Equivalent & Substitute Parts for 25LC080AT-E/SN

Part Overview

The 25LC080AT-E/SN is an 8Kbit EEPROM memory IC manufactured by Microchip Technology, featuring SPI interface operation at 10 MHz with 8-SOIC surface mount packaging. This device operates across a supply voltage range of 2.5V to 5.5V and supports operating temperatures from -40°C to 125°C. The part is currently in active production status and is ROHS3 compliant.

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications allow for compatible alternatives with enhanced performance characteristics or extended temperature ratings.

Key Parameters

Parameter	Value
Memory Size	8Kbit
Memory Organization	1K x 8
Memory Interface	SPI
Clock Frequency	10 MHz
Write Cycle Time	5ms
Voltage Supply Range	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 125°C
Package Type	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 25LC080AT-E/SN is determined by the following critical parameters: 8Kbit memory capacity, 1K x 8 organization, SPI interface protocol, and 8-SOIC surface mount package with 0.154" width (3.90mm). Clock frequency must be equal to or greater than 10 MHz to maintain timing compatibility. Supply voltage range must encompass or exceed 2.5V to 5.5V. Operating temperature range must support the full -40°C to 125°C specification or be suitable for the intended application subset.

Substitute parts are grouped into three categories:

Category 1: Direct Microchip Technology Equivalents — Parts sharing identical base product number (25LC080) with variations in packaging format (Tube vs. Tape & Reel) and temperature grade.

Category 2: Cross-Manufacturer Automotive-Grade Alternatives — Rohm Semiconductor parts (BR25H080 series) offering AEC-Q100 qualification with equivalent or superior performance specifications.

Category 3: High-Performance Cross-Manufacturer Options — STMicroelectronics M95080 series and onsemi CAT25080 series providing 20 MHz clock frequency operation with extended voltage and temperature compatibility.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency (MHz)	Voltage Supply (V)	Operating Temp (°C)	Write Cycle (ms)	Package	Packaging Format	Product Status
25LC080AT-E/SN	Microchip Technology	8Kbit	10	2.5 ~ 5.5	-40 ~ 125	5	8-SOIC	Tape & Reel	Active
25LC080A-E/SN	Microchip Technology	8Kbit	10	2.5 ~ 5.5	-40 ~ 125	5	8-SOIC	Tube	Active
25LC080DT-E/SN	Microchip Technology	8Kbit	10	2.5 ~ 5.5	-40 ~ 125	5	8-SOIC	Cut Tape & Digi-Reel	Active
BR25H080F-2CE2	Rohm Semiconductor	8Kbit	10	2.5 ~ 5.5	-40 ~ 125	4	8-SOP	Tape & Reel	Active
BR25H080FJ-2CE2	Rohm Semiconductor	8Kbit	10	2.5 ~ 5.5	-40 ~ 125	4	8-SOIC	Tape & Reel	Active
BR25L080F-WE2	Rohm Semiconductor	8Kbit	5	1.8 ~ 5.5	-40 ~ 85	5	8-SOP	Tape & Reel	Not For New Designs
CAT25080VI-GT3	onsemi	8Kbit	Not Specified	1.8 ~ 5.5	-40 ~ 85	5	8-SOIC	Cut Tape & Digi-Reel	Active
M95080-DRMN3TP/K	STMicroelectronics	8Kbit	20	1.8 ~ 5.5	-40 ~ 125	4	8-SOIC	Cut Tape & Digi-Reel	Active
M95080-RMN6TP	STMicroelectronics	8Kbit	20	1.8 ~ 5.5	-40 ~ 85	5	8-SOIC	Cut Tape & Digi-Reel	Active
M95080-WMN6P	STMicroelectronics	8Kbit	20	2.5 ~ 5.5	-40 ~ 85	5	8-SOIC	Tube	Active
M95080-WMN6TP	STMicroelectronics	8Kbit	20	2.5 ~ 5.5	-40 ~ 85	5	8-SOIC	Cut Tape & Digi-Reel	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): The 25LC080A-E/SN and 25LC080DT-E/SN are functionally equivalent to the 25LC080AT-E/SN, differing only in packaging format. Selection between these three Microchip parts depends on manufacturing process requirements: Tape & Reel for high-volume automated assembly, Cut Tape & Digi-Reel for mixed-volume operations, or Tube for lower-volume manual placement.

For Automotive Applications: The BR25H080FJ-2CE2 from Rohm Semiconductor provides AEC-Q100 qualification with identical electrical specifications and 8-SOIC packaging. The BR25H080F-2CE2 offers the same automotive qualification but uses 8-SOP packaging (0.173" width), requiring PCB layout verification for pin compatibility.

For Enhanced Performance: The M95080-DRMN3TP/K from STMicroelectronics operates at 20 MHz clock frequency with AEC-Q100 qualification and maintains the full -40°C to 125°C temperature range. This part is suitable when higher SPI clock speeds are acceptable and automotive-grade reliability is required.

For Extended Voltage Range: The M95080-DRMN3TP/K and M95080-RMN6TP support 1.8V minimum supply voltage, enabling operation in low-power applications. The CAT25080VI-GT3 from onsemi similarly supports 1.8V to 5.5V operation.

Parts Not Recommended for New Designs: The BR25L080F-WE2 is marked "Not For New Designs" and should be avoided in new product development.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 25LC080AT-E/SN with the 25LC080A-E/SN?

A: Yes. Both parts are Microchip Technology 25LC080 base products with identical electrical specifications. The difference is packaging format: 25LC080AT-E/SN uses Tape & Reel while 25LC080A-E/SN uses Tube. Verify your assembly equipment compatibility with the selected packaging format.

Q: What is the difference between 8-SOIC and 8-SOP packages?

A: Both are 8-pin surface mount packages with similar pinouts. The 8-SOIC (0.154" width, 3.90mm) is narrower than 8-SOP (0.173" width, 4.40mm). PCB footprints are not interchangeable without layout modification. Verify package dimensions against your PCB design before substitution.

Q: Can I use the M95080-WMN6TP instead of the 25LC080AT-E/SN?

A: Yes, with design considerations. The M95080-WMN6TP operates at 20 MHz (double the 10 MHz specification) and supports 2.5V to 5.5V supply voltage. The faster clock speed is backward compatible with designs expecting 10 MHz operation. However, the operating temperature range is -40°C to 85°C, which is narrower than the 25LC080AT-E/SN (-40°C to 125°C). Verify your application's maximum operating temperature requirement.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed in this reference are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: Which substitute offers the best performance upgrade?

A: The M95080-DRMN3TP/K provides the most comprehensive performance enhancement: 20 MHz clock frequency (2x faster), 4ms write cycle time (versus 5ms), extended voltage range (1.8V minimum), and AEC-Q100 automotive qualification while maintaining the full -40°C to 125°C operating temperature range.

Q: Can I use automotive-grade parts in non-automotive applications?

A: Yes. Automotive-grade parts (BR25H080 series and M95080-DRMN3TP/K with AEC-Q100 qualification) exceed standard reliability requirements and are suitable for any application. They provide additional margin for demanding environments.

Q: What packaging format should I select for my application?

A: Tape & Reel is standard for high-volume automated assembly. Cut Tape & Digi-Reel accommodates mixed-volume production with flexible reel handling. Tube packaging is used for lower-volume manual placement or when reel equipment is unavailable. Verify your assembly process capabilities before selecting packaging format.

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