24LC025-I/P EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 24LC025-I/P is a 2Kbit I2C EEPROM memory IC manufactured by Microchip Technology, packaged in 8-DIP through-hole configuration. This non-volatile memory device operates at 400 kHz I2C clock frequency with 900 ns access time and supports supply voltages from 2.5V to 5.5V across the industrial temperature range of -40°C to 85°C. The device is ROHS3 compliant and currently in active production status with 814 units in stock. Equivalent and substitute parts are identified to provide design flexibility, inventory alternatives, and performance optimization options for applications requiring 2Kbit I2C EEPROM functionality in 8-DIP packaging.

Substiute Parts

24LC025-I/P

Microchip TechnologyIn Stock: 82724LC025-I/P Datasheet

Current PartRFQ

24AA02-I/P

Microchip TechnologyIn Stock: 128824AA02-I/P Datasheet

MFR RecommendedRFQ

24AA024-I/P

Microchip TechnologyIn Stock: 198524AA024-I/P Datasheet

MFR RecommendedRFQ

24AA024H-I/P

Microchip TechnologyIn Stock: 189024AA024H-I/P Datasheet

MFR RecommendedRFQ

24LC02B-E/P

Microchip TechnologyIn Stock: 160924LC02B-E/P Datasheet

MFR RecommendedRFQ

24LCS22A-I/P

Microchip TechnologyIn Stock: 295024LCS22A-I/P Datasheet

MFR RecommendedRFQ

34AA02-I/P

Microchip TechnologyIn Stock: 295734AA02-I/P Datasheet

MFR RecommendedRFQ

34LC02-I/P

Microchip TechnologyIn Stock: 117034LC02-I/P Datasheet

MFR RecommendedRFQ

AT24HC02C-PUM

Microchip TechnologyIn Stock: 6177AT24HC02C-PUM Datasheet

MFR RecommendedRFQ

24LC024-I/P

Microchip TechnologyIn Stock: 299624LC024-I/P Datasheet

Parametric EquivalentRFQ

24LC02B-I/P

Microchip TechnologyIn Stock: 538624LC02B-I/P Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 24LC025-I/P are classified into two categories based on electrical and mechanical compatibility:

MFR Recommended Substitutes maintain full electrical and mechanical compatibility with the 24LC025-I/P within specified operating parameters. These parts share identical memory capacity (2Kbit), organization (256 x 8), I2C interface, 400 kHz clock frequency, 8-DIP packaging, and through-hole mounting. Substitution is determined by matching these core parameters: memory size, interface type, clock frequency, package configuration, and mounting method. Parts in this category include 24AA02-I/P, 24AA024-I/P, 24AA024H-I/P, 24LC02B-E/P, 24LCS22A-I/P, and 34AA02-I/P.

Parametric Equivalents provide functional equivalence with minor parameter variations that do not affect circuit-level compatibility. These parts maintain 2Kbit capacity, 256 x 8 organization, I2C interface, 8-DIP packaging, and through-hole mounting. Parametric equivalents include 24LC024-I/P and 24LC02B-I/P.

Performance-Enhanced Alternatives offer improved specifications including higher clock frequency (1 MHz) and faster access times (400 ns or 550 ns) while maintaining 2Kbit capacity, I2C interface, 8-DIP packaging, and through-hole mounting. These include 34LC02-I/P and AT24HC02C-PUM.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitutes (Identical Electrical and Mechanical Specifications)

24LC02B-I/P and 24LC024-I/P are parametric equivalents matching all electrical specifications of the 24LC025-I/P: 2Kbit capacity, 400 kHz I2C clock, 900 ns access time, 5 ms write cycle, 2.5V to 5.5V supply range, -40°C to 85°C operating temperature, and 8-DIP through-hole packaging. Both are ROHS3 compliant and active production status. 24LC02B-I/P offers higher inventory availability (5310 units) compared to the main part.

Extended Supply Voltage Range Substitutes

24AA02-I/P, 24AA024-I/P, 24AA024H-I/P, and 34AA02-I/P provide identical functional specifications with extended lower supply voltage limit of 1.7V versus 2.5V on the main part. These devices maintain 2Kbit capacity, 400 kHz clock frequency, 900 ns access time, 5 ms write cycle, -40°C to 85°C operating temperature, and 8-DIP through-hole packaging. All are ROHS3 compliant and active production status. Selection among these variants depends on specific supply voltage requirements and inventory availability.

Extended Temperature Range Substitute

24LC02B-E/P maintains identical electrical specifications with extended upper operating temperature limit of 125°C versus 85°C on the main part. This device is suitable for applications requiring elevated temperature operation while preserving 2Kbit capacity, 400 kHz clock frequency, 900 ns access time, 5 ms write cycle, 2.5V to 5.5V supply range, and 8-DIP through-hole packaging. ROHS3 compliant and active production status.

Performance-Enhanced Alternatives

34LC02-I/P and AT24HC02C-PUM offer improved I2C clock frequency of 1 MHz with correspondingly faster access times (400 ns and 550 ns respectively) compared to 400 kHz and 900 ns on the main part. Both maintain 2Kbit capacity, 5 ms write cycle, 8-DIP through-hole packaging, and ROHS3 compliance. 34LC02-I/P operates at 2.2V to 5.5V supply range; AT24HC02C-PUM extends to 1.7V to 5.5V. These alternatives are suitable for applications requiring higher I2C bus speeds while maintaining backward compatibility with 2Kbit EEPROM functionality.

Write Cycle Time Consideration

24LCS22A-I/P provides identical specifications to the main part with exception of 10 ms write cycle time versus 5 ms. This device is suitable for applications where extended write cycle time is acceptable, offering higher inventory availability (2900 units) and identical electrical and thermal specifications.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 24LC025-I/P with 24LC02B-I/P?

A: Yes. 24LC02B-I/P is a parametric equivalent with identical memory capacity (2Kbit), I2C interface (400 kHz), access time (900 ns), write cycle time (5 ms), supply voltage range (2.5V to 5.5V), operating temperature range (-40°C to 85°C), and 8-DIP through-hole packaging. Both are ROHS3 compliant and active production status.

Q: What is the difference between 24AA02-I/P and 24LC025-I/P?

A: Both devices share identical memory capacity (2Kbit), I2C interface (400 kHz), access time (900 ns), write cycle time (5 ms), operating temperature range (-40°C to 85°C), and 8-DIP through-hole packaging. The primary difference is supply voltage range: 24AA02-I/P operates at 1.7V to 5.5V versus 2.5V to 5.5V for 24LC025-I/P. 24AA02-I/P is suitable for low-voltage applications.

Q: When should I use 34LC02-I/P instead of 24LC025-I/P?

A: 34LC02-I/P is appropriate for applications requiring higher I2C bus speed. It operates at 1 MHz clock frequency with 400 ns access time compared to 400 kHz and 900 ns on 24LC025-I/P. Both maintain 2Kbit capacity and 8-DIP through-hole packaging. 34LC02-I/P is backward compatible with 400 kHz I2C bus operation.

Q: Is 24LC02B-E/P compatible with 24LC025-I/P in standard applications?

A: Yes, for applications operating within -40°C to 85°C temperature range. 24LC02B-E/P is electrically identical with identical memory capacity (2Kbit), I2C interface (400 kHz), access time (900 ns), write cycle time (5 ms), supply voltage range (2.5V to 5.5V), and 8-DIP through-hole packaging. The extended temperature rating to 125°C provides additional capability for high-temperature environments.

Q: What is the impact of using 24LCS22A-I/P with 10 ms write cycle time?

A: 24LCS22A-I/P is functionally equivalent with 10 ms write cycle time versus 5 ms on 24LC025-I/P. This affects write operation duration only. All other parameters are identical: 2Kbit capacity, 400 kHz I2C clock, 900 ns access time, 2.5V to 5.5V supply range, -40°C to 85°C operating temperature, and 8-DIP through-hole packaging. Applications with non-critical write timing can use this device.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts including 24AA02-I/P, 24AA024-I/P, 24AA024H-I/P, 24LC02B-E/P, 24LCS22A-I/P, 34AA02-I/P, 34LC02-I/P, AT24HC02C-PUM, 24LC024-I/P, and 24LC02B-I/P are ROHS3 compliant and REACH unaffected.

Q: Can I use AT24HC02C-PUM in a 400 kHz I2C system?

A: Yes. AT24HC02C-PUM operates at 1 MHz I2C clock frequency but is backward compatible with lower clock speeds including 400 kHz. The device maintains 2Kbit capacity, 8-DIP through-hole packaging, 1.7V to 5.5V supply range, and -40°C to 85°C operating temperature. Access time is 550 ns.