Equivalent & Substitute Parts for 24VL025T/SN

Part Overview

The 24VL025T/SN is a 2Kbit EEPROM memory IC manufactured by Microchip Technology, featuring I2C interface with 400 kHz clock frequency and 8-SOIC surface mount packaging. This component is classified as Active product status with verified programmability through DiGi-Electronics. The part operates across a supply voltage range of 1.5V to 3.6V and temperature range of -20°C to 85°C, making it suitable for low-power embedded applications requiring non-volatile memory storage.

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design flexibility demands components from different manufacturers that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Memory Type	Non-Volatile EEPROM
Memory Size	2Kbit
Memory Organization	256 x 8
Interface	I2C
Clock Frequency	400 kHz
Access Time	900 ns
Write Cycle Time	5 ms
Supply Voltage	1.5V ~ 3.6V
Operating Temperature	-20°C ~ 85°C
Package Type	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 24VL025T/SN is determined by the following critical parameters:

Memory Specifications: All substitute parts must maintain 2Kbit capacity with 256 x 8 organization and I2C interface protocol. Memory type must remain EEPROM non-volatile technology.

Electrical Characteristics: Clock frequency, access time, and write cycle time must be compatible with the application requirements. Supply voltage range and operating temperature range define the operational envelope for substitution.

Physical Compatibility: Package type (8-SOIC) and mounting type (Surface Mount) establish mechanical compatibility. Package width variations (0.154" to 0.173") are acceptable within standard PCB assembly tolerances.

Compliance & Status: RoHS3 compliance and active product status are preferred for long-term availability and regulatory adherence.

Substitute parts are grouped into three categories: Microchip Technology variants (same manufacturer, different packaging), Rohm Semiconductor equivalents (extended voltage and temperature ranges), and onsemi alternatives (automotive-grade and legacy options).

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Supply Voltage	Operating Temperature	Package	Product Status	Programmable
24VL025T/SN	Microchip Technology	2Kbit	400 kHz	1.5V ~ 3.6V	-20°C ~ 85°C	8-SOIC (0.154")	Active	Verified
24VL024/SN	Microchip Technology	2Kbit	400 kHz	1.5V ~ 3.6V	-20°C ~ 85°C	8-SOIC (0.154")	Active	Not Verified
24VL024HT/SN	Microchip Technology	2Kbit	400 kHz	1.5V ~ 3.6V	-20°C ~ 85°C	8-SOIC (0.154")	Active	Not Verified
24VL024T/SN	Microchip Technology	2Kbit	400 kHz	1.5V ~ 3.6V	-20°C ~ 85°C	8-SOIC (0.154")	Active	Not Verified
BR24G02F-3AGTE2	Rohm Semiconductor	2Kbit	1 MHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-SOIC (0.173")	Active	Not Verified
BR24G02FJ-3GTE2	Rohm Semiconductor	2Kbit	400 kHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-SOIC (0.154")	Active	Not Verified
BR24L02F-WE2	Rohm Semiconductor	2Kbit	400 kHz	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC (0.173")	Active	Verified
BR24L02FJ-WE2	Rohm Semiconductor	2Kbit	400 kHz	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC (0.154")	Active	Verified
BR24T02F-WGE2	Rohm Semiconductor	2Kbit	400 kHz	1.6V ~ 5.5V	-40°C ~ 85°C	8-SOIC (0.173")	Active	Not Verified
CAT24C03WI-GT3	onsemi	2Kbit	400 kHz	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC (0.154")	Obsolete	Not Verified
CAV24C02WE-GT3	onsemi	2Kbit	400 kHz	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC (0.154")	Active	Not Verified

Engineering Selection Recommendations

Primary Substitutes (Microchip Technology): The 24VL024/SN, 24VL024HT/SN, and 24VL024T/SN represent direct electrical equivalents from the same manufacturer. These parts maintain identical memory specifications, clock frequency, supply voltage, and operating temperature range. Selection among these variants depends on packaging format requirements: 24VL024/SN (Tube), 24VL024HT/SN (Tape & Reel), and 24VL024T/SN (Cut Tape). All three are Active status with ROHS3 compliance.

Rohm Semiconductor Substitutes: BR24G02FJ-3GTE2 and BR24L02FJ-WE2 provide direct package compatibility (8-SOIC 0.154" width) with extended supply voltage range (1.6V ~ 5.5V or 1.8V ~ 5.5V) and expanded operating temperature (-40°C ~ 85°C). BR24L02FJ-WE2 carries verified programmability status. BR24G02F-3AGTE2 and BR24T02F-WGE2 feature wider packages (0.173") but maintain electrical compatibility. BR24G02F-3AGTE2 operates at 1 MHz clock frequency, exceeding the 400 kHz requirement.

onsemi Alternatives: CAT24C03WI-GT3 is classified as Obsolete and should be avoided for new designs despite electrical compatibility. CAV24C02WE-GT3 is an automotive-grade variant (AEC-Q100 qualified) with extended operating temperature to 125°C and higher minimum supply voltage (2.5V), suitable for automotive applications requiring enhanced temperature performance.

Compliance Consideration: All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory adherence across manufacturing jurisdictions.

Frequently Asked Questions (FAQ)

Q: Can I substitute 24VL024HT/SN for 24VL025T/SN in my design?

A: Yes. Both parts are Microchip Technology EEPROM devices with identical electrical specifications: 2Kbit capacity, I2C 400 kHz interface, 1.5V ~ 3.6V supply voltage, and -20°C ~ 85°C operating temperature. The difference is packaging format: 24VL024HT/SN uses Tape & Reel while 24VL025T/SN uses Cut Tape. Electrical functionality is equivalent.

Q: What is the difference between Rohm BR24G02FJ-3GTE2 and BR24L02FJ-WE2?

A: Both are 2Kbit I2C EEPROM devices in 8-SOIC (0.154") packages with 400 kHz clock frequency. Key differences: BR24G02FJ-3GTE2 has supply voltage range 1.6V ~ 5.5V with unverified programmability, while BR24L02FJ-WE2 has supply voltage range 1.8V ~ 5.5V with verified programmability. BR24L02FJ-WE2 is the preferred choice for applications requiring verified programming compatibility.

Q: Why is CAT24C03WI-GT3 listed as Obsolete?

A: CAT24C03WI-GT3 is marked Obsolete by onsemi, indicating discontinued manufacturing and limited future availability. While electrically compatible with 24VL025T/SN, this part should not be selected for new designs. Active alternatives from Microchip Technology or Rohm Semiconductor are recommended.

Q: Can I use BR24G02F-3AGTE2 which operates at 1 MHz instead of 400 kHz?

A: Yes. The 1 MHz clock frequency of BR24G02F-3AGTE2 exceeds the 400 kHz requirement of 24VL025T/SN. I2C devices operate at the lower of the two clock frequencies on the bus, so a 1 MHz capable device functions correctly in a 400 kHz system. However, the wider package (0.173" vs 0.154") requires PCB layout verification.

Q: Is CAV24C02WE-GT3 suitable for my application?

A: CAV24C02WE-GT3 is an automotive-grade part (AEC-Q100 qualified) with extended operating temperature range (-40°C ~ 125°C) and higher minimum supply voltage (2.5V vs 1.5V). Use this part only if your application requires automotive qualification or operates above 85°C. For standard industrial applications, standard-grade alternatives are appropriate.

Q: What packaging formats are available for 2Kbit I2C EEPROM substitutes?

A: Available packaging formats include Tube (24VL024/SN), Tape & Reel (24VL024HT/SN, BR24G02FJ-3GTE2, BR24L02FJ-WE2), and Cut Tape (24VL024T/SN, CAT24C03WI-GT3). Package width varies between 0.154" and 0.173" for 8-SOIC devices. Verify PCB assembly equipment compatibility with selected packaging format.

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