Equivalent & Substitute Parts for 25LC080CT-I/SN

Part Overview

The 25LC080CT-I/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 device is classified as Active product status and is ROHS3 compliant. Equivalent and substitute parts are identified based on matching memory capacity, interface protocol, package type, and electrical operating parameters. Alternative components may be required due to inventory availability, packaging format preferences, or specific voltage supply range requirements.

Key Parameters

Parameter	Value
Memory Size	8Kbit
Memory Organization	1K x 8
Memory Interface	SPI
Clock Frequency	10 MHz
Voltage Supply Range	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Write Cycle Time	5ms
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 25LC080CT-I/SN is determined by the following critical parameters:

Primary Matching Criteria:

Memory capacity: 8Kbit
Memory organization: 1K x 8
Interface protocol: SPI
Package type: 8-SOIC with 0.154" (3.90mm) width
Voltage supply range: Minimum 2.5V support required
Operating temperature range: Minimum -40°C to 85°C support required

Secondary Considerations:

Clock frequency: 10 MHz or higher
Write cycle time: 5ms or faster
RoHS compliance status
Moisture sensitivity level

Substitute parts are grouped into three categories: direct equivalents (identical specifications), manufacturer-recommended alternatives (Microchip Technology variants with compatible parameters), and cross-manufacturer substitutes (alternative suppliers meeting all electrical and mechanical requirements).

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Voltage Supply	Operating Temp	Package	Write Cycle Time	Inventory
25LC080CT-I/SN	Microchip Technology	8Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	5ms	2937 Pcs
25LC080C-I/SN	Microchip Technology	8Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	5ms	1548 Pcs
25AA080AT-I/SN	Microchip Technology	8Kbit	10 MHz	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	5ms	3794 Pcs
25LC080AT-I/SN	Microchip Technology	8Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	5ms	4015 Pcs
25LC080BT-I/SN	Microchip Technology	8Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	5ms	1455 Pcs
25LC080DT-E/SN	Microchip Technology	8Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOIC	5ms	2499 Pcs
AT25080B-SSHL-B	Microchip Technology	8Kbit	20 MHz	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	5ms	3135 Pcs
AT25080B-SSHL-T	Microchip Technology	8Kbit	20 MHz	1.8V ~ 5.5V	-40°C ~ 85°C	8-SOIC	5ms	101475 Pcs
M95080-WMN6TP	STMicroelectronics	8Kbit	20 MHz	2.5V ~ 5.5V	-40°C ~ 85°C	8-SOIC	5ms	34233 Pcs
BR25H080F-2CE2	Rohm Semiconductor	8Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOP	4ms	5814 Pcs
BR25H080F-2LBH2	Rohm Semiconductor	8Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 125°C	8-SOP	4ms	934 Pcs

Engineering Selection Recommendations

Direct Equivalents (Identical Specifications): 25LC080C-I/SN and 25LC080AT-I/SN are direct functional equivalents to 25LC080CT-I/SN, differing only in packaging format (Tube vs. Tape & Reel). Selection between these variants depends on procurement and assembly requirements.

Manufacturer-Recommended Alternatives: 25LC080BT-I/SN and 25LC080DT-E/SN are Microchip Technology variants maintaining identical electrical specifications. The 25LC080DT-E/SN extends operating temperature to -40°C ~ 125°C, suitable for industrial applications. 25AA080AT-I/SN offers extended voltage supply range (1.8V ~ 5.5V) for low-power applications.

Higher Clock Frequency Options: AT25080B-SSHL-B and AT25080B-SSHL-T operate at 20 MHz, providing performance headroom. AT25080B-SSHL-T offers significantly higher inventory (101,475 Pcs) and extended voltage range (1.8V ~ 5.5V). M95080-WMN6TP from STMicroelectronics provides 20 MHz operation with 2.5V ~ 5.5V supply range and high inventory availability (34,233 Pcs).

Cross-Manufacturer Alternatives: BR25H080F-2CE2 and BR25H080F-2LBH2 from Rohm Semiconductor maintain 10 MHz operation with extended temperature range (-40°C ~ 125°C) and AEC-Q100 automotive qualification. Package designation differs (8-SOP vs. 8-SOIC) with slightly larger width (0.173" vs. 0.154"), requiring PCB layout verification.

Compliance Status: All listed substitutes maintain ROHS3 compliance and REACH unaffected status, matching the original part's regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can 25LC080AT-I/SN replace 25LC080CT-I/SN directly? A: Yes. Both parts share identical electrical specifications (8Kbit, 10 MHz SPI, 2.5V ~ 5.5V, -40°C ~ 85°C, 8-SOIC package). The difference is packaging format: 25LC080AT-I/SN uses Tape & Reel while 25LC080CT-I/SN uses Tape & Reel. Functional compatibility is confirmed.

Q: What is the advantage of AT25080B-SSHL-T over the original part? A: AT25080B-SSHL-T operates at 20 MHz (double the clock frequency), supports lower voltage operation (1.8V minimum), and maintains significantly higher inventory (101,475 Pcs). It is functionally compatible with 10 MHz applications due to backward compatibility of SPI interface.

Q: Are Rohm Semiconductor BR25H080F parts compatible? A: BR25H080F-2CE2 and BR25H080F-2LBH2 are electrically compatible (8Kbit, 10 MHz SPI, 2.5V ~ 5.5V, -40°C ~ 125°C). Package designation differs (8-SOP vs. 8-SOIC) with 0.173" width versus 0.154" width. PCB footprint verification is required before substitution.

Q: Can M95080-WMN6TP from STMicroelectronics be used as a substitute? A: Yes. M95080-WMN6TP meets all electrical requirements (8Kbit, 20 MHz SPI, 2.5V ~ 5.5V, -40°C ~ 85°C, 8-SOIC package). The 20 MHz operation provides performance margin for 10 MHz applications. High inventory availability (34,233 Pcs) supports procurement flexibility.

Q: What is the difference between 25LC080DT-E/SN and the original part? A: 25LC080DT-E/SN extends operating temperature range to -40°C ~ 125°C (versus -40°C ~ 85°C), suitable for industrial and automotive environments. All other electrical specifications remain identical. Packaging format is Cut Tape & Digi-Reel.

Q: Does voltage supply range affect substitution eligibility? A: Yes. The original 25LC080CT-I/SN requires minimum 2.5V supply. Substitutes with 1.8V minimum (25AA080AT-I/SN, AT25080B-SSHL-B, AT25080B-SSHL-T) are compatible in 2.5V ~ 5.5V systems but offer additional flexibility for lower-voltage applications. Verify system voltage requirements before selection.

Q: What is the significance of MSL (Moisture Sensitivity Level) differences? A: MSL 1 (Unlimited) indicates no moisture sensitivity restrictions. MSL 3 (168 Hours) requires controlled storage and handling. AT25080B-SSHL-B specifies MSL 3, requiring compliance with moisture control procedures during storage and assembly.

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