AT25080-10PI-2.7 Equivalent & Substitute Parts

Part Overview

The AT25080-10PI-2.7 is an 8Kbit EEPROM memory IC with SPI interface operating at 3 MHz, manufactured by Microchip Technology in 8-DIP through-hole packaging. This part is classified as obsolete and is no longer in active production. Due to its obsolete status, equivalent substitute parts from the same manufacturer are necessary for new designs and ongoing production requirements. Substitute parts maintain the core memory specifications while offering improved product status, RoHS compliance, and extended availability.

Substiute Parts

AT25080-10PI-2.7

Microchip TechnologyIn Stock: 666AT25080-10PI-2.7 Datasheet

Current PartRFQ

25AA080A-I/P

Microchip TechnologyIn Stock: 148525AA080A-I/P Datasheet

DirectRFQ

25C080-I/P

Microchip TechnologyIn Stock: 556025C080-I/P Datasheet

MFR RecommendedRFQ

25C080/P

Microchip TechnologyIn Stock: 114225C080/P Datasheet

MFR RecommendedRFQ

25LC080C-E/P

Microchip TechnologyIn Stock: 84125LC080C-E/P Datasheet

MFR RecommendedRFQ

25LC080C-I/P

Microchip TechnologyIn Stock: 71825LC080C-I/P Datasheet

MFR RecommendedRFQ

25LC080D-E/P

Microchip TechnologyIn Stock: 112825LC080D-E/P Datasheet

MFR RecommendedRFQ

25LC080D-I/P

Microchip TechnologyIn Stock: 165925LC080D-I/P Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the AT25080-10PI-2.7 is determined by the following critical parameters:

Core Compatibility Requirements:

• Memory Size: 8Kbit (fixed across all substitutes)
• Memory Organization: 1K x 8 (fixed across all substitutes)
• Memory Interface: SPI (fixed across all substitutes)
• Package Type: 8-DIP (0.300", 7.62mm) (fixed across all substitutes)
• Mounting Type: Through Hole (fixed across all substitutes)
• Write Cycle Time: 5ms (fixed across all substitutes)

Variable Parameters Affecting Substitution:

• Clock Frequency: 3 MHz or 10 MHz (higher frequency parts are backward compatible)
• Voltage Supply Range: Minimum voltage requirement must be ≤2.7V; maximum must be ≥5.5V
• Operating Temperature Range: Must encompass -40°C to 85°C minimum
• Product Status: Active parts preferred over obsolete
• RoHS Compliance: ROHS3 compliant parts are preferred for new designs

Substitute parts are grouped into two categories: direct replacements operating at 3 MHz with matching specifications, and higher-performance alternatives operating at 10 MHz that maintain backward compatibility through superior electrical characteristics.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (3 MHz Operation):

The 25C080-I/P is the primary direct substitute, offering identical 3 MHz clock frequency and matching temperature range (-40°C to 85°C). However, its voltage supply range (4.5V ~ 5.5V) is narrower than the original part. This part is active, RoHS3 compliant, and available in high quantity (5460 Pcs).

The 25C080/P provides the same 3 MHz frequency and RoHS3 compliance but operates over a reduced temperature range (0°C ~ 70°C) and has a narrower voltage supply window (4.5V ~ 5.5V). This part is suitable only for applications not requiring the full -40°C to 85°C operating range.

For Enhanced Performance (10 MHz Operation):

The 25AA080A-I/P operates at 10 MHz with the widest voltage supply range (1.8V ~ 5.5V) and full temperature coverage (-40°C ~ 85°C). This part provides superior performance headroom and is RoHS3 compliant with active product status.

The 25LC080D-I/P and 25LC080C-I/P both operate at 10 MHz with voltage range 2.5V ~ 5.5V and temperature range -40°C ~ 85°C. Both are active, RoHS3 compliant, and provide high availability.

The 25LC080D-E/P and 25LC080C-E/P extend the operating temperature to -40°C ~ 125°C, suitable for high-temperature applications, while maintaining 10 MHz operation and RoHS3 compliance.

Compliance and Availability:

All substitute parts are RoHS3 compliant, addressing the non-compliance status of the original AT25080-10PI-2.7. All substitutes carry active product status, ensuring long-term availability and supply chain stability. The 25C080-I/P offers the highest inventory level (5460 Pcs) for immediate procurement needs.

Frequently Asked Questions (FAQ)

Q: Can I use a 10 MHz part as a direct replacement for the 3 MHz AT25080-10PI-2.7?

A: Yes. Parts operating at 10 MHz (25AA080A-I/P, 25LC080C-I/P, 25LC080D-I/P, 25LC080C-E/P, 25LC080D-E/P) are backward compatible with 3 MHz applications. The higher clock frequency provides performance headroom without affecting functionality in circuits designed for 3 MHz operation.

Q: What is the key difference between 25C080-I/P and 25AA080A-I/P?

A: The 25C080-I/P operates at 3 MHz with voltage range 4.5V ~ 5.5V, providing direct frequency matching to the original part. The 25AA080A-I/P operates at 10 MHz with a wider voltage range (1.8V ~ 5.5V), offering enhanced performance and lower voltage operation capability.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are RoHS3 compliant, unlike the original AT25080-10PI-2.7 which is RoHS non-compliant. This compliance is mandatory for new designs and many production environments.

Q: Which substitute part has the widest operating voltage range?

A: The 25AA080A-I/P supports 1.8V ~ 5.5V, the widest range among all substitutes. This enables operation in low-voltage applications while maintaining full 5.5V compatibility.

Q: Can I use 25C080/P in place of 25C080-I/P?

A: Both parts operate at 3 MHz with identical voltage range (4.5V ~ 5.5V) and are RoHS3 compliant. The primary difference is operating temperature: 25C080/P operates 0°C ~ 70°C while 25C080-I/P operates -40°C ~ 85°C. Use 25C080/P only if your application does not require the extended low-temperature range.

Q: What is the difference between 25LC080D and 25LC080C variants?

A: Both operate at 10 MHz with voltage range 2.5V ~ 5.5V and are RoHS3 compliant. The primary distinction is in temperature range: 25LC080C-E/P and 25LC080D-E/P extend to -40°C ~ 125°C, while 25LC080C-I/P and 25LC080D-I/P operate -40°C ~ 85°C. Select the E/P variant for high-temperature applications.

Q: Is the 8-DIP package identical across all parts?

A: Yes. All substitute parts use the same 8-DIP (0.300", 7.62mm) through-hole package with identical pinout and mechanical dimensions, ensuring direct PCB compatibility without layout modifications.