Equivalent & Substitute Parts for 24VL024T/ST

Part Overview

The 24VL024T/ST is a 2Kbit EEPROM memory IC manufactured by Microchip Technology, featuring I2C interface with 400 kHz clock frequency and 900 ns access time. Supplied in 8-TSSOP package with Tape & Reel packaging, this component operates across 1.5V to 3.6V supply voltage range and -20°C to 85°C temperature range. The part is ROHS3 compliant and currently in active production status. Equivalent and substitute parts are identified based on matching memory capacity, interface protocol, package type, and electrical operating parameters to ensure functional compatibility in circuit applications.

Key Parameters

Parameter	24VL024T/ST
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	1.5V ~ 3.6V
Operating Temperature	-20°C ~ 85°C (TA)
Package Type	8-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 24VL024T/ST are categorized based on the following substitution criteria:

Direct Packaging Equivalent: Parts with identical memory specifications (2Kbit, 256 x 8, I2C interface, 400 kHz clock frequency, 900 ns access time) but different packaging formats (Tube instead of Tape & Reel).

Manufacturer Recommended Substitutes: Parts with enhanced performance specifications (1 MHz clock frequency, faster access times) that maintain backward compatibility with the original part's I2C interface and 2Kbit memory capacity. These parts operate across wider voltage ranges and extended temperature specifications.

Parametric Equivalents: Parts from alternative manufacturers (Rohm Semiconductor) with identical core memory specifications and I2C interface, available in different package configurations and supply formats.

Key Parameters Determining Substitution:

Memory Size: 2Kbit (fixed requirement)
Memory Organization: 256 x 8 (fixed requirement)
Memory Interface: I2C (fixed requirement)
Package Type: 8-TSSOP or compatible 8-pin packages
Voltage Supply Range: Must encompass or exceed 1.5V ~ 3.6V
Operating Temperature: Must encompass or exceed -20°C ~ 85°C
Write Cycle Time: 5ms (standard for this memory class)

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Access Time	Voltage Supply	Operating Temperature	Package Type	Packaging Format	Product Status
24VL024T/ST	Microchip Technology	2Kbit	400 kHz	900 ns	1.5V ~ 3.6V	-20°C ~ 85°C (TA)	8-TSSOP	Tape & Reel	Active
24VL024/ST	Microchip Technology	2Kbit	400 kHz	900 ns	1.5V ~ 3.6V	-20°C ~ 85°C (TA)	8-TSSOP	Tube	Active
AT24C02C-XHM-B	Microchip Technology	2Kbit	1 MHz	550 ns	1.7V ~ 5.5V	-40°C ~ 85°C (TA)	8-TSSOP	Tube	Active
AT24C02D-XHM-B	Microchip Technology	2Kbit	1 MHz	4.5 µs	1.7V ~ 3.6V	-40°C ~ 85°C (TC)	8-TSSOP	Tube	Active
AT24C02D-XHM-T	Microchip Technology	2Kbit	1 MHz	4.5 µs	1.7V ~ 3.6V	-40°C ~ 85°C (TC)	8-TSSOP	Tape & Reel	Active
24VL025T/ST	Microchip Technology	2Kbit	400 kHz	900 ns	1.5V ~ 3.6V	-20°C ~ 85°C (TA)	8-TSSOP	Cut Tape	Active
BR24G02FV-3GTE2	Rohm Semiconductor	2Kbit	400 kHz	Not specified	1.6V ~ 5.5V	-40°C ~ 85°C (TA)	8-LSSOP	Tape & Reel	Not For New Designs
BR24G02FVJ-3AGTE2	Rohm Semiconductor	2Kbit	1 MHz	Not specified	1.6V ~ 5.5V	-40°C ~ 85°C (TA)	8-TSSOP, 8-MSOP	Tape & Reel	Active
BR24G02FVJ-3GTE2	Rohm Semiconductor	2Kbit	400 kHz	Not specified	1.6V ~ 5.5V	-40°C ~ 85°C (TA)	8-TSSOP, 8-MSOP	Tape & Reel	Not For New Designs
BR24G02FVM-3GTTR	Rohm Semiconductor	2Kbit	400 kHz	Not specified	1.6V ~ 5.5V	-40°C ~ 85°C (TA)	8-VSSOP, 8-MSOP	Tape & Reel	Active
BR24G02FVT-3AGE2	Rohm Semiconductor	2Kbit	1 MHz	Not specified	1.6V ~ 5.5V	-40°C ~ 85°C (TA)	8-TSSOP	Tape & Reel	Active

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): Use 24VL024/ST when Tube packaging is acceptable instead of Tape & Reel. This part maintains identical electrical and thermal specifications while offering alternative supply format.

For Enhanced Performance Applications: AT24C02C-XHM-B and AT24C02D-XHM-T provide higher clock frequency (1 MHz versus 400 kHz) and faster access times. AT24C02C-XHM-B offers extended voltage range (1.7V ~ 5.5V) and extended temperature range (-40°C ~ 85°C). These parts are suitable for applications requiring higher I2C bus speeds while maintaining 2Kbit memory capacity and I2C interface compatibility.

For Rohm Semiconductor Alternatives: BR24G02FVT-3AGE2 and BR24G02FVJ-3AGTE2 provide 1 MHz clock frequency operation with extended voltage range (1.6V ~ 5.5V) and extended temperature range (-40°C ~ 85°C). BR24G02FVM-3GTTR offers 400 kHz operation in 8-MSOP package format. All Rohm parts maintain ROHS3 compliance and MSL 1 rating.

Product Status Considerations: BR24G02FV-3GTE2 and BR24G02FVJ-3GTE2 are marked "Not For New Designs" and should be avoided for new circuit development. Prioritize parts with "Active" product status for new applications.

Frequently Asked Questions (FAQ)

Q: Can AT24C02C-XHM-B replace 24VL024T/ST directly? A: Yes, functionally. AT24C02C-XHM-B maintains 2Kbit capacity and I2C interface. However, it operates at 1 MHz clock frequency (versus 400 kHz) and requires minimum 1.7V supply (versus 1.5V). Verify circuit design accommodates these differences before substitution.

Q: What is the difference between 24VL024T/ST and 24VL024/ST? A: Both parts are identical in electrical specifications and package type (8-TSSOP). The difference is packaging format: 24VL024T/ST is supplied in Tape & Reel format, while 24VL024/ST is supplied in Tube format. Select based on assembly equipment requirements.

Q: Are Rohm BR24G02 series parts compatible with Microchip 24VL024T/ST? A: Yes, for I2C interface and 2Kbit memory capacity. However, Rohm parts feature extended voltage range (1.6V ~ 5.5V) and extended temperature range (-40°C ~ 85°C). Verify circuit design requirements before substitution. Avoid BR24G02FV-3GTE2 and BR24G02FVJ-3GTE2 for new designs.

Q: What package types are available for 2Kbit I2C EEPROM substitutes? A: Available packages include 8-TSSOP (0.173", 4.40mm width), 8-LSSOP (0.173", 4.40mm width), 8-MSOP (0.110" to 0.118" width), and 8-VSSOP (0.110", 2.80mm width). Verify PCB layout compatibility before selecting alternative package types.

Q: Which substitute offers the fastest I2C clock frequency? A: AT24C02C-XHM-B, AT24C02D-XHM-B, AT24C02D-XHM-T, BR24G02FVJ-3AGTE2, BR24G02FVT-3AGE2, and BR24G02FVJ-3GTE2 all operate at 1 MHz clock frequency, compared to 400 kHz for the original 24VL024T/ST.

Q: Are all substitute parts ROHS3 compliant? A: Yes, all listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original 24VL024T/ST specifications.

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