Equivalent & Substitute Parts for 24LC025-E/SN

Part Overview

The 24LC025-E/SN is a 2Kbit EEPROM memory IC manufactured by Microchip Technology, featuring I2C interface operation at 400 kHz with 900 ns access time. This non-volatile memory device is packaged in 8-SOIC surface mount configuration and operates across a supply voltage range of 2.5V to 5.5V with an operating temperature range of -40°C to 125°C. The part is ROHS3 compliant and currently in active production status with 729 units in stock. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific requirements such as automotive qualification or enhanced performance specifications.

Key Parameters

Parameter	24LC025-E/SN
Manufacturer	Microchip Technology
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 ~ 125°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 24LC025-E/SN is determined by strict equivalence in the following critical parameters: 2Kbit memory capacity, 256 x 8 memory organization, I2C interface protocol, 8-SOIC package footprint, and surface mount mounting type. The substitute parts are grouped into the following categories:

Parametric Equivalents maintain identical electrical specifications including 400 kHz clock frequency, 900 ns access time, 5 ms write cycle time, 2.5V to 5.5V supply voltage range, and -40°C to 125°C operating temperature. These parts are direct functional replacements with no performance trade-offs.

Manufacturer Recommended Substitutes from Microchip Technology include the 24LC024H-E/SN (1 MHz clock frequency, 400 ns access time) and 24LC024-E/SN (400 kHz, 900 ns access time), which maintain full electrical compatibility while offering enhanced performance or alternative MSL ratings.

Cross-Manufacturer Equivalents from STMicroelectronics (M24C02 series), Rohm Semiconductor (BR24A02F-WME2, BR24G02F-3GTE2), and onsemi (CAV24C02WE-GT3) provide functional equivalence with identical memory specifications and I2C interface. These parts may include automotive qualification (AEC-Q100) and extended supply voltage ranges.

Upgrade Options such as BR24A02FJ-WME2 and BR24A02F-WME2 offer automotive-grade qualification with AEC-Q100 certification, suitable for applications requiring automotive reliability standards.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Access Time	Voltage Supply	Operating Temp	Package	AEC-Q100	Inventory
24LC025-E/SN	Microchip	2Kbit	400 kHz	900 ns	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	No	729
24LC024H-E/SN	Microchip	2Kbit	1 MHz	400 ns	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	No	727
24LC024-E/SN	Microchip	2Kbit	400 kHz	900 ns	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	No	2700
24LC02B-E/SN	Microchip	2Kbit	400 kHz	900 ns	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	No	2000
BR24A02FJ-WME2	Rohm	2Kbit	400 kHz	—	2.5V ~ 5.5V	-40°C ~ 105°C	8-SOP-J	Yes	953
BR24A02F-WME2	Rohm	2Kbit	400 kHz	—	2.5V ~ 5.5V	-40°C ~ 105°C	8-SOP	Yes	2700
BR24G02F-3GTE2	Rohm	2Kbit	400 kHz	—	1.6V ~ 5.5V	-40°C ~ 85°C	8-SOP	No	2880
CAV24C02WE-GT3	onsemi	2Kbit	400 kHz	900 ns	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	Yes	19357
M24C02-DRMN3TP/K	STMicroelectronics	2Kbit	1 MHz	450 ns	1.8V ~ 5.5V	-40°C ~ 125°C	8-SOIC	Yes	5027
M24C02-FMN6TP	STMicroelectronics	2Kbit	400 kHz	900 ns	1.7V ~ 5.5V	-40°C ~ 85°C	8-SOIC	No	27113
M24C02-RMN6TP	STMicroelectronics	2Kbit	400 kHz	900 ns	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	No	705200

Engineering Selection Recommendations

For Direct Replacement with Identical Specifications: Select 24LC024-E/SN or 24LC02B-E/SN from Microchip Technology. Both maintain 400 kHz clock frequency, 900 ns access time, and full temperature range operation (-40°C to 125°C). The 24LC024-E/SN offers higher inventory availability (2700 units) compared to the original part.

For Enhanced Performance: The 24LC024H-E/SN provides 1 MHz clock frequency and 400 ns access time while maintaining Microchip Technology manufacturing and identical supply voltage specifications. This option is suitable for applications requiring faster I2C bus operation.

For Automotive Applications: Select CAV24C02WE-GT3 from onsemi or M24C02-DRMN3TP/K from STMicroelectronics. Both carry AEC-Q100 automotive qualification. The CAV24C02WE-GT3 maintains identical electrical specifications (400 kHz, 900 ns access time, -40°C to 125°C) with significantly higher inventory (19357 units). The M24C02-DRMN3TP/K offers 1 MHz performance with AEC-Q100 qualification and extended temperature range support.

For Extended Supply Voltage Range: The BR24G02F-3GTE2 from Rohm Semiconductor operates from 1.6V to 5.5V, providing enhanced low-voltage capability. The M24C02 series from STMicroelectronics supports 1.7V to 1.8V minimum supply voltages.

For High-Volume Availability: M24C02-RMN6TP from STMicroelectronics provides the largest inventory (705200 units) with 400 kHz operation and 8-SOIC package compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use 24LC024H-E/SN as a direct replacement for 24LC025-E/SN?

A: Yes. The 24LC024H-E/SN is functionally compatible with identical memory capacity (2Kbit), memory organization (256 x 8), I2C interface, supply voltage range (2.5V to 5.5V), and operating temperature range (-40°C to 125°C). The primary difference is enhanced clock frequency (1 MHz versus 400 kHz) and faster access time (400 ns versus 900 ns), which provide performance improvement without compatibility issues.

Q: What is the difference between 8-SOIC and 8-SOP packages?

A: Both 8-SOIC and 8-SOP are surface mount packages with eight pins. The 24LC025-E/SN uses 8-SOIC with 0.154" (3.90mm) width. Rohm Semiconductor BR24A02F-WME2 uses 8-SOP with 0.173" (4.40mm) width. While pin count and pitch are compatible, the slightly wider package may require PCB layout verification for tight spacing applications.

Q: Are STMicroelectronics M24C02 parts compatible with Microchip 24LC025-E/SN?

A: Yes. The M24C02 series maintains 2Kbit capacity, 256 x 8 organization, I2C interface, and 8-SOIC package. The M24C02-FMN6TP and M24C02-RMN6TP both operate at 400 kHz with 900 ns access time, providing full electrical equivalence. The M24C02-DRMN3TP/K offers 1 MHz operation with AEC-Q100 automotive qualification.

Q: Which substitute part has the best inventory availability?

A: M24C02-RMN6TP from STMicroelectronics has the highest inventory at 705200 units. This part maintains 400 kHz clock frequency and 900 ns access time with 8-SOIC package compatibility.

Q: Can I use automotive-qualified parts in non-automotive applications?

A: Yes. Automotive-qualified parts such as CAV24C02WE-GT3 (onsemi) and M24C02-DRMN3TP/K (STMicroelectronics) meet or exceed commercial specifications and are fully compatible with non-automotive designs. These parts provide additional reliability assurance through AEC-Q100 qualification.

Q: What is the impact of different MSL ratings on component handling?

A: The 24LC025-E/SN has MSL 1 (Unlimited), requiring no special moisture control during storage or handling. The 24LC024-E/SN has MSL 3 (168 Hours), requiring moisture control and baking procedures if exposed to ambient conditions for extended periods. For applications with standard manufacturing processes, MSL 1 parts are preferred to eliminate moisture management requirements.

Q: Are there supply voltage differences between substitute parts?

A: The original 24LC025-E/SN operates from 2.5V to 5.5V. Most substitutes maintain this range. The BR24G02F-3GTE2 extends the minimum to 1.6V, and STMicroelectronics M24C02 series supports 1.7V to 1.8V minimum, providing enhanced low-voltage operation for battery-powered applications.

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