25LC080C-E/ST16KVAO EEPROM Memory IC Equivalent & Substitute Parts

Part Overview

The 25LC080C-E/ST16KVAO is an 8Kbit SPI EEPROM memory IC manufactured by Microchip Technology, packaged in 8-TSSOP form factor. This non-volatile memory device operates at 10 MHz clock frequency with a supply voltage range of 2.5V to 5.5V and supports automotive-grade applications with AEC-Q100 qualification. The device is currently in active production status with 765 units in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications allow for compatible alternatives with enhanced performance characteristics or different supply voltage ranges.

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-TSSOP (0.173", 4.40mm Width)
Grade	Automotive
Qualification	AEC-Q100
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 25LC080C-E/ST16KVAO is determined by the following critical parameters:

Core Compatibility Requirements:

Memory Size: 8Kbit (mandatory match)
Memory Organization: 1K x 8 (mandatory match)
Memory Interface: SPI (mandatory match)
Package Type: 8-TSSOP with 0.173" width and 4.40mm width (mandatory match)
Write Cycle Time: 5ms (mandatory match)

Allowable Variations:

Clock Frequency: 10 MHz or higher (backward compatible)
Voltage Supply Range: Must encompass or be compatible with 2.5V ~ 5.5V
Operating Temperature: -40°C minimum and 85°C or higher maximum
Manufacturer: Different manufacturers acceptable if electrical and mechanical specifications align
Packaging Format: Tube, Cut Tape (CT) & Digi-Reel®, or Tape & Reel (TR) formats acceptable
Automotive Grade and AEC-Q100 qualification: Preferred but not mandatory for industrial applications

Substitute parts identified in this reference meet all core compatibility requirements and represent direct functional equivalents for the 25LC080C-E/ST16KVAO.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency (MHz)	Voltage Supply (V)	Operating Temp (°C)	Package	Automotive Grade	AEC-Q100	Inventory (Pcs)
25LC080C-E/ST16KVAO	Microchip Technology	8Kbit	10	2.5 ~ 5.5	-40 ~ 125	8-TSSOP	Yes	Yes	765
AT25080B-XHL-B	Microchip Technology	8Kbit	20	1.8 ~ 5.5	-40 ~ 85	8-TSSOP	No	No	6000
AT25080B-XHL-T	Microchip Technology	8Kbit	20	1.8 ~ 5.5	-40 ~ 85	8-TSSOP	No	No	6854
CAT25080YI-GT3	onsemi	8Kbit	Not specified	1.8 ~ 5.5	-40 ~ 85	8-TSSOP	No	No	7841
CAV25080YE-GT3	onsemi	8Kbit	20	2.5 ~ 5.5	-40 ~ 125	8-TSSOP	Yes	Yes	6850
M95080-DFDW6TP	STMicroelectronics	8Kbit	20	1.7 ~ 5.5	-40 ~ 85	8-TSSOP	No	No	785
M95080-RDW6TP	STMicroelectronics	8Kbit	20	1.8 ~ 5.5	-40 ~ 85	8-TSSOP	No	No	33400
M95080-WDW6TP	STMicroelectronics	8Kbit	20	2.5 ~ 5.5	-40 ~ 85	8-TSSOP	No	No	10093

Engineering Selection Recommendations

Primary Substitute (Automotive Applications): CAV25080YE-GT3 (onsemi) is the closest functional equivalent, maintaining automotive-grade classification and AEC-Q100 qualification identical to the original part. This device supports the same voltage supply range (2.5V ~ 5.5V) and extended operating temperature range (-40°C ~ 125°C). The 20 MHz clock frequency provides enhanced performance margin. Inventory availability is 6850 units.

Secondary Substitutes (Industrial Applications): For non-automotive applications where AEC-Q100 qualification is not required, the following parts provide full functional compatibility:

AT25080B-XHL-T (Microchip Technology): 6854 units available, Cut Tape & Digi-Reel® packaging, 20 MHz operation
M95080-RDW6TP (STMicroelectronics): 33400 units available, highest inventory level, 20 MHz operation, Tape & Reel packaging
M95080-WDW6TP (STMicroelectronics): 10093 units available, verified programmable status, 20 MHz operation

Voltage Supply Compatibility Note: All substitute parts maintain compatibility with the original 2.5V ~ 5.5V supply range or extend the lower voltage limit. Parts with 1.8V minimum supply (AT25080B-XHL-B, AT25080B-XHL-T, CAT25080YI-GT3, M95080-RDW6TP) and 1.7V minimum (M95080-DFDW6TP) provide additional design flexibility for low-voltage applications.

Temperature Range Consideration: The original part supports -40°C ~ 125°C operation. CAV25080YE-GT3 maintains this extended temperature range. All other substitutes operate to -40°C ~ 85°C maximum, which is acceptable for most industrial and consumer applications but does not extend the upper temperature limit of the original specification.

Frequently Asked Questions (FAQ)

Q: Can I use a 20 MHz EEPROM as a substitute for a 10 MHz device? A: Yes. Clock frequency is a backward-compatible parameter. A 20 MHz device operates correctly in circuits designed for 10 MHz operation. The higher frequency capability does not create incompatibility.

Q: Are all substitute parts pin-compatible with the 25LC080C-E/ST16KVAO? A: Yes. All listed substitutes use the 8-TSSOP package with identical 0.173" width and 4.40mm width dimensions. Pin configuration and SPI interface are standardized across all parts.

Q: What is the difference between Tube, Cut Tape, and Tape & Reel packaging? A: These are packaging and delivery formats for manufacturing processes. Tube packaging is for manual handling and small quantities. Cut Tape (CT) & Digi-Reel® is for semi-automated assembly. Tape & Reel (TR) is for fully automated pick-and-place equipment. All formats contain identical die and electrical performance.

Q: Why does CAV25080YE-GT3 have higher inventory than the original part? A: Inventory levels reflect current stock availability and supply chain dynamics. Higher inventory does not indicate inferior quality. CAV25080YE-GT3 maintains identical automotive qualification and AEC-Q100 certification.

Q: Can I substitute a part with 1.8V minimum supply for one rated 2.5V minimum? A: Yes, if your circuit design operates at 2.5V or higher. The substitute part's lower minimum voltage rating (1.8V) is compatible with higher voltage operation. Verify that your actual supply voltage meets the substitute part's specifications.

Q: Is MSL (Moisture Sensitivity Level) rating important for substitution? A: MSL rating affects storage and handling procedures but does not impact electrical compatibility. Parts with MSL 1 (Unlimited) require less stringent moisture control than MSL 3 (168 Hours). Both are suitable for substitution; handling procedures must match the substitute part's MSL rating.

Q: What does "DiGi-Electronics Programmable: Verified" mean for M95080-WDW6TP? A: This indicates that the part has been tested and verified for programming compatibility with DiGi-Electronics equipment and processes. This is a supply chain verification status and does not affect functional substitution capability.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message