Equivalent & Substitute Parts for 25LC010AT-I/ST

Part Overview

The 25LC010AT-I/ST is a 1Kbit EEPROM memory IC manufactured by Microchip Technology, featuring SPI interface operation at 10 MHz with 8-TSSOP surface mount packaging. This part is classified as Active product status and is RoHS3 compliant. Substitute parts are necessary when the original part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when enhanced performance specifications such as higher clock frequency or extended temperature ranges are needed for specific applications.

Substiute Parts

25LC010AT-I/ST
Microchip TechnologyIn Stock: 86125LC010AT-I/ST Datasheet
25LC010AT-I/ST
Current Part
AT25010B-XHL-B
Microchip TechnologyIn Stock: 2145AT25010B-XHL-B Datasheet
AT25010B-XHL-B
MFR Recommended
AT25010B-XHL-T
Microchip TechnologyIn Stock: 10292AT25010B-XHL-T Datasheet
AT25010B-XHL-T
MFR Recommended
BR25H010FVT-2CE2
Rohm SemiconductorIn Stock: 2539BR25H010FVT-2CE2 Datasheet
BR25H010FVT-2CE2
MFR Recommended
CAT25010YI-GT3
onsemiIn Stock: 1338CAT25010YI-GT3 Datasheet
CAT25010YI-GT3
MFR Recommended
CAV25010YE-GT3
onsemiIn Stock: 846CAV25010YE-GT3 Datasheet
CAV25010YE-GT3
MFR Recommended
M95010-RDW6TP
STMicroelectronicsIn Stock: 17126M95010-RDW6TP Datasheet
M95010-RDW6TP
MFR Recommended
M95010-WDW6TP
STMicroelectronicsIn Stock: 29282M95010-WDW6TP Datasheet
M95010-WDW6TP
MFR Recommended

Key Parameters

Parameter Value
Memory Size 1Kbit
Memory Organization 128 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-TSSOP
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 25LC010AT-I/ST is determined by the following critical parameters: memory size (1Kbit), memory organization (128 x 8), SPI interface protocol, 8-TSSOP package footprint, and surface mount mounting type. These parameters define the functional and physical compatibility requirements.

Substitute parts are grouped into two categories based on clock frequency capability:

Category 1: 10 MHz Clock Frequency (Direct Functional Match) Parts operating at 10 MHz maintain identical performance characteristics to the original part. These include BR25H010FVT-2CE2 and CAV25010YE-GT3.

Category 2: 20 MHz Clock Frequency (Enhanced Performance) Parts operating at 20 MHz provide higher clock frequency capability while maintaining all other core specifications. These include AT25010B-XHL-B, AT25010B-XHL-T, CAT25010YI-GT3, M95010-RDW6TP, and M95010-WDW6TP.

All substitute parts maintain the same memory capacity, organization, SPI interface, package dimensions, and surface mount configuration. Voltage supply ranges and operating temperatures vary by manufacturer and product line but remain within industrial specifications.

Parameter Comparison

Parameter 25LC010AT-I/ST AT25010B-XHL-B AT25010B-XHL-T BR25H010FVT-2CE2 CAT25010YI-GT3 CAV25010YE-GT3 M95010-RDW6TP M95010-WDW6TP
Manufacturer Microchip Technology Microchip Technology Microchip Technology Rohm Semiconductor onsemi onsemi STMicroelectronics STMicroelectronics
Memory Size 1Kbit 1Kbit 1Kbit 1Kbit 1Kbit 1Kbit 1Kbit 1Kbit
Memory Organization 128 x 8 128 x 8 128 x 8 128 x 8 128 x 8 128 x 8 128 x 8 128 x 8
Memory Interface SPI SPI SPI SPI SPI SPI SPI SPI
Clock Frequency 10 MHz 20 MHz 20 MHz 10 MHz 20 MHz 10 MHz 20 MHz 20 MHz
Write Cycle Time 5ms 5ms 5ms 4ms 5ms 5ms 5ms 5ms
Voltage Supply Range 2.5V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V 2.5V ~ 5.5V 1.8V ~ 5.5V 2.5V ~ 5.5V 1.8V ~ 5.5V 2.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 125°C -40°C ~ 85°C -40°C ~ 125°C -40°C ~ 85°C -40°C ~ 85°C
Package Type 8-TSSOP 8-TSSOP 8-TSSOP 8-TSSOP-B 8-TSSOP 8-TSSOP 8-TSSOP 8-TSSOP
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Packaging Format Tape & Reel (TR) Tube Cut Tape (CT) & Digi-Reel® Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Automotive Grade No No No Yes (AEC-Q100) No Yes (AEC-Q100) No No

Engineering Selection Recommendations

For Direct Replacement (10 MHz Operation) BR25H010FVT-2CE2 and CAV25010YE-GT3 provide functional equivalence to the 25LC010AT-I/ST. BR25H010FVT-2CE2 is qualified to AEC-Q100 automotive standards with extended temperature range (-40°C ~ 125°C), suitable for automotive applications. CAV25010YE-GT3 also carries AEC-Q100 qualification with identical temperature range. Both maintain 10 MHz clock frequency and are RoHS3 compliant.

For Enhanced Performance (20 MHz Operation) AT25010B-XHL-T, M95010-RDW6TP, and M95010-WDW6TP support 20 MHz clock frequency while maintaining backward compatibility with 10 MHz operation. AT25010B-XHL-T offers unlimited moisture sensitivity level (MSL 1) in Cut Tape packaging format. M95010-RDW6TP and M95010-WDW6TP provide high inventory availability with verified DiGi-Electronics programmability status. M95010-WDW6TP supports the full voltage range (2.5V ~ 5.5V) matching the original part specification.

For Automotive Applications BR25H010FVT-2CE2 and CAV25010YE-GT3 are the only substitute options carrying AEC-Q100 qualification and extended operating temperature range to 125°C, required for automotive-grade applications.

For Packaging Flexibility AT25010B-XHL-B is available in Tube packaging, while AT25010B-XHL-T is available in Cut Tape & Digi-Reel format. These options accommodate different manufacturing and assembly processes compared to the original Tape & Reel format.

Frequently Asked Questions (FAQ)

Q: Can I use a 20 MHz substitute part in place of the 10 MHz 25LC010AT-I/ST? A: Yes. All 20 MHz substitute parts are backward compatible and operate at 10 MHz when the SPI clock is configured to 10 MHz. The higher clock frequency capability does not prevent operation at lower frequencies. Functional compatibility is maintained across all memory parameters.

Q: What is the difference between 8-TSSOP and 8-TSSOP-B packaging? A: Both package types maintain identical 0.173" width and 4.40mm dimensions with the same pin configuration and footprint. The -B designation indicates a variant used by Rohm Semiconductor. PCB layout and assembly processes remain compatible.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts carry RoHS3 compliance certification, matching the environmental compliance status of the original 25LC010AT-I/ST.

Q: Which substitute part has the highest inventory availability? A: M95010-WDW6TP from STMicroelectronics has the highest inventory with 29,200 pieces in stock, followed by M95010-RDW6TP with 17,100 pieces.

Q: Can I use automotive-grade substitutes in non-automotive applications? A: Yes. Automotive-grade parts (BR25H010FVT-2CE2 and CAV25010YE-GT3) exceed standard industrial specifications and are suitable for any application. The extended temperature range (-40°C ~ 125°C) and AEC-Q100 qualification provide additional reliability margins.

Q: What voltage range should I verify for my application? A: The original 25LC010AT-I/ST operates at 2.5V ~ 5.5V. Most 20 MHz substitutes support 1.8V ~ 5.5V, providing wider voltage compatibility. Verify your circuit design operates within the specified range of your selected substitute part.

Q: Does packaging format affect electrical performance? A: No. Tape & Reel, Cut Tape & Digi-Reel, and Tube packaging formats contain identical die and electrical characteristics. Packaging selection depends on manufacturing process requirements and assembly equipment compatibility.

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