25LC080CT-E/MNY EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 25LC080CT-E/MNY is an 8Kbit SPI EEPROM memory IC manufactured by Microchip Technology, packaged in 8-TDFN (2x3) with tape and reel packaging. This non-volatile memory device operates at 10 MHz clock frequency with a 5ms write cycle time and supports supply voltages from 2.5V to 5.5V across an operating temperature range of -40°C to 125°C. The part is ROHS3 compliant and carries an active product status. Equivalent and substitute parts are identified based on matching memory capacity, organization, interface protocol, and package compatibility while accounting for operational parameter variations.

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-TDFN (2x3)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 25LC080CT-E/MNY are qualified based on the following criteria:

Core Compatibility Requirements:

Memory capacity: 8Kbit
Memory organization: 1K x 8
Interface protocol: SPI
Non-volatile EEPROM technology
Surface mount packaging with exposed pad

Operational Parameter Tolerance: Substitutes must support the minimum supply voltage of 2.5V and minimum operating temperature of -40°C required by the main part. Clock frequency may exceed 10 MHz. Write cycle time may be equal to or faster than 5ms. Operating temperature upper limit may be lower than 125°C if the application does not require the full range.

Package Considerations: The 25LC080CT-E/MNY uses 8-TDFN packaging. Substitutes using 8-UDFN or 8-UFDFPN packages are functionally equivalent due to identical pin configurations and exposed pad design, though physical footprint dimensions differ slightly.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Voltage Supply	Operating Temp	Write Cycle Time	Package	Inventory
25LC080CT-E/MNY	Microchip Technology	8Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 125°C	5ms	8-TDFN	951 Pcs
25LC080DT-E/MNY	Microchip Technology	8Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 125°C	5ms	8-TDFN	3841 Pcs
AT25080B-MAHL-T	Microchip Technology	8Kbit	20 MHz	1.8V ~ 5.5V	-40°C ~ 85°C	5ms	8-UDFN	2588 Pcs
CAT25080HU4I-GT3	onsemi	8Kbit	Not Specified	1.8V ~ 5.5V	-40°C ~ 85°C	5ms	8-UDFN-EP	3513 Pcs
M95080-DFMC6TG	STMicroelectronics	8Kbit	20 MHz	1.7V ~ 5.5V	-40°C ~ 85°C	5ms	8-UFDFPN	5572 Pcs
M95080-DRMF3TG/K	STMicroelectronics	8Kbit	20 MHz	1.8V ~ 5.5V	-40°C ~ 125°C	4ms	8-MLP	3444 Pcs
M95080-RMC6TG	STMicroelectronics	8Kbit	20 MHz	1.8V ~ 5.5V	-40°C ~ 85°C	5ms	8-UFDFPN	66300 Pcs

Engineering Selection Recommendations

Direct Equivalent (Recommended First Choice): The 25LC080DT-E/MNY is the primary equivalent, offering identical electrical specifications and package type to the 25LC080CT-E/MNY. Both are Microchip Technology products with ROHS3 compliance and active product status. The only difference is packaging format (tape and reel vs. cut tape), making this a direct functional replacement with higher inventory availability (3841 Pcs).

Cross-Manufacturer Substitutes with Enhanced Performance: The M95080-DRMF3TG/K from STMicroelectronics maintains the full -40°C to 125°C operating temperature range of the main part while offering 20 MHz clock frequency and 4ms write cycle time. This part carries AEC-Q100 automotive qualification and is suitable for applications requiring extended temperature operation. All STMicroelectronics M95080 variants provide superior clock frequency (20 MHz) compared to the main part.

Substitutes with Reduced Temperature Range: The AT25080B-MAHL-T and M95080-DFMC6TG/M95080-RMC6TG are suitable only for applications where the operating temperature does not exceed 85°C. These parts offer enhanced clock frequency (20 MHz) and lower minimum supply voltage (1.8V or 1.7V), providing design flexibility for lower-voltage systems.

Cross-Manufacturer Option: The CAT25080HU4I-GT3 from onsemi provides an alternative source with 8Kbit capacity and SPI interface. This part supports 1.8V minimum supply voltage and carries unlimited moisture sensitivity level (MSL 1), offering advantages for moisture-sensitive applications.

All substitute parts maintain ROHS3 compliance, active product status, and identical memory organization (1K x 8) with SPI interface protocol.

Frequently Asked Questions (FAQ)

Q: Can I use AT25080B-MAHL-T as a direct replacement for 25LC080CT-E/MNY? A: The AT25080B-MAHL-T is functionally compatible for SPI EEPROM applications requiring 8Kbit capacity. However, it operates only to 85°C maximum, compared to 125°C for the main part. Use this substitute only if your application does not require the extended temperature range. The package type differs (8-UDFN vs. 8-TDFN), requiring PCB layout adjustment.

Q: What is the difference between 25LC080CT-E/MNY and 25LC080DT-E/MNY? A: Both parts are identical in electrical specifications and package type (8-TDFN). The difference is in supplier packaging format: CT indicates cut tape, while DT indicates digi-reel tape. Functionally, they are equivalent. The 25LC080DT-E/MNY has higher inventory availability.

Q: Are STMicroelectronics M95080 parts compatible with Microchip 25LC080 designs? A: Yes. All M95080 variants maintain 8Kbit capacity, 1K x 8 organization, and SPI interface protocol. Pin configurations are compatible across 8-pin packages (TDFN, UDFN, UFDFPN, MLP). The M95080 series offers higher clock frequency (20 MHz) and faster write cycles (4-5ms). Verify package footprint compatibility with your PCB design.

Q: Which substitute offers the best availability? A: The M95080-RMC6TG from STMicroelectronics has the highest inventory (66,300 Pcs), followed by 25LC080DT-E/MNY (3,841 Pcs). Both are active products with ROHS3 compliance.

Q: Can I use a substitute with lower minimum supply voltage (1.7V or 1.8V) in a 2.5V system? A: Yes. Parts specified for 1.7V or 1.8V minimum supply voltage are fully compatible in systems operating at 2.5V or higher. The lower minimum voltage specification provides additional design flexibility but does not affect operation at higher voltages.

Q: Does the M95080-DRMF3TG/K automotive qualification affect its use in non-automotive applications? A: No. AEC-Q100 qualification indicates enhanced reliability testing and is suitable for any application. This part is a valid substitute for non-automotive designs and offers the advantage of maintaining the full -40°C to 125°C temperature range.

Q: What package types are available, and are they interchangeable? A: Available packages include 8-TDFN, 8-UDFN, 8-UFDFPN, and 8-MLP. All are 8-pin surface mount packages with exposed pads and identical pin configurations. Physical footprint dimensions differ slightly; verify PCB layout compatibility before substitution.

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