Equivalent & Substitute Parts for 25AA080T-I/SN

Part Overview

The 25AA080T-I/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 tape and reel packaging is unavailable, when higher clock frequency operation is required, when automotive-grade qualification is needed, or when alternative manufacturer sourcing is preferred for supply chain continuity.

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	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution logic for the 25AA080T-I/SN is based on the following allowed parameters: memory size (8Kbit), memory organization (1K x 8), SPI interface, 8-SOIC package footprint, surface mount mounting type, and RoHS3 compliance. Clock frequency may be equal to or greater than 1 MHz. Voltage supply range must encompass or be compatible with 1.8V ~ 5.5V. Operating temperature range must support -40°C minimum and 85°C maximum, or extend beyond these limits. Write cycle time must be equal to or less than 5ms. Packaging format (tape and reel, cut tape, tube) does not affect electrical substitution but affects procurement and handling. Automotive-grade qualification and AEC-Q100 certification are optional enhancements that do not prevent substitution for non-automotive applications.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Write Cycle Time	Voltage Supply	Operating Temperature	Package	Packaging Format
25AA080T-I/SN	Microchip Technology	8Kbit	1 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Tape & Reel
25AA080-I/SN	Microchip Technology	8Kbit	1 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°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-SOIC	Tape & Reel
BR25H080F-2LBH2	Rohm Semiconductor	8Kbit	10 MHz	4ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	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

Engineering Selection Recommendations

For direct electrical and mechanical substitution with identical performance characteristics, 25AA080-I/SN (Tube packaging) is the primary alternative to 25AA080T-I/SN. Both devices are Active status, ROHS3 compliant, and feature identical electrical specifications.

When higher clock frequency operation is required, 25AA080AT-I/SN (10 MHz) and AT25080B-SSHL-T (20 MHz) are suitable Microchip Technology alternatives maintaining the same voltage and temperature range. Both are Active status and ROHS3 compliant.

For automotive applications requiring AEC-Q100 qualification, M95080-DRMN3TP/K and M95080-DRMN8TP/K (STMicroelectronics) provide 20 MHz operation with extended temperature range to 125°C or 105°C respectively. BR25H080F-2CE2 and BR25H080F-2LBH2 (Rohm Semiconductor) offer 10 MHz operation with AEC-Q100 qualification and extended temperature range to 125°C.

CAT25080VI-GT3 (onsemi) provides equivalent 8Kbit SPI EEPROM functionality with matching voltage and temperature specifications, though clock frequency is not specified in available documentation.

M95080-RMN6TP and M95080-WMN6P (STMicroelectronics) offer 20 MHz operation with standard temperature range matching the original device, with M95080-WMN6P featuring 2.5V minimum voltage supply.

Frequently Asked Questions (FAQ)

Q: Can I substitute 25AA080T-I/SN with a part having higher clock frequency?

A: Yes. Higher clock frequency (10 MHz or 20 MHz) is a compatible substitution parameter. The device will operate correctly in applications designed for 1 MHz operation. Examples include 25AA080AT-I/SN (10 MHz), AT25080B-SSHL-T (20 MHz), M95080-DRMN3TP/K (20 MHz), and M95080-RMN6TP (20 MHz).

Q: What is the difference between tape and reel, cut tape, and tube packaging?

A: Packaging format affects procurement, handling, and automated assembly processes but does not affect electrical performance. Tape and reel (TR) is standard for high-volume automated assembly. Cut tape (CT) and Digi-Reel provide flexibility for lower volumes. Tube packaging is used for manual assembly or lower-volume applications. All three formats contain electrically identical components.

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

A: Yes. Automotive-grade parts with AEC-Q100 qualification (BR25H080F-2CE2, BR25H080F-2LBH2, M95080-DRMN3TP/K, M95080-DRMN8TP/K) meet or exceed commercial-grade specifications and are suitable for non-automotive use. These parts offer extended temperature range and additional reliability testing.

Q: What voltage supply range must I verify for substitution?

A: The original 25AA080T-I/SN operates at 1.8V ~ 5.5V. Substitute parts must support your application's supply voltage. Most substitutes support this range. M95080-WMN6P and BR25H080F series have minimum voltage of 2.5V, which is compatible with 5V systems but not with 1.8V systems.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, matching the original device's environmental compliance status.

Q: Can I substitute based on write cycle time differences?

A: Write cycle time must be equal to or less than the original specification (5ms). Substitute parts with 4ms write cycle time (BR25H080F series, M95080-DRMN3TP/K, M95080-DRMN8TP/K) are compatible and provide faster write performance. Parts with 5ms write cycle time match the original specification exactly.

Q: What is the significance of operating temperature range differences?

A: The original device operates -40°C ~ 85°C. Substitutes with extended range (-40°C ~ 125°C or -40°C ~ 105°C) are compatible for standard applications and provide additional margin for high-temperature environments. Substitutes must support at least the minimum (-40°C) and maximum (85°C) of your application requirements.

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