Equivalent & Substitute Parts for 25LC010AT-I/MS

Part Overview

The 25LC010AT-I/MS is a 1Kbit EEPROM memory IC manufactured by Microchip Technology, featuring SPI interface operation at 10 MHz with 8-MSOP surface mount packaging. This device is classified as Active product status and is ROHS3 compliant. 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 within the specified electrical and mechanical parameters.

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
Mounting Type	Surface Mount
Package Type	8-MSOP
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the 25LC010AT-I/MS is determined by strict equivalence in the following critical parameters: 1Kbit memory capacity, 128 x 8 memory organization, SPI interface protocol, and surface mount technology. Parts are grouped into three categories based on allowed parameter variations:

Category 1: Direct Equivalents — Parts maintaining identical specifications across memory size, interface, voltage range, operating temperature, and write cycle time. These parts differ only in packaging format (Tube vs. Tape & Reel) or manufacturer designation suffix.

Category 2: Enhanced Performance Substitutes — Parts with identical memory capacity and organization but operating at higher clock frequencies (20 MHz vs. 10 MHz) or extended voltage supply ranges (1.8V minimum vs. 2.5V minimum). These parts are backward compatible as they exceed the original performance envelope.

Category 3: Automotive-Grade Alternatives — Parts meeting 1Kbit EEPROM specifications with AEC-Q100 qualification and extended operating temperature ranges (-40°C ~ 125°C). These parts are suitable for applications requiring automotive-grade reliability.

Category 4: Reduced Performance Alternatives — Parts with identical memory specifications but lower clock frequency (5 MHz vs. 10 MHz). These parts are suitable only for applications not requiring the original 10 MHz performance level.

Parameter Comparison

Part Number	Manufacturer	Memory Size	Clock Frequency	Voltage Supply	Operating Temp	Write Cycle Time	Package	Packaging Format	Product Status
25LC010AT-I/MS	Microchip Technology	1Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 85°C	5ms	8-MSOP	Tape & Reel	Active
25LC010A-I/MS	Microchip Technology	1Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 85°C	5ms	8-MSOP	Tube	Active
AT25010B-XHL-B	Microchip Technology	1Kbit	20 MHz	1.8V ~ 5.5V	-40°C ~ 85°C	5ms	8-TSSOP	Tube	Active
AT25010B-XHL-T	Microchip Technology	1Kbit	20 MHz	1.8V ~ 5.5V	-40°C ~ 85°C	5ms	8-TSSOP	Cut Tape & Digi-Reel	Active
BR25H010FVM-2CTR	Rohm Semiconductor	1Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 125°C	4ms	8-MSOP	Tape & Reel	Active
CAV25010YE-GT3	onsemi	1Kbit	10 MHz	2.5V ~ 5.5V	-40°C ~ 125°C	5ms	8-TSSOP	Tape & Reel	Active
M95010-RDW6TP	STMicroelectronics	1Kbit	20 MHz	1.8V ~ 5.5V	-40°C ~ 85°C	5ms	8-TSSOP	Tape & Reel	Active
M95010-WDW6TP	STMicroelectronics	1Kbit	20 MHz	2.5V ~ 5.5V	-40°C ~ 85°C	5ms	8-TSSOP	Tape & Reel	Active
S-25C010A0I-K8T3U	ABLIC Inc.	1Kbit	5 MHz	1.6V ~ 5.5V	-40°C ~ 85°C	4ms	8-TMSOP	Cut Tape	Active

Engineering Selection Recommendations

For Direct Replacement with Identical Specifications: Select 25LC010A-I/MS when packaging format change from Tape & Reel to Tube is acceptable. Both parts are manufactured by Microchip Technology with Active product status and identical electrical parameters.

For Enhanced Performance Requirements: AT25010B-XHL-T or M95010-RDW6TP provide 20 MHz clock frequency operation with extended voltage supply range (1.8V minimum). Both parts maintain Active product status and are suitable for applications requiring higher data throughput. AT25010B-XHL-T offers unlimited moisture sensitivity level (MSL 1) in Cut Tape & Digi-Reel format. M95010-RDW6TP is verified programmable by DiGi-Electronics.

For Automotive-Grade Applications: BR25H010FVM-2CTR (Rohm Semiconductor) and CAV25010YE-GT3 (onsemi) both carry AEC-Q100 qualification and support extended operating temperature range to 125°C. BR25H010FVM-2CTR maintains 8-MSOP packaging identical to the original part. CAV25010YE-GT3 uses 8-TSSOP packaging.

For Supply Chain Flexibility: M95010-WDW6TP provides highest inventory availability (29,200 pcs) with 20 MHz performance and 2.5V ~ 5.5V voltage range matching the original part's supply specification.

For Reduced Performance Applications: S-25C010A0I-K8T3U is suitable only when 5 MHz clock frequency meets application requirements. This part offers extended voltage supply range (1.6V minimum) but reduced clock frequency.

Frequently Asked Questions (FAQ)

Q: Can 25LC010A-I/MS directly replace 25LC010AT-I/MS? A: Yes. Both parts are manufactured by Microchip Technology with identical electrical specifications (1Kbit, 10 MHz SPI, 2.5V ~ 5.5V, -40°C ~ 85°C). The difference is packaging format: 25LC010A-I/MS is supplied in Tube format while 25LC010AT-I/MS is supplied in Tape & Reel format.

Q: What is the difference between 8-MSOP and 8-TSSOP packages? A: Both are 8-pin surface mount packages. 8-MSOP has 0.118" width (3.00mm), while 8-TSSOP has 0.173" width (4.40mm). Package selection depends on PCB layout constraints and assembly equipment compatibility.

Q: Can I use AT25010B-XHL-T instead of 25LC010AT-I/MS? A: Yes, with considerations. AT25010B-XHL-T provides enhanced performance (20 MHz vs. 10 MHz) and extended voltage range (1.8V minimum vs. 2.5V minimum), making it backward compatible. However, it uses 8-TSSOP packaging instead of 8-MSOP, requiring PCB layout modification.

Q: Are automotive-grade parts (BR25H010FVM-2CTR, CAV25010YE-GT3) suitable for non-automotive applications? A: Yes. Automotive-grade parts exceed standard specifications and are suitable for any application. They provide extended operating temperature range (-40°C ~ 125°C vs. -40°C ~ 85°C) and AEC-Q100 qualification, offering additional reliability margin.

Q: What does "DiGi-Electronics Programmable: Verified" mean? A: This indicates the part has been tested and verified by DiGi-Electronics for programmability and functional compatibility. Parts marked "Not Verified" have not undergone this specific verification process but remain functionally equivalent based on manufacturer specifications.

Q: Can S-25C010A0I-K8T3U operate at 10 MHz like the original part? A: No. S-25C010A0I-K8T3U is specified for maximum 5 MHz clock frequency. Use this part only in applications where 5 MHz operation is sufficient.

Q: What is the moisture sensitivity level (MSL) and why does it matter? A: MSL indicates the maximum time a component can be exposed to moisture before soldering. MSL 1 (Unlimited) allows indefinite storage. MSL 3 (168 Hours) requires soldering within 168 hours of package opening. For high-volume production, MSL 1 parts reduce handling constraints.

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