Microchip 25LC080/P EEPROM Memory IC - Equivalent & Substitute Parts

Part Overview

The Microchip 25LC080/P is an 8Kbit Serial Peripheral Interface (SPI) EEPROM memory IC in 8-DIP packaging. This non-volatile memory device operates at 2 MHz clock frequency with a supply voltage range of 2.5V to 5.5V and is rated for 0°C to 70°C operating temperature. The part is Active status and RoHS3 compliant. Substitute parts are necessary when higher clock frequency operation, extended temperature range, or lower supply voltage requirements are needed for system design flexibility.

Substiute Parts

25LC080/P

Microchip TechnologyIn Stock: 90225LC080/P Datasheet

Current PartRFQ

25AA080A-I/P

Microchip TechnologyIn Stock: 148525AA080A-I/P Datasheet

MFR RecommendedRFQ

25AA080B-I/P

Microchip TechnologyIn Stock: 138525AA080B-I/P Datasheet

MFR RecommendedRFQ

25LC080B-I/P

Microchip TechnologyIn Stock: 170425LC080B-I/P Datasheet

MFR RecommendedRFQ

25LC080D-I/P

Microchip TechnologyIn Stock: 165925LC080D-I/P Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 25LC080/P is determined by the following critical parameters: memory size (8Kbit), memory organization (1K x 8), SPI interface, 8-DIP package, and through-hole mounting. All substitute parts maintain these core specifications.

The substitute parts are grouped into two categories based on supply voltage range:

Category 1 - Extended Supply Voltage Range (1.8V ~ 5.5V):

• 25AA080A-I/P
• 25AA080B-I/P

Category 2 - Standard Supply Voltage Range (2.5V ~ 5.5V):

• 25LC080B-I/P
• 25LC080D-I/P

All substitute parts operate at 10 MHz clock frequency (higher than the main part) and support extended operating temperature range of -40°C to 85°C. Write cycle time remains 5ms across all parts.

Parameter Comparison

Engineering Selection Recommendations

25AA080A-I/P and 25AA080B-I/P are suitable substitutes when designs require operation at supply voltages below 2.5V (down to 1.8V minimum). Both parts are Active status and RoHS3 compliant with verified programmability. These parts provide 5x higher clock frequency (10 MHz) and extended temperature range (-40°C to 85°C).

25LC080B-I/P is a direct substitute maintaining the 2.5V minimum supply voltage requirement while providing enhanced clock frequency and extended temperature range. This part is Active status and RoHS3 compliant with verified programmability.

25LC080D-I/P maintains identical electrical specifications to 25LC080B-I/P with 2.5V minimum supply voltage and 10 MHz operation. This part is Active status and RoHS3 compliant. Note that programmability verification status is not available for this variant.

All substitute parts are pin-compatible in 8-DIP through-hole packages and maintain identical memory capacity and SPI interface specifications.

Frequently Asked Questions (FAQ)

Q: Can 25AA080A-I/P or 25AA080B-I/P be used in place of 25LC080/P?

A: Yes. Both parts are electrically compatible substitutes. The 25AA080 series supports lower minimum supply voltage (1.8V vs 2.5V) and extended temperature range (-40°C to 85°C vs 0°C to 70°C). Clock frequency is 10 MHz compared to 2 MHz in the original part. All parts share identical 8Kbit capacity, 1K x 8 organization, SPI interface, and 8-DIP package.

Q: What is the difference between 25LC080B-I/P and 25LC080D-I/P?

A: Both parts are electrically identical with 2.5V to 5.5V supply voltage range, 10 MHz clock frequency, and -40°C to 85°C operating temperature. The primary difference is that 25LC080B-I/P has verified programmability status while 25LC080D-I/P does not have this verification documented.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (25AA080A-I/P, 25AA080B-I/P, 25LC080B-I/P, and 25LC080D-I/P) are RoHS3 compliant and REACH unaffected.

Q: Can I use a 10 MHz part in a circuit designed for 2 MHz operation?

A: Yes. All substitute parts operate at 10 MHz, which is backward compatible with 2 MHz system designs. The higher clock frequency does not prevent operation in lower-speed applications.

Q: What is the package compatibility between all these parts?

A: All parts use identical 8-DIP (0.300", 7.62mm) through-hole packaging. Pin configuration and mechanical dimensions are identical, ensuring direct board-level substitution without layout modifications.