Equivalent & Substitute Parts for 25C080-E/SN

Part Overview

The 25C080-E/SN is an 8Kbit EEPROM memory integrated circuit manufactured by Microchip Technology. This non-volatile memory device operates via Serial Peripheral Interface (SPI) at 3 MHz clock frequency and is housed in an 8-SOIC surface mount package. The part is actively produced and ROHS3 compliant.

Substitute parts are necessary when the original 25C080-E/SN becomes unavailable, when design requirements demand enhanced performance specifications such as higher clock frequencies or extended voltage ranges, or when automotive-grade qualification is required for specific applications.

Key Parameters

Parameter	Value
Memory Type	Non-Volatile EEPROM
Memory Size	8Kbit
Memory Organization	1K x 8
Memory Interface	SPI
Clock Frequency	3 MHz
Write Cycle Time	5ms
Voltage Supply Range	4.5V ~ 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
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution compatibility for the 25C080-E/SN is determined by the following critical parameters:

Primary Compatibility Criteria:

Memory Size: 8Kbit (mandatory match)
Memory Organization: 1K x 8 (mandatory match)
Memory Interface: SPI (mandatory match)
Package Type: 8-SOIC with 0.154" (3.90mm) width (mandatory match)
Mounting Type: Surface Mount (mandatory match)

Secondary Performance Parameters:

Clock Frequency: 3 MHz minimum (substitutes may exceed this specification)
Write Cycle Time: 5ms or less (substitutes may be equal or faster)
Voltage Supply Range: Must encompass or exceed 4.5V ~ 5.5V
Operating Temperature: Must encompass or exceed -40°C ~ 125°C

Substitute parts are grouped into two categories:

Category A - Direct Microchip Technology Substitutes: Parts 25LC080A-E/SN, 25LC080C-E/SN, and 25LC080D-E/SN maintain identical memory specifications and package dimensions while offering enhanced clock frequency (10 MHz) and extended lower voltage operation (2.5V minimum).

Category B - Enhanced Performance Substitutes: Parts AT25080B-SSHL-B, CAV25080VE-GT3, and M95080-DRMN3TP/K provide 20 MHz clock frequency with extended voltage ranges (1.8V or 2.5V minimum) and automotive-grade qualification where applicable.

Category C - Alternative Manufacturer Substitutes: Rohm Semiconductor parts BR25H080F-2CE2 and BR25H080FJ-2CE2 provide equivalent 8Kbit SPI EEPROM functionality with automotive qualification and slightly faster write cycle times (4ms).

Category D - Non-Compatible Parts: BR93H46RF-2LBH2 and CAT25080VI-GT3 do not qualify as direct substitutes due to incompatible memory size, interface protocol, or missing clock frequency specification.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Memory Organization	Interface	Clock Frequency	Write Cycle Time	Voltage Supply	Operating Temperature	Package	Automotive Grade
25C080-E/SN	Microchip Technology	8Kbit	1K x 8	SPI	3 MHz	5ms	4.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC (3.90mm)	No
25LC080A-E/SN	Microchip Technology	8Kbit	1K x 8	SPI	10 MHz	5ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC (3.90mm)	No
25LC080C-E/SN	Microchip Technology	8Kbit	1K x 8	SPI	10 MHz	5ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC (3.90mm)	No
25LC080D-E/SN	Microchip Technology	8Kbit	1K x 8	SPI	10 MHz	5ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC (3.90mm)	No
AT25080B-SSHL-B	Microchip Technology	8Kbit	1K x 8	SPI	20 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC (3.90mm)	No
BR25H080F-2CE2	Rohm Semiconductor	8Kbit	1K x 8	SPI	10 MHz	4ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOP (4.40mm)	Yes (AEC-Q100)
BR25H080FJ-2CE2	Rohm Semiconductor	8Kbit	1K x 8	SPI	10 MHz	4ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC (3.90mm)	Yes (AEC-Q100)
CAV25080VE-GT3	onsemi	8Kbit	1K x 8	SPI	20 MHz	5ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC (3.90mm)	Yes (AEC-Q100)
M95080-DRMN3TP/K	STMicroelectronics	8Kbit	1K x 8	SPI	20 MHz	4ms	1.8V ~ 5.5V	-40°C ~ 125°C	8-SOIC (3.90mm)	Yes (AEC-Q100)

Engineering Selection Recommendations

For Direct Replacement Without Design Modification:

Parts 25LC080A-E/SN, 25LC080C-E/SN, and 25LC080D-E/SN are functionally compatible direct replacements. These Microchip Technology devices maintain identical package geometry and pinout while providing enhanced clock frequency (10 MHz) and extended lower voltage operation (2.5V minimum). All three parts are active production items with ROHS3 compliance. Selection between these three variants depends on moisture sensitivity requirements: 25LC080A-E/SN offers MSL 1 (Unlimited), while 25LC080C-E/SN and 25LC080D-E/SN specify MSL 3 (168 Hours).

For Enhanced Performance Applications:

AT25080B-SSHL-B, CAV25080VE-GT3, and M95080-DRMN3TP/K provide 20 MHz clock frequency operation with extended voltage ranges. AT25080B-SSHL-B operates at 1.8V minimum but limits operating temperature to -40°C ~ 85°C. CAV25080VE-GT3 and M95080-DRMN3TP/K both support full -40°C ~ 125°C temperature range with automotive AEC-Q100 qualification. M95080-DRMN3TP/K offers the lowest minimum voltage (1.8V) and fastest write cycle time (4ms).

For Automotive Applications:

BR25H080FJ-2CE2, CAV25080VE-GT3, and M95080-DRMN3TP/K carry AEC-Q100 automotive qualification. BR25H080FJ-2CE2 maintains identical package dimensions (8-SOIC 3.90mm) with 10 MHz operation and 4ms write cycle time. CAV25080VE-GT3 and M95080-DRMN3TP/K provide 20 MHz operation with automotive qualification across the full temperature range.

Inventory Availability:

M95080-DRMN3TP/K offers the highest inventory level (27,231 pcs), followed by CAT25080VI-GT3 (18,407 pcs) and CAV25080VE-GT3 (8,345 pcs). Microchip Technology 25LC080C-E/SN provides 3,300 pcs availability.

Frequently Asked Questions (FAQ)

Q: Can 25LC080A-E/SN, 25LC080C-E/SN, or 25LC080D-E/SN be used as direct replacements for 25C080-E/SN?

A: Yes. All three parts maintain identical 8Kbit SPI EEPROM memory organization (1K x 8), package type (8-SOIC 3.90mm), and pinout. The primary differences are enhanced clock frequency (10 MHz versus 3 MHz) and extended lower voltage operation (2.5V minimum versus 4.5V minimum). These enhancements are backward compatible with designs specified for the 25C080-E/SN.

Q: What is the difference between 25LC080C-E/SN and 25LC080D-E/SN?

A: Both parts are functionally identical with 8Kbit capacity, 10 MHz clock frequency, and 2.5V ~ 5.5V voltage range. The only documented difference is moisture sensitivity level: 25LC080C-E/SN specifies MSL 3 (168 Hours) while 25LC080D-E/SN also specifies MSL 3 (168 Hours). Selection should be based on specific application moisture exposure requirements and available inventory.

Q: Why does AT25080B-SSHL-B limit operating temperature to -40°C ~ 85°C while other substitutes support -40°C ~ 125°C?

A: AT25080B-SSHL-B is specified with a narrower operating temperature range despite offering 20 MHz clock frequency and extended voltage range (1.8V ~ 5.5V). Applications requiring full -40°C ~ 125°C operation should select 25LC080A-E/SN, 25LC080C-E/SN, 25LC080D-E/SN, CAV25080VE-GT3, or M95080-DRMN3TP/K.

Q: Are BR25H080F-2CE2 and BR25H080FJ-2CE2 interchangeable?

A: Both Rohm Semiconductor parts provide identical 8Kbit SPI EEPROM functionality, 10 MHz clock frequency, 4ms write cycle time, and AEC-Q100 automotive qualification. The primary difference is package width: BR25H080F-2CE2 uses 8-SOP with 0.173" (4.40mm) width, while BR25H080FJ-2CE2 uses 8-SOP-J with 0.154" (3.90mm) width matching the original 25C080-E/SN package. BR25H080FJ-2CE2 is the appropriate selection for direct package compatibility.

Q: Which substitute part offers the fastest write cycle time?

A: BR25H080F-2CE2, BR25H080FJ-2CE2, and M95080-DRMN3TP/K all specify 4ms write cycle time, compared to 5ms for the original 25C080-E/SN and most other substitutes. These three parts provide improved write performance.

Q: What is the significance of AEC-Q100 qualification?

A: AEC-Q100 qualification indicates the part meets automotive industry reliability and quality standards established by the Automotive Electronics Council. Parts carrying this qualification (BR25H080FJ-2CE2, CAV25080VE-GT3, and M95080-DRMN3TP/K) are suitable for automotive applications where such certification is required.

Q: Can CAT25080VI-GT3 be used as a substitute for 25C080-E/SN?

A: No. CAT25080VI-GT3 does not include a specified clock frequency parameter in the provided data, making compatibility verification impossible. Additionally, this part is manufactured by onsemi rather than Microchip Technology, introducing potential design integration differences.

Q: Why is BR93H46RF-2LBH2 not listed as a compatible substitute?

A: BR93H46RF-2LBH2 is incompatible because it specifies 1Kbit memory capacity (64 x 16 organization) and Microwire interface protocol, whereas the 25C080-E/SN requires 8Kbit capacity (1K x 8 organization) and SPI interface. These fundamental differences prevent functional substitution.

Q: What voltage range should be considered when selecting a substitute?

A: The original 25C080-E/SN operates at 4.5V ~ 5.5V. Substitutes with extended lower voltage ranges (2.5V or 1.8V minimum) are backward compatible with 5V systems. However, designs operating at voltages below 4.5V require substitutes specifying lower minimum voltage: 25LC080A-E/SN, 25LC080C-E/SN, 25LC080D-E/SN, BR25H080F-2CE2, BR25H080FJ-2CE2, or CAV25080VE-GT3 (2.5V minimum), or AT25080B-SSHL-B and M95080-DRMN3TP/K (1.8V minimum).

Q: How does moisture sensitivity level (MSL) affect part selection?

A: MSL 1 (Unlimited) indicates no moisture sensitivity restrictions and is suitable for all storage and handling conditions. MSL 3 (168 Hours) requires controlled humidity storage and limits floor life after moisture exposure. For applications with extended storage or high-humidity environments, MSL 1 parts (25C080-E/SN, 25LC080A-E/SN, BR25H080F-2CE2, BR25H080FJ-2CE2, CAV25080VE-GT3, and M95080-DRMN3TP/K) are preferred.

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