliability testing and extended operating temperature range (-40°C ~ 105°C). This part is fully compatible with non-automotive applications and provides additional margin for thermal performance.

Q: Is M34E02-FDW1TP compatible with my 24AA02H-I/MS application? A: M34E02-FDW1TP operates within 1.7V ~ 3.6V voltage range and 0°C ~ 70°C temperature range. Compatibility depends on your specific application requirements. If your system requires full 1.7V ~ 5.5V supply voltage range or -40°C ~ 85°C temperature operation, M34E02-FDW1TP is not suitable. Verify your application's voltage and temperature specifications before selection.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the environmental compliance status of the 24AA02H-I/MS.

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