AT25010N-10SC-2.7 EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The AT25010N-10SC-2.7 is a 1Kbit SPI EEPROM memory IC manufactured by Microchip Technology, packaged in 8-SOIC with a 3 MHz clock frequency and 2.7V to 5.5V supply voltage range. This part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support. The device features 128 x 8 memory organization with 5ms write cycle time and operates across the industrial temperature range of 0°C to 70°C.

Substiute Parts

AT25010N-10SC-2.7

Microchip TechnologyIn Stock: 6445AT25010N-10SC-2.7 Datasheet

Current PartRFQ

25AA010A-I/SN

Microchip TechnologyIn Stock: 336225AA010A-I/SN Datasheet

MFR RecommendedRFQ

BR25H010F-2CE2

Rohm SemiconductorIn Stock: 772BR25H010F-2CE2 Datasheet

MFR RecommendedRFQ

BR25L010FJ-WE2

Rohm SemiconductorIn Stock: 1116BR25L010FJ-WE2 Datasheet

MFR RecommendedRFQ

M95010-RMN6TP

STMicroelectronicsIn Stock: 3453M95010-RMN6TP Datasheet

MFR RecommendedRFQ

M95010-WMN6P

STMicroelectronicsIn Stock: 2147M95010-WMN6P Datasheet

MFR RecommendedRFQ

M95010-WMN6TP

STMicroelectronicsIn Stock: 40359M95010-WMN6TP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the AT25010N-10SC-2.7 is determined by the following critical parameters:

• Memory Capacity & Organization: All substitutes must provide 1Kbit capacity with 128 x 8 organization
• Interface Protocol: SPI interface is mandatory for compatibility
• Package Compatibility: 8-SOIC package with 0.154" (3.90mm) width maintains PCB layout compatibility
• Voltage Supply Range: Substitute must support the minimum 2.7V supply voltage or lower
• Write Cycle Time: 5ms write cycle time is acceptable; faster cycles are compatible
• Clock Frequency: Substitutes with equal or higher clock frequency are functionally compatible
• Temperature Range: Substitutes must support at least the 0°C to 70°C operating range

The following substitute parts meet these criteria and are grouped by manufacturer and product status.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Status, Full Compatibility)

The M95010 series from STMicroelectronics provides the most direct substitution path. M95010-WMN6TP offers the highest inventory availability (40,291 pcs) with active product status, ROHS3 compliance, and verified programmability. The 20 MHz clock frequency exceeds the original 3 MHz specification, providing performance headroom. Voltage supply range of 2.5V to 5.5V covers the original 2.7V minimum requirement. Operating temperature range of -40°C to 85°C extends beyond the original 0°C to 70°C specification.

M95010-RMN6TP and M95010-WMN6P are functionally equivalent alternatives with identical electrical specifications but different packaging formats (Tape & Reel and Tube respectively).

Secondary Substitutes (Active Status, Minor Considerations)

The 25AA010A-I/SN from Microchip Technology maintains manufacturer continuity with active product status and ROHS3 compliance. The 10 MHz clock frequency and 1.8V minimum supply voltage provide enhanced performance and lower voltage operation. This part is suitable for applications requiring Microchip ecosystem consistency.

Alternative Substitute (Not For New Designs)

BR25L010FJ-WE2 from Rohm Semiconductor meets all electrical requirements with verified programmability and ROHS3 compliance. However, its "Not For New Designs" status restricts use to legacy system support only. The 8-SOP-J package maintains 0.154" width compatibility with the original 8-SOIC footprint.

Package Consideration

BR25H010F-2CE2 features a wider 8-SOIC package (0.173", 4.40mm width) compared to the original 0.154" width. This dimensional difference may require PCB layout verification before implementation.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a higher clock frequency than the original AT25010N-10SC-2.7?

A: Yes. The original part operates at 3 MHz. Substitute parts with 5 MHz, 10 MHz, or 20 MHz clock frequencies are functionally compatible and provide performance headroom. The SPI interface protocol remains identical across all substitutes.

Q: What is the significance of the voltage supply range difference between 2.7V and 1.8V minimum?

A: The AT25010N-10SC-2.7 requires a minimum of 2.7V. Substitutes with 1.8V minimum supply voltage are fully compatible and provide additional flexibility for low-voltage applications. Substitutes with 2.5V minimum supply voltage also meet the original requirement.

Q: Are all substitute parts pin-compatible with the original AT25010N-10SC-2.7?

A: All substitutes use the 8-SOIC package with identical pin configuration and SPI interface. However, BR25H010F-2CE2 has a slightly wider package body (0.173" vs 0.154"). Verify PCB layout clearances before substitution.

Q: Why is the BR25L010FJ-WE2 marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new applications. It remains suitable for legacy system maintenance and repair.

Q: What is the difference between M95010-WMN6TP, M95010-WMN6P, and M95010-RMN6TP?

A: These parts are electrically identical with identical electrical specifications. The differences are packaging format: M95010-WMN6TP uses Cut Tape & Digi-Reel, M95010-WMN6P uses Tube, and M95010-RMN6TP uses Tape & Reel. Select based on procurement and assembly requirements.

Q: Is RoHS3 compliance required for my application?

A: All active substitute parts are ROHS3 compliant. The original AT25010N-10SC-2.7 is RoHS non-compliant. If your application or region requires RoHS compliance, select from the active substitute parts listed.

Q: Can I substitute the AT25010N-10SC-2.7 in an existing design without firmware changes?

A: Yes. All substitute parts maintain identical SPI protocol, memory organization (128 x 8), and write cycle timing (5ms or faster). No firmware modifications are required for electrical or protocol compatibility.