Equivalent & Substitute Parts for 25LC080D-H/SN

Part Overview

The 25LC080D-H/SN is an 8Kbit EEPROM memory IC manufactured by Microchip Technology, featuring SPI interface operation at 5 MHz with 8-SOIC surface mount packaging. This device is classified as Active product status and is ROHS3 compliant. Substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when enhanced performance specifications are needed for specific application requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	25LC080D-H/SN
Manufacturer	Microchip Technology
Memory Size	8Kbit
Memory Organization	1K x 8
Memory Interface	SPI
Clock Frequency	5 MHz
Voltage Supply Range	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 150°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Write Cycle Time	6ms
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 25LC080D-H/SN is determined by the following critical parameters:

Core Compatibility Requirements:

Memory Size: 8Kbit (mandatory match)
Memory Organization: 1K x 8 (mandatory match)
Memory Interface: SPI (mandatory match)
Package / Case: 8-SOIC form factor (mandatory match for direct PCB compatibility)

Performance Enhancement Parameters:

Clock Frequency: Minimum 5 MHz (equal or higher acceptable)
Voltage Supply Range: Must encompass 2.5V ~ 5.5V or be compatible with system voltage
Write Cycle Time: Equal or faster acceptable
Operating Temperature: Must support -40°C minimum and 150°C maximum, or application-specific subset

Compliance Parameters:

RoHS Status: ROHS3 Compliant (required)
Product Status: Active (required for new designs)

Substitute parts are grouped by their ability to meet these mandatory parameters while potentially offering improved specifications in clock frequency, write cycle time, or voltage flexibility.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency (MHz)	Voltage Supply (V)	Operating Temp (°C)	Write Cycle (ms)	Package	Product Status
25LC080D-H/SN	Microchip Technology	8Kbit	5	2.5 ~ 5.5	-40 ~ 150	6	8-SOIC	Active
AT25080B-SSHL-B	Microchip Technology	8Kbit	20	1.8 ~ 5.5	-40 ~ 85	5	8-SOIC	Active
AT25080B-SSHL-T	Microchip Technology	8Kbit	20	1.8 ~ 5.5	-40 ~ 85	5	8-SOIC	Active
BR25H080F-2CE2	Rohm Semiconductor	8Kbit	10	2.5 ~ 5.5	-40 ~ 125	4	8-SOIC	Active
BR25H080F-2LBH2	Rohm Semiconductor	8Kbit	10	2.5 ~ 5.5	-40 ~ 125	4	8-SOIC	Active
BR25H080FJ-2CE2	Rohm Semiconductor	8Kbit	10	2.5 ~ 5.5	-40 ~ 125	4	8-SOIC	Active
CAT25080VI-GT3	onsemi	8Kbit	Not Specified	1.8 ~ 5.5	-40 ~ 85	5	8-SOIC	Active
M95080-RMN6TP	STMicroelectronics	8Kbit	20	1.8 ~ 5.5	-40 ~ 85	5	8-SOIC	Active
M95080-WMN6TP	STMicroelectronics	8Kbit	20	2.5 ~ 5.5	-40 ~ 85	5	8-SOIC	Active

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, qualifying them for new design implementations. Selection among substitutes should be based on the following provided specifications:

For applications requiring extended temperature operation to 150°C: The 25LC080D-H/SN original part is the only option meeting this specification. Rohm Semiconductor BR25H080 series parts support operation to 125°C, while Microchip AT25080B and STMicroelectronics M95080 series support only to 85°C.

For applications with voltage supply constraints below 2.5V: AT25080B-SSHL-B, AT25080B-SSHL-T, CAT25080VI-GT3, and M95080-RMN6TP support 1.8V minimum supply voltage, compared to 2.5V minimum for the original part and Rohm devices.

For improved write cycle performance: Rohm Semiconductor BR25H080 series (4ms write cycle) and all higher-frequency alternatives (5ms write cycle) provide faster write operations than the original 6ms specification.

For automotive applications: BR25H080F-2CE2 and BR25H080FJ-2CE2 carry AEC-Q100 qualification, suitable for automotive-grade requirements.

For packaging format alternatives: AT25080B-SSHL-T is available in Cut Tape & Digi-Reel format with significantly higher inventory (101,475 pcs), while AT25080B-SSHL-B is supplied in Tube format.

Frequently Asked Questions (FAQ)

Q: Can AT25080B-SSHL-B replace 25LC080D-H/SN in all applications?

A: AT25080B-SSHL-B is electrically compatible for SPI EEPROM functionality with identical 8Kbit capacity and 8-SOIC packaging. However, it operates only to 85°C maximum temperature versus 150°C for the original part. Substitution is valid only if application operating temperature does not exceed 85°C.

Q: What is the difference between BR25H080F-2CE2 and BR25H080F-2LBH2?

A: Both parts are functionally identical 8Kbit SPI EEPROM devices with 10 MHz clock frequency and 8-SOIC packaging. BR25H080F-2CE2 carries AEC-Q100 automotive qualification; BR25H080F-2LBH2 does not. Selection depends on automotive-grade requirements.

Q: Are all substitute parts in 8-SOIC package compatible with the original PCB footprint?

A: All listed substitutes use 8-SOIC package with 0.154" width (3.90mm) matching the original 25LC080D-H/SN, except BR25H080F-2CE2 and BR25H080F-2LBH2 which use 8-SOP package with 0.173" width (4.40mm). Verify PCB footprint compatibility before substitution.

Q: Which substitute offers the best availability?

A: AT25080B-SSHL-T provides the highest inventory at 101,475 pcs in Cut Tape & Digi-Reel format, followed by M95080-WMN6TP at 34,233 pcs.

Q: Can I use M95080-WMN6TP if my system operates at 2.5V supply voltage?

A: Yes. M95080-WMN6TP supports 2.5V ~ 5.5V supply range, matching the original part specification. M95080-RMN6TP supports 1.8V ~ 5.5V and is also compatible.

Q: What is the significance of Moisture Sensitivity Level (MSL) differences?

A: The original 25LC080D-H/SN and most substitutes carry MSL 1 (Unlimited), indicating no moisture sensitivity constraints. AT25080B-SSHL-B carries MSL 3 (168 Hours), requiring controlled storage and handling within 168 hours of package opening.

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