Equivalent & Substitute Parts for 25LC080CT-I/MS

Part Overview

The 25LC080CT-I/MS is an 8Kbit EEPROM memory IC manufactured by Microchip Technology, featuring SPI interface operation at 10 MHz with 8-MSOP surface mount packaging. This non-volatile memory device operates across a 2.5V to 5.5V supply range and supports industrial temperature specifications from -40°C to 85°C. The part is ROHS3 compliant and maintains active product status. Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, and support alternative packaging or performance requirements while maintaining 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	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package Type	8-MSOP (0.118", 3.00mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 25LC080CT-I/MS is determined by the following critical parameters: 8Kbit memory capacity, 1K x 8 organization, SPI interface protocol, and surface mount packaging. Parts are grouped into three categories based on operational compatibility:

Group 1: Direct Electrical Equivalents (Identical Specifications) Parts maintaining 10 MHz clock frequency, 2.5V–5.5V supply voltage, and -40°C to 85°C operating temperature with 8-MSOP or compatible 8-TSSOP packaging.

Group 2: Extended Supply Voltage Range (1.8V Minimum) Parts supporting lower minimum supply voltage (1.8V) while maintaining 8Kbit capacity and SPI interface, allowing operation in low-power applications.

Group 3: Enhanced Clock Frequency (20 MHz) Parts operating at 20 MHz clock frequency with 8Kbit capacity and SPI interface, providing higher data throughput while maintaining backward compatibility through reduced clock operation.

Group 4: Automotive Grade with Extended Temperature Parts qualified to AEC-Q100 automotive standards with extended operating temperature range (-40°C to 125°C) and optimized write cycle performance.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency (MHz)	Supply Voltage (V)	Operating Temperature (°C)	Package	Write Cycle (ms)	Packaging Type
25LC080CT-I/MS	Microchip Technology	8Kbit	10	2.5–5.5	-40 to 85	8-MSOP	5	Tape & Reel
25LC080C-I/MS	Microchip Technology	8Kbit	10	2.5–5.5	-40 to 85	8-MSOP	5	Tube
25AA080AT-I/MS	Microchip Technology	8Kbit	10	1.8–5.5	-40 to 85	8-MSOP	5	Cut Tape
25AA080CT-I/MS	Microchip Technology	8Kbit	10	1.8–5.5	-40 to 85	8-MSOP	5	Tape & Reel
25LC080AT-E/MS	Microchip Technology	8Kbit	10	2.5–5.5	-40 to 125	8-MSOP	5	Tape & Reel
AT25080B-XHL-B	Microchip Technology	8Kbit	20	1.8–5.5	-40 to 85	8-TSSOP	5	Tube
AT25080B-XHL-T	Microchip Technology	8Kbit	20	1.8–5.5	-40 to 85	8-TSSOP	5	Cut Tape
BR25H080FVM-2CTR	Rohm Semiconductor	8Kbit	10	2.5–5.5	-40 to 125	8-MSOP	4	Tape & Reel
CAT25080YI-GT3	onsemi	8Kbit	Not Specified	1.8–5.5	-40 to 85	8-TSSOP	5	Tape & Reel
CAV25080YE-GT3	onsemi	8Kbit	20	2.5–5.5	-40 to 125	8-TSSOP	5	Tape & Reel
M95080-DFDW6TP	STMicroelectronics	8Kbit	20	1.7–5.5	-40 to 85	8-TSSOP	5	Tape & Reel

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance) Select 25LC080C-I/MS when packaging format change from Tape & Reel to Tube is acceptable. This part maintains all electrical specifications and ROHS3 compliance. The 25AA080AT-I/MS and 25AA080CT-I/MS offer extended lower supply voltage operation (1.8V minimum) while preserving 10 MHz clock frequency and are suitable for low-power applications requiring the same performance envelope.

For Extended Temperature Applications The 25LC080AT-E/MS supports -40°C to 125°C operating range while maintaining 10 MHz operation and 2.5V–5.5V supply specifications. The BR25H080FVM-2CTR from Rohm Semiconductor provides equivalent temperature range with AEC-Q100 automotive qualification and 4ms write cycle performance, suitable for automotive-grade designs.

For Higher Clock Frequency Requirements The AT25080B-XHL-T and AT25080B-XHL-B operate at 20 MHz with 1.8V–5.5V supply range. These parts are backward compatible when operated at reduced clock frequencies. The CAV25080YE-GT3 from onsemi provides 20 MHz operation with AEC-Q100 automotive qualification and -40°C to 125°C temperature range. The M95080-DFDW6TP from STMicroelectronics offers 20 MHz operation with extended lower supply voltage (1.7V minimum).

For Automotive Applications BR25H080FVM-2CTR and CAV25080YE-GT3 both carry AEC-Q100 qualification. BR25H080FVM-2CTR maintains 10 MHz operation with extended temperature, while CAV25080YE-GT3 provides 20 MHz operation with automotive-grade specifications.

All substitute parts maintain ROHS3 compliance and active product status. Package transitions from 8-MSOP to 8-TSSOP require PCB layout verification due to dimensional differences (0.118" vs 0.173" width).

Frequently Asked Questions (FAQ)

Q: Can 25AA080AT-I/MS replace 25LC080CT-I/MS directly? A: Yes, electrically. The 25AA080AT-I/MS maintains identical 8Kbit capacity, 10 MHz SPI operation, and -40°C to 85°C temperature range. The primary difference is extended lower supply voltage support (1.8V minimum vs 2.5V minimum). Packaging transitions from Tape & Reel to Cut Tape. Verify procurement and assembly compatibility with your supply chain.

Q: What is the difference between 8-MSOP and 8-TSSOP packages? A: Both are 8-pin surface mount packages with different physical dimensions. 8-MSOP measures 0.118" width (3.00mm), while 8-TSSOP measures 0.173" width (4.40mm). PCB footprints are not interchangeable; layout and assembly equipment must be verified before substitution.

Q: Can I use a 20 MHz part in place of the 10 MHz 25LC080CT-I/MS? A: Yes. Parts like AT25080B-XHL-T and CAV25080YE-GT3 operate at 20 MHz but are backward compatible. They can be clocked at 10 MHz or lower, making them functional substitutes. Verify your system design supports the different package dimensions (8-TSSOP vs 8-MSOP).

Q: Which substitute supports the widest supply voltage range? A: M95080-DFDW6TP from STMicroelectronics supports 1.7V–5.5V, the lowest minimum supply voltage among listed substitutes. This part operates at 20 MHz and is suitable for ultra-low-power applications.

Q: Are all substitutes ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance status, matching the original 25LC080CT-I/MS specification.

Q: What is the significance of AEC-Q100 qualification? A: AEC-Q100 qualification indicates automotive-grade reliability testing and is required for automotive applications. BR25H080FVM-2CTR and CAV25080YE-GT3 carry this qualification. Non-qualified parts are suitable for industrial and commercial applications only.

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