Equivalent & Substitute Parts for 25AA080DT-I/SN

Part Overview

The 25AA080DT-I/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 non-volatile memory device operates across a supply voltage range of 1.8V to 5.5V and maintains functionality from -40°C to 85°C. The part is ROHS3 compliant and currently in active production status with 974 units in stock.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, packaging format changes, performance upgrades, or extended temperature/automotive qualification needs while maintaining core functional compatibility.

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	1.8V ~ 5.5V
Operating Temperature	-40°C ~ 85°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 25AA080DT-I/SN is determined by the following critical parameters:

Primary Compatibility Criteria:

Memory capacity: 8Kbit (1K x 8 organization)
Interface protocol: SPI
Package footprint: 8-SOIC with 0.154" width (3.90mm)
Supply voltage compatibility: minimum 1.8V, maximum 5.5V
Operating temperature range: minimum -40°C, maximum 85°C or higher

Secondary Considerations:

Clock frequency: 10 MHz or higher
Write cycle time: 5ms or faster
Packaging format: Tape & Reel (TR), Tube, or Cut Tape (CT) & Digi-Reel®
Compliance certifications: ROHS3, REACH Unaffected

Substitute parts are grouped into three categories: direct Microchip equivalents with packaging variations, manufacturer-recommended alternatives with enhanced specifications, and cross-manufacturer compatible devices meeting all electrical and mechanical requirements.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Write Cycle Time	Voltage Supply	Operating Temp	Package	Packaging Format
25AA080DT-I/SN	Microchip Technology	8Kbit	10 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Tape & Reel (TR)
25AA080D-I/SN	Microchip Technology	8Kbit	10 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 (TR)
AT25080B-SSHL-B	Microchip Technology	8Kbit	20 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Tube
AT25080B-SSHL-T	Microchip Technology	8Kbit	20 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Cut Tape (CT) & Digi-Reel®
BR25H080F-2CE2	Rohm Semiconductor	8Kbit	10 MHz	4ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOP	Tape & Reel (TR)
BR25H080F-2LBH2	Rohm Semiconductor	8Kbit	10 MHz	4ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOP	Tape & Reel (TR)
CAT25080VI-GT3	onsemi	8Kbit	Not Specified	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Cut Tape (CT) & Digi-Reel®
M95080-DRMN3TP/K	STMicroelectronics	8Kbit	20 MHz	4ms	1.8V ~ 5.5V	-40°C ~ 125°C	8-SOIC	Cut Tape (CT) & Digi-Reel®
M95080-DRMN8TP/K	STMicroelectronics	8Kbit	20 MHz	4ms	1.8V ~ 5.5V	-40°C ~ 105°C	8-SOIC	Tape & Reel (TR)
M95080-RMN6TP	STMicroelectronics	8Kbit	20 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

Direct Microchip Equivalents (25AA080 Series)

The 25AA080D-I/SN, 25AA080AT-I/SN, AT25080B-SSHL-B, and AT25080B-SSHL-T represent direct functional equivalents within the Microchip 25AA080 family. These parts maintain identical memory capacity, SPI interface, and voltage specifications. Selection between these variants depends on packaging format requirements: Tube format for 25AA080D-I/SN, Tape & Reel for 25AA080AT-I/SN and 25AA080DT-I/SN, and Cut Tape & Digi-Reel® for AT25080B-SSHL-T. The AT25080B variants offer doubled clock frequency (20 MHz) while maintaining backward compatibility with 10 MHz operation.

Cross-Manufacturer Alternatives

STMicroelectronics M95080 series devices (M95080-DRMN3TP/K, M95080-DRMN8TP/K, M95080-RMN6TP) provide full electrical compatibility with enhanced specifications. These parts feature 20 MHz clock frequency, faster write cycle times (4ms), and extended operating temperature ranges (-40°C to 125°C or -40°C to 105°C). M95080-DRMN3TP/K and M95080-DRMN8TP/K carry AEC-Q100 automotive qualification, suitable for applications requiring automotive-grade components.

Rohm Semiconductor BR25H080F series (BR25H080F-2CE2, BR25H080F-2LBH2) operate at 10 MHz with 4ms write cycle time and -40°C to 125°C temperature range. These devices feature 8-SOP packaging (0.173", 4.40mm width) and AEC-Q100 qualification. Package footprint differences require PCB layout verification before substitution.

onsemi CAT25080VI-GT3 maintains identical voltage supply range and operating temperature specifications with 8-SOIC packaging matching the primary device footprint.

Compliance and Status Considerations

All listed substitute parts maintain ROHS3 compliance and REACH Unaffected status, consistent with the primary 25AA080DT-I/SN device. Parts with verified DiGi-Electronics programmability status (25AA080AT-I/SN, AT25080B-SSHL-B, AT25080B-SSHL-T) provide additional supply chain assurance for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute 25AA080DT-I/SN with 25AA080D-I/SN?

A: Yes. Both devices share identical electrical specifications: 8Kbit SPI EEPROM, 10 MHz operation, 1.8V to 5.5V supply range, and -40°C to 85°C operating temperature. The primary difference is packaging format: 25AA080DT-I/SN uses Tape & Reel while 25AA080D-I/SN uses Tube. Verify your assembly equipment compatibility with the selected packaging format.

Q: What is the difference between 25AA080AT-I/SN and AT25080B-SSHL-T?

A: Both are Microchip EEPROM devices with 8Kbit capacity and identical voltage/temperature specifications. AT25080B-SSHL-T operates at 20 MHz clock frequency compared to 25AA080AT-I/SN at 10 MHz. The higher clock speed provides faster data transfer rates while maintaining full backward compatibility. AT25080B-SSHL-T uses Cut Tape & Digi-Reel® packaging format.

Q: Are STMicroelectronics M95080 parts compatible with Microchip 25AA080?

A: Yes, M95080 series devices are electrically compatible. All M95080 variants maintain 8Kbit capacity, SPI interface, and overlapping voltage/temperature ranges. M95080 parts offer enhanced specifications: 20 MHz clock frequency, faster write cycles (4ms), and extended temperature ranges. Package footprints are identical (8-SOIC, 0.154" width). Verify firmware compatibility with the SPI protocol implementation.

Q: Can I use BR25H080F-2CE2 as a direct replacement?

A: BR25H080F-2CE2 provides functional compatibility with electrical parameter overlap. However, the package footprint differs: 8-SOP with 0.173" width versus 8-SOIC with 0.154" width on the primary device. PCB layout and footprint verification is required before substitution. The Rohm device offers extended temperature range (-40°C to 125°C) and AEC-Q100 automotive qualification.

Q: What does AEC-Q100 qualification mean for component selection?

A: AEC-Q100 is an automotive industry qualification standard indicating the component meets stringent reliability, temperature cycling, and stress testing requirements. Parts carrying this qualification (M95080-DRMN3TP/K, M95080-DRMN8TP/K, BR25H080F-2CE2, BR25H080F-2LBH2) are suitable for automotive applications and high-reliability industrial environments. Non-qualified parts remain suitable for commercial and consumer applications.

Q: Does clock frequency affect my application compatibility?

A: Clock frequency determines maximum SPI data transfer rate. The primary 25AA080DT-I/SN operates at 10 MHz. Substitute parts offering 20 MHz (AT25080B series, M95080 series) provide faster data access while remaining backward compatible with 10 MHz operation. If your firmware implements fixed timing loops dependent on 10 MHz operation, verify compatibility before substitution. Parts operating at identical or higher clock frequencies are safe substitutes.

Q: What packaging format should I select?

A: Packaging format affects assembly process compatibility. Tape & Reel (TR) format suits automated pick-and-place assembly. Tube format requires manual handling or specialized equipment. Cut Tape (CT) & Digi-Reel® provides flexibility for mixed-volume production. Verify your assembly equipment specifications before selecting packaging format. All formats contain identical components; selection depends on manufacturing process requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message