Equivalent & Substitute Parts for 25LC080C-E/ST

Part Overview

The 25LC080C-E/ST is an 8Kbit EEPROM memory IC manufactured by Microchip Technology, featuring SPI interface operation at 10 MHz with 8-TSSOP surface mount packaging. This non-volatile memory device operates across a supply voltage range of 2.5V to 5.5V and temperature range of -40°C to 125°C, with a 5ms write cycle time. The part is currently in active production status and ROHS3 compliant. Equivalent and substitute parts are identified based on matching memory capacity, interface protocol, package type, and electrical operating parameters to ensure functional compatibility in circuit applications.

Key Parameters

Parameter	25LC080C-E/ST
Memory Size	8Kbit
Memory Organization	1K x 8
Memory Interface	SPI
Clock Frequency	10 MHz
Write Cycle Time	5ms
Voltage Supply Range	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 125°C
Package Type	8-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 25LC080C-E/ST are qualified based on the following critical parameters:

Memory Capacity: All substitutes maintain 8Kbit capacity with 1K x 8 organization
Interface Protocol: SPI interface is mandatory for all equivalents
Package Compatibility: 8-TSSOP surface mount package with 0.173" width and 4.40mm dimensions
Voltage Compatibility: Supply voltage ranges must overlap with or exceed the 2.5V ~ 5.5V requirement
Temperature Range: Operating temperature must support the -40°C to 125°C specification or a subset thereof
Write Cycle Time: Maximum 5ms write cycle time acceptable
Compliance: ROHS3 compliance and EAR99 ECCN classification maintained across all substitutes

Substitutes are grouped by manufacturer and performance characteristics. Higher clock frequency variants (20 MHz) are electrically compatible as they operate at the same voltage and package specifications while providing enhanced performance headroom. Lower clock frequency variants (5 MHz) are compatible for applications not requiring maximum speed. Automotive-grade variants with AEC-Q100 qualification provide additional reliability assurance for demanding environments.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Voltage Supply	Operating Temperature	Write Cycle Time	Package	Automotive Grade
25LC080C-E/ST	Microchip Technology	8Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 125°C	5ms	8-TSSOP	No
AT25080B-XHL-B	Microchip Technology	8Kbit	20 MHz	1.8V ~ 5.5V	-40°C ~ 85°C	5ms	8-TSSOP	No
M95080-WDW6TP	STMicroelectronics	8Kbit	20 MHz	2.5V ~ 5.5V	-40°C ~ 85°C	5ms	8-TSSOP	No
BR25H080FVT-2CE2	Rohm Semiconductor	8Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 125°C	4ms	8-TSSOP	Yes (AEC-Q100)
CAT25080YI-GT3	onsemi	8Kbit	Not Specified	1.8V ~ 5.5V	-40°C ~ 85°C	5ms	8-TSSOP	No
CAV25080YE-GT3	onsemi	8Kbit	20 MHz	2.5V ~ 5.5V	-40°C ~ 125°C	5ms	8-TSSOP	Yes (AEC-Q100)
M95080-DFDW6TP	STMicroelectronics	8Kbit	20 MHz	1.7V ~ 5.5V	-40°C ~ 85°C	5ms	8-TSSOP	No
M95080-DRDW3TP/K	STMicroelectronics	8Kbit	20 MHz	1.8V ~ 5.5V	-40°C ~ 125°C	4ms	8-TSSOP	Yes (AEC-Q100)
M95080-RDW6TP	STMicroelectronics	8Kbit	20 MHz	1.8V ~ 5.5V	-40°C ~ 85°C	5ms	8-TSSOP	No
R1EX25008ATA00I#S0	Renesas Electronics Corporation	8Kbit	5 MHz	1.8V ~ 5.5V	-40°C ~ 85°C	5ms	8-TSSOP	No

Engineering Selection Recommendations

Direct Equivalents (Matching Temperature Range)

BR25H080FVT-2CE2 from Rohm Semiconductor and CAV25080YE-GT3 from onsemi both maintain the full -40°C to 125°C operating temperature range of the original 25LC080C-E/ST. BR25H080FVT-2CE2 matches the 10 MHz clock frequency and includes AEC-Q100 automotive qualification. CAV25080YE-GT3 operates at 20 MHz with AEC-Q100 qualification, providing enhanced performance margin while maintaining temperature compatibility.

Performance-Enhanced Substitutes (Extended Frequency)

M95080-WDW6TP, M95080-DFDW6TP, M95080-DRDW3TP/K, and M95080-RDW6TP from STMicroelectronics all feature 20 MHz clock frequency operation. M95080-DRDW3TP/K includes AEC-Q100 automotive qualification and supports the full -40°C to 125°C temperature range. These variants are suitable for applications requiring higher data throughput while maintaining SPI interface compatibility.

Microchip Technology Alternative

AT25080B-XHL-B from Microchip Technology operates at 20 MHz with extended voltage range (1.8V ~ 5.5V). Operating temperature is limited to -40°C to 85°C, making it suitable for non-extended temperature applications.

Lower Frequency Option

R1EX25008ATA00I#S0 from Renesas Electronics Corporation operates at 5 MHz with 1.8V ~ 5.5V supply range and -40°C to 85°C temperature range. This variant is suitable for applications with lower speed requirements.

All substitute parts maintain ROHS3 compliance, EAR99 ECCN classification, and 8-TSSOP package compatibility with the original part.

Frequently Asked Questions (FAQ)

Q: Can I use a 20 MHz variant as a direct replacement for the 10 MHz 25LC080C-E/ST?

A: Yes. The 20 MHz variants (M95080-WDW6TP, CAV25080YE-GT3, M95080-DRDW6TP, M95080-RDW6TP) are electrically compatible substitutes. Higher clock frequency operation is backward compatible with circuits designed for 10 MHz operation. The SPI interface, memory capacity, package, and voltage specifications remain identical.

Q: What is the difference between automotive-grade and standard variants?

A: Automotive-grade variants (BR25H080FVT-2CE2, CAV25080YE-GT3, M95080-DRDW3TP/K) carry AEC-Q100 qualification, indicating compliance with automotive reliability and quality standards. These parts are suitable for automotive and high-reliability applications. Standard variants lack this qualification but are suitable for general industrial and consumer applications.

Q: Are all substitutes available in the same 8-TSSOP package?

A: Yes. All listed substitute parts use the 8-TSSOP surface mount package with 0.173" width and 4.40mm dimensions, ensuring mechanical and electrical compatibility with the original 25LC080C-E/ST footprint.

Q: Which substitute maintains the full -40°C to 125°C temperature range?

A: BR25H080FVT-2CE2, CAV25080YE-GT3, and M95080-DRDW3TP/K all support the full -40°C to 125°C operating temperature range. Other substitutes are limited to -40°C to 85°C operation.

Q: Can I use the R1EX25008ATA00I#S0 at 5 MHz in place of the 10 MHz original?

A: Yes. The R1EX25008ATA00I#S0 is electrically compatible and operates at 5 MHz. This lower frequency variant is suitable for applications not requiring the full 10 MHz bandwidth. All other electrical parameters (memory capacity, SPI interface, package, voltage range) remain compatible.

Q: What voltage range considerations apply when selecting a substitute?

A: The original 25LC080C-E/ST operates at 2.5V ~ 5.5V. Substitutes with wider voltage ranges (1.8V ~ 5.5V or 1.7V ~ 5.5V) are compatible and provide additional flexibility for lower voltage applications. Substitutes must support the minimum 2.5V requirement if the original circuit operates at this voltage floor.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and EAR99 ECCN classification, matching the regulatory status of the original 25LC080C-E/ST.

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