Equivalent & Substitute Parts for 25LC080CT-E/SN

Part Overview

The 25LC080CT-E/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 2.5V to 5.5V and temperature range of -40°C to 125°C, with a 5ms write cycle time. The part is ROHS3 compliant and carries active product status with verified programmability through DiGi-Electronics.

Equivalent and substitute parts are identified based on matching core electrical parameters: 8Kbit memory capacity, 1K x 8 organization, SPI interface protocol, compatible supply voltage ranges, and surface mount packaging. Substitutes may vary in clock frequency, write cycle time, operating temperature range, and packaging format while maintaining functional compatibility for standard SPI EEPROM applications.

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	2.5V ~ 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

Substitute Part Grouping Explanation

Substitution relationships for the 25LC080CT-E/SN are established based on the following core compatibility criteria:

Primary Matching Parameters:

Memory capacity: 8Kbit
Memory organization: 1K x 8
Interface protocol: SPI
Package type: 8-SOIC or equivalent surface mount
Supply voltage compatibility: minimum 2.5V support

Secondary Variation Parameters (allowable differences):

Clock frequency: 10 MHz or higher (20 MHz variants acceptable for backward compatibility)
Write cycle time: 5ms or faster
Operating temperature range: -40°C minimum and 125°C maximum or broader
Voltage supply upper limit: 5.5V or higher
Packaging format: Tape & Reel, Cut Tape, or Tube configurations

Substitutes are grouped into three categories: direct Microchip Technology equivalents with identical electrical specifications, manufacturer-recommended alternatives from Microchip with enhanced performance parameters, and cross-manufacturer alternatives from STMicroelectronics and Rohm Semiconductor meeting core functional requirements.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Write Cycle Time	Voltage Supply	Operating Temperature	Package	Product Status
25LC080CT-E/SN	Microchip Technology	8Kbit	10 MHz	5ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	Active
25LC080C-E/SN	Microchip Technology	8Kbit	10 MHz	5ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	Active
25LC080DT-E/SN	Microchip Technology	8Kbit	10 MHz	5ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	Active
AT25080B-SSHL-T	Microchip Technology	8Kbit	20 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Active
M95080-WMN6TP	STMicroelectronics	8Kbit	20 MHz	5ms	2.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Active
BR25H080F-2CE2	Rohm Semiconductor	8Kbit	10 MHz	4ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOP	Active
BR25H080F-2LBH2	Rohm Semiconductor	8Kbit	10 MHz	4ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOP	Active
BR25H080FJ-2CE2	Rohm Semiconductor	8Kbit	10 MHz	4ms	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOP-J	Active
CAT25080VI-GT3	onsemi	8Kbit	Not specified	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Active
M95080-DRMN3TP/K	STMicroelectronics	8Kbit	20 MHz	4ms	1.8V ~ 5.5V	-40°C ~ 125°C	8-SOIC	Active
M95080-RMN6TP	STMicroelectronics	8Kbit	20 MHz	5ms	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	Active

Engineering Selection Recommendations

Direct Equivalents (Identical Electrical Specifications): The 25LC080C-E/SN and 25LC080DT-E/SN are direct functional equivalents to the 25LC080CT-E/SN, differing only in packaging format (Tube and Cut Tape & Digi-Reel respectively). Both maintain identical electrical parameters and ROHS3 compliance. Selection between these variants depends on procurement and assembly requirements rather than electrical performance.

Microchip Technology Enhanced Performance: The AT25080B-SSHL-T offers doubled clock frequency (20 MHz) with extended lower voltage support (1.8V minimum). This part is suitable for applications requiring higher data throughput. The reduced operating temperature maximum (-40°C to 85°C versus -40°C to 125°C) must be evaluated against application requirements.

STMicroelectronics Alternatives: The M95080 series (M95080-WMN6TP, M95080-DRMN3TP/K, M95080-RMN6TP) provides 20 MHz operation with ROHS3 compliance. The M95080-DRMN3TP/K extends operating temperature to 125°C and includes AEC-Q100 automotive qualification. These parts are suitable for applications requiring higher clock frequencies or automotive-grade reliability.

Rohm Semiconductor Alternatives: The BR25H080 series (BR25H080F-2CE2, BR25H080F-2LBH2, BR25H080FJ-2CE2) maintains 10 MHz operation with faster write cycle time (4ms) and full -40°C to 125°C temperature range. BR25H080F-2CE2 and BR25H080FJ-2CE2 include AEC-Q100 automotive qualification. Package variations (8-SOP versus 8-SOP-J) accommodate different PCB layout requirements.

onsemi Alternative: The CAT25080VI-GT3 provides extended lower voltage support (1.8V minimum) with standard 5ms write cycle time. Clock frequency is not specified in available data.

All substitute parts maintain ROHS3 compliance and active product status, ensuring long-term availability and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 25LC080CT-E/SN with a 20 MHz variant like the AT25080B-SSHL-T?

A: Yes, 20 MHz variants are backward compatible with 10 MHz applications. The higher clock frequency does not prevent operation in circuits designed for 10 MHz. However, verify that the reduced operating temperature range (-40°C to 85°C for AT25080B-SSHL-T) meets your application requirements, as the original part supports -40°C to 125°C.

Q: What is the difference between 8-SOIC and 8-SOP packaging?

A: Both are 8-pin surface mount packages with similar footprints. The 8-SOIC (0.154" width) and 8-SOP (0.173" width for BR25H080 series) have slightly different body widths. Verify PCB layout compatibility before substitution. The BR25H080FJ-2CE2 uses 8-SOP-J variant with 0.154" width, matching standard 8-SOIC footprints.

Q: Are Rohm Semiconductor BR25H080 parts direct replacements?

A: BR25H080 series parts are functionally compatible with identical memory capacity, organization, and SPI interface. The 4ms write cycle time is faster than the 5ms specification of the 25LC080CT-E/SN, providing improved performance. Package width differences (8-SOP at 0.173" versus 8-SOIC at 0.154") require PCB footprint verification.

Q: Which substitute offers the widest operating temperature range?

A: The 25LC080C-E/SN, 25LC080DT-E/SN, BR25H080 series, and M95080-DRMN3TP/K all support -40°C to 125°C operation, matching the original part. The M95080-DRMN3TP/K additionally provides AEC-Q100 automotive qualification at this temperature range.

Q: Can I use a part with lower minimum supply voltage (1.8V)?

A: Parts specifying 1.8V minimum supply voltage (AT25080B-SSHL-T, CAT25080VI-GT3, M95080-DRMN3TP/K, M95080-RMN6TP) are compatible with circuits designed for 2.5V minimum operation. The lower minimum voltage provides additional design flexibility but does not affect operation in 2.5V to 5.5V systems.

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

A: AEC-Q100 qualification indicates automotive-grade reliability testing and is present on BR25H080F-2CE2, BR25H080FJ-2CE2, and M95080-DRMN3TP/K. This certification is required for automotive applications but is not necessary for general industrial or consumer applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all listed substitute parts maintain ROHS3 compliance, ensuring regulatory compliance and environmental standards adherence equivalent to the original 25LC080CT-E/SN.

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