Equivalent & Substitute Parts for 24AA02/SN

Part Overview

The 24AA02/SN is a 2Kbit EEPROM memory IC manufactured by Microchip Technology, featuring I2C interface operation at 400 kHz with 900 ns access time in an 8-SOIC surface mount package. This device is classified as Active product status and is ROHS3 compliant. Substitute parts are necessary when the primary part number becomes unavailable, when specific packaging formats are required for production workflows, or when extended operating temperature ranges are needed for particular application environments.

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	1.7V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 24AA02/SN is determined by the following critical parameters:

Core Electrical Parameters (Must Match):

Memory Size: 2Kbit
Memory Organization: 256 x 8
Memory Interface: I2C
Memory Format: EEPROM

Performance Parameters (Must Match or Exceed):

Clock Frequency: 400 kHz minimum
Access Time: 900 ns maximum
Write Cycle Time: 5ms
Voltage Supply Range: Must encompass 1.7V ~ 5.5V or be compatible within application requirements

Physical Parameters (Must Match):

Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount

Compliance Parameters:

RoHS Status: ROHS3 Compliant
REACH Status: REACH Unaffected

Substitute parts may differ in packaging format (Tube, Tape & Reel, Bulk, Cut Tape), operating temperature range, and manufacturer identity while maintaining electrical and mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Access Time	Voltage Supply	Operating Temperature	Package Format	Product Status
24AA02/SN	Microchip Technology	2Kbit	400 kHz	900 ns	1.7V ~ 5.5V	0°C ~ 70°C	Tube	Active
24AA02T/SN	Microchip Technology	2Kbit	400 kHz	900 ns	1.7V ~ 5.5V	0°C ~ 70°C	Tape & Reel	Active
24AA02-I/SN	Microchip Technology	2Kbit	400 kHz	900 ns	1.7V ~ 5.5V	-40°C ~ 85°C	Tube	Active
24AA024-I/SN	Microchip Technology	2Kbit	400 kHz	900 ns	1.7V ~ 5.5V	-40°C ~ 85°C	Tube	Active
24AA02H-I/SN	Microchip Technology	2Kbit	400 kHz	900 ns	1.7V ~ 5.5V	-40°C ~ 85°C	Tube	Active
AT24CS02-SSHM-T	Microchip Technology	2Kbit	1 MHz	550 ns	1.7V ~ 5.5V	-40°C ~ 85°C	Cut Tape & Digi-Reel	Active
AT24HC02C-SSHM-B	Microchip Technology	2Kbit	1 MHz	550 ns	1.7V ~ 5.5V	-40°C ~ 85°C	Bulk	Active
BR24G02FJ-3GTE2	Rohm Semiconductor	2Kbit	400 kHz	Not specified	1.6V ~ 5.5V	-40°C ~ 85°C	Tape & Reel	Active
BR24T02FJ-WE2	Rohm Semiconductor	2Kbit	400 kHz	Not specified	1.6V ~ 5.5V	-40°C ~ 85°C	Tape & Reel	Active
M24C02-FMN6TP	STMicroelectronics	2Kbit	400 kHz	900 ns	1.7V ~ 5.5V	-40°C ~ 85°C	Cut Tape & Digi-Reel	Active
M24C02-RMN6P	STMicroelectronics	2Kbit	400 kHz	900 ns	1.8V ~ 5.5V	-40°C ~ 85°C	Bulk	Active

Engineering Selection Recommendations

Microchip Technology 24AA02 Series (Direct Manufacturer Equivalents): The 24AA02-I/SN, 24AA024-I/SN, and 24AA02H-I/SN are manufacturer-recommended equivalents offering extended operating temperature range (-40°C ~ 85°C) compared to the base 24AA02/SN (0°C ~ 70°C). These parts maintain identical electrical specifications and 8-SOIC packaging. Selection between these variants depends on application temperature requirements and packaging format availability (Tube format). All are ROHS3 compliant and Active product status.

Microchip Technology AT24 Series (Enhanced Performance): The AT24CS02-SSHM-T and AT24HC02C-SSHM-B offer superior performance with 1 MHz clock frequency and 550 ns access time, exceeding the 24AA02/SN specifications. These parts are suitable for applications requiring faster I2C communication while maintaining 2Kbit capacity and 8-SOIC packaging. Extended temperature range (-40°C ~ 85°C) is standard. Packaging formats differ (Cut Tape & Digi-Reel and Bulk respectively).

Rohm Semiconductor BR24 Series (Cross-Manufacturer Substitutes): The BR24G02FJ-3GTE2 and BR24T02FJ-WE2 provide equivalent 2Kbit I2C EEPROM functionality at 400 kHz with extended temperature range (-40°C ~ 85°C). Voltage supply range is 1.6V ~ 5.5V. Both are supplied in Tape & Reel format. Access time specifications are not provided in available documentation.

STMicroelectronics M24C02 Series (Cross-Manufacturer Substitutes): The M24C02-FMN6TP and M24C02-RMN6P maintain full electrical equivalence with 2Kbit capacity, 400 kHz I2C operation, and 900 ns access time. Operating temperature range is -40°C ~ 85°C. M24C02-FMN6TP supports 1.7V ~ 5.5V supply range (Cut Tape & Digi-Reel packaging), while M24C02-RMN6P supports 1.8V ~ 5.5V (Bulk packaging). Both are ROHS3 compliant and Active status.

Frequently Asked Questions (FAQ)

Q: Can I substitute 24AA02/SN with 24AA02T/SN? A: Yes. Both parts are electrically identical with 2Kbit capacity, 400 kHz I2C interface, and 900 ns access time in 8-SOIC packaging. The primary difference is packaging format: 24AA02/SN is supplied in Tube format while 24AA02T/SN is supplied in Tape & Reel format. Selection depends on production workflow requirements.

Q: What is the difference between 24AA02/SN and 24AA02-I/SN? A: Both parts are electrically equivalent with identical memory specifications and 8-SOIC packaging. The key difference is operating temperature range: 24AA02/SN operates 0°C ~ 70°C while 24AA02-I/SN operates -40°C ~ 85°C. The -I/SN variant is suitable for industrial and extended temperature applications.

Q: Can AT24CS02-SSHM-T replace 24AA02/SN? A: Yes, with performance enhancement. The AT24CS02-SSHM-T maintains 2Kbit capacity and 8-SOIC packaging but offers faster I2C operation at 1 MHz (versus 400 kHz) and 550 ns access time (versus 900 ns). This part is backward compatible and suitable for applications requiring improved performance. Operating temperature range is -40°C ~ 85°C.

Q: Are Rohm Semiconductor BR24 parts compatible with 24AA02/SN? A: Yes. BR24G02FJ-3GTE2 and BR24T02FJ-WE2 provide equivalent 2Kbit I2C EEPROM functionality in 8-SOIC packaging at 400 kHz operation. Both support extended temperature range (-40°C ~ 85°C) and are supplied in Tape & Reel format. Voltage supply range is 1.6V ~ 5.5V, which encompasses the 24AA02/SN requirement.

Q: Can I use STMicroelectronics M24C02 parts as substitutes? A: Yes. M24C02-FMN6TP and M24C02-RMN6P are fully compatible substitutes with identical 2Kbit capacity, 400 kHz I2C interface, and 900 ns access time. Both support -40°C ~ 85°C operating temperature. Packaging formats differ: M24C02-FMN6TP is Cut Tape & Digi-Reel while M24C02-RMN6P is Bulk. Verify voltage supply range compatibility: M24C02-FMN6TP supports 1.7V ~ 5.5V and M24C02-RMN6P supports 1.8V ~ 5.5V.

Q: What packaging formats are available for 24AA02 equivalents? A: Available formats include Tube (24AA02/SN, 24AA02-I/SN, 24AA024-I/SN, 24AA02H-I/SN), Tape & Reel (24AA02T/SN, BR24G02FJ-3GTE2, BR24T02FJ-WE2), Cut Tape & Digi-Reel (AT24CS02-SSHM-T, M24C02-FMN6TP), and Bulk (AT24HC02C-SSHM-B, M24C02-RMN6P). Selection depends on production assembly requirements and inventory management practices.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, consistent with the primary 24AA02/SN part. This ensures regulatory compliance across all equivalent options.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message