Equivalent & Substitute Parts for 25AA080T/SN

Part Overview

The 25AA080T/SN is an 8Kbit EEPROM memory IC manufactured by Microchip Technology, featuring SPI interface operation at 1 MHz with 8-SOIC surface mount packaging. This device is classified as Active product status and is RoHS3 compliant. Substitute parts are necessary when addressing specific application requirements including extended operating temperature ranges, higher clock frequencies, automotive-grade qualifications, or alternative packaging formats while maintaining core memory functionality and electrical compatibility.

Key Parameters

Parameter	Value
Memory Size	8Kbit
Memory Organization	1K x 8
Memory Interface	SPI
Clock Frequency	1 MHz
Write Cycle Time	5ms
Voltage Supply Range	1.8V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 25AA080T/SN is determined by the following critical parameters:

Core Compatibility Requirements:

Memory Size: 8Kbit (mandatory)
Memory Organization: 1K x 8 (mandatory)
Memory Interface: SPI (mandatory)
Package / Case: 8-SOIC form factor (mandatory for direct mechanical compatibility)
Voltage Supply Range: Must encompass or be compatible with 1.8V ~ 5.5V
Write Cycle Time: 5ms or faster acceptable

Allowable Variations:

Clock Frequency: May exceed 1 MHz (higher frequencies are backward compatible)
Operating Temperature: May extend beyond 0°C ~ 70°C range
Packaging Format: Alternative packaging acceptable if electrical parameters match
Manufacturer: Different manufacturers acceptable if specifications align
Automotive Grade / AEC-Q100: Optional enhancement, not required for substitution

Substitute parts are grouped by their adherence to these parameters. Parts meeting all core requirements are direct substitutes. Parts with extended temperature ranges or higher clock frequencies provide enhanced capability while maintaining full backward compatibility.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Write Cycle Time	Voltage Supply	Operating Temperature	Package	Packaging Format
25AA080T/SN	Microchip Technology	8Kbit	1 MHz	5ms	1.8V ~ 5.5V	0°C ~ 70°C	8-SOIC	Tape & Reel
25AA080/SN	Microchip Technology	8Kbit	1 MHz	5ms	1.8V ~ 5.5V	0°C ~ 70°C	8-SOIC	Tube
25AA080AT-I/SN	Microchip Technology	8Kbit	10 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Tape & Reel
AT25080B-SSHL-T	Microchip Technology	8Kbit	20 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Cut Tape & Digi-Reel
BR25H080F-2CE2	Rohm Semiconductor	8Kbit	10 MHz	4ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOP	Tape & Reel
CAT25080VI-GT3	onsemi	8Kbit	Not Specified	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Cut Tape & Digi-Reel
M95080-DRMN3TP/K	STMicroelectronics	8Kbit	20 MHz	4ms	1.8V ~ 5.5V	-40°C ~ 125°C	8-SOIC	Cut Tape & Digi-Reel
M95080-DRMN8TP/K	STMicroelectronics	8Kbit	20 MHz	4ms	1.8V ~ 5.5V	-40°C ~ 105°C	8-SOIC	Tape & Reel
M95080-RMN6TP	STMicroelectronics	8Kbit	20 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Cut Tape & Digi-Reel
M95080-WMN6P	STMicroelectronics	8Kbit	20 MHz	5ms	2.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Tube
M95080-WMN6TP	STMicroelectronics	8Kbit	20 MHz	5ms	2.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Cut Tape & Digi-Reel

Engineering Selection Recommendations

Direct Substitutes (Identical Specifications): The 25AA080/SN serves as a direct substitute with identical electrical and functional specifications; the only difference is packaging format (Tube versus Tape & Reel).

Enhanced Performance Substitutes (Higher Clock Frequency, Extended Temperature): The 25AA080AT-I/SN, AT25080B-SSHL-T, M95080-DRMN3TP/K, M95080-DRMN8TP/K, M95080-RMN6TP, and M95080-WMN6TP provide higher clock frequencies (10 MHz or 20 MHz) and extended operating temperature ranges (-40°C to 85°C or higher). These parts are fully backward compatible with the 25AA080T/SN and introduce no functional incompatibility.

Automotive-Grade Alternatives: The BR25H080F-2CE2, M95080-DRMN3TP/K, and M95080-DRMN8TP/K carry AEC-Q100 automotive qualification. These parts are suitable for applications requiring automotive-grade components while maintaining 8Kbit SPI EEPROM functionality.

Compliance Status: All listed substitute parts maintain RoHS3 compliance and REACH unaffected status consistent with the main part. Product status for all parts is Active.

Frequently Asked Questions (FAQ)

Q: Can I substitute 25AA080/SN for 25AA080T/SN? A: Yes. Both parts are electrically and functionally identical. The difference is packaging format: 25AA080/SN is supplied in Tube format while 25AA080T/SN is supplied in Tape & Reel format. Selection depends on your procurement and assembly requirements.

Q: What is the difference between 1 MHz and 20 MHz clock frequency variants? A: Clock frequency determines the maximum SPI communication speed. Higher frequency parts (10 MHz, 20 MHz) support faster data transfer rates and are backward compatible with lower frequency applications. The 25AA080T/SN operates at 1 MHz; higher frequency substitutes will function correctly in 1 MHz applications.

Q: Are STMicroelectronics M95080 parts direct replacements? A: M95080 series parts are functionally compatible as 8Kbit SPI EEPROMs in 8-SOIC packaging. Most variants operate at 20 MHz with extended temperature ranges. Verify voltage supply range compatibility: some M95080 variants specify 2.5V minimum while 25AA080T/SN supports 1.8V minimum.

Q: What does AEC-Q100 qualification mean? A: AEC-Q100 is an automotive industry qualification standard. Parts carrying this designation (BR25H080F-2CE2, M95080-DRMN3TP/K, M95080-DRMN8TP/K) are qualified for automotive applications. These parts are suitable for general industrial use as well.

Q: Can I use CAT25080VI-GT3 as a substitute? A: Yes. The CAT25080VI-GT3 is an 8Kbit SPI EEPROM in 8-SOIC packaging with voltage range 1.8V ~ 5.5V and operating temperature -40°C ~ 85°C. It meets all core compatibility requirements. Clock frequency is not specified in available data; contact the manufacturer for confirmation if maximum SPI speed is a critical parameter.

Q: Does package width variation matter? A: The 25AA080T/SN uses 8-SOIC with 0.154" (3.90mm) width. The BR25H080F-2CE2 uses 8-SOP with 0.173" (4.40mm) width. This dimensional difference may affect PCB layout and assembly tooling. Verify mechanical compatibility with your board design before substitution.

Q: Are all substitute parts in stock? A: Inventory levels vary. Refer to current inventory data for each part number. Multiple substitutes with similar specifications provide supply chain flexibility.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message