About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Memory24LC512T-I/SMG
24LC512T-I/SMG Image
24LC512T-I/SMG Image - 1
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

24LC512T-I/SMG - Microchip Technology

Manufacturer Part Number
24LC512T-I/SMG
Manufacturer
Microchip Technology
Allelco Part Number
32D-24LC512T-I/SMG
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
14,690 pcs available, New & Original
Parts Description
IC EEPROM 512KBIT I2C 8SOIJ
Package
8-SOIJ
Data sheet
24LC512T-I/SMG.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 14690

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

24LC512T-I/SMG Tech Specifications
Microchip Technology - 24LC512T-I/SMG technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - 24LC512T-I/SMG

Product Attribute Attribute Value
Manufacturer Microchip Technology
Write Cycle Time - Word, Page 5ms
Voltage - Supply 2.5V ~ 5.5V
Technology EEPROM
Supplier Device Package 8-SOIJ
Series -
Package / Case 8-SOIC (0.209", 5.30mm Width)
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C (TA)
Product Attribute Attribute Value
Mounting Type Surface Mount
Memory Type Non-Volatile
Memory Size 512Kbit
Memory Organization 64K x 8
Memory Interface I²C
Memory Format EEPROM
Clock Frequency 400 kHz
Base Product Number 24LC512
Access Time 900 ns

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8542.32.0051

Parts Introduction

24LC512T-I/SMG Image
24LC512T-I/SMG (1)

Manufacturer Part Number

24LC512T-I/SMG

Manufacturer

microchip-technology

Introduction

The 24LC512T-I/SMG is a 512Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) with an I2C interface. It provides a high-density, low-power, and cost-effective solution for non-volatile data storage applications.

Product Features and Performance

512Kbit of non-volatile EEPROM memory

64K x 8 memory organization

I2C serial interface with clock frequencies up to 400kHz

5ms write cycle time for word and page write operations

900ns access time

Operates from 2.5V to 5.5V power supply

Wide operating temperature range of -40°C to 85°C

Product Advantages

High-density EEPROM memory for efficient data storage

Low power consumption for energy-efficient applications

Fast write and access times for responsive data handling

Wide voltage and temperature range for versatile use

Key Reasons to Choose This Product

Reliable and durable non-volatile memory solution

Cost-effective for applications requiring substantial data storage

Ease of integration with I2C-based systems

Proven performance and quality from a trusted manufacturer

Quality and Safety Features

Robust industrial-grade design

Rigorous testing and quality control measures

Compliance with relevant safety and environmental standards

Compatibility

The 24LC512T-I/SMG is compatible with I2C-based microcontrollers and systems.

Application Areas

Industrial control systems

Automotive electronics

Consumer electronics

Telecommunications equipment

Embedded systems requiring non-volatile data storage

Product Lifecycle

The 24LC512T-I/SMG is an obsolete product. Microchip Technology may have equivalent or alternative models available. Customers are advised to contact our website's sales team for more information on current product offerings and availability.

Frequently Asked Questions(FAQ)

What are the key performance trade-offs when using the 24LC512T-I/SMG EEPROM for high-frequency I²C applications in industrial environments?
The 24LC512T-I/SMG operates at a maximum clock frequency of 400 kHz, which limits its suitability for ultra-high-speed I²C systems requiring faster throughput. While this is sufficient for most embedded control tasks, designers must account for the 5 ms write cycle time per page, introducing latency during data persistence operations. In temperature-stressed industrial settings (−40°C to 85°C), the device maintains reliable operation due to its extended junction temperature rating, but the combination of slow write speeds and limited interface bandwidth may necessitate buffer management or write scheduling strategies to avoid system bottlenecks.
How does the memory organization of the 24LC512T-I/SMG compare to other 512-Kbit EEPROMs like the 24FC515T-I/SM when implementing block-based data logging?
The 24LC512T-I/SMG is organized as 64K × 8 bits, supporting 32-byte pages typical of older EEPROM architectures. In contrast, the 24FC515T-I/SM features 64-byte page writes, enabling larger burst transfers and reduced overhead during sequential writes. For data logging applications where write endurance and speed matter, the 24FC515T’s higher page size can significantly reduce transaction count per megabyte written, lowering wear on memory cells. However, the 24LC512T’s simpler page structure may offer easier address calculation and lower firmware complexity in constrained systems.
Can the 24LC512T-I/SMG be used in automotive-grade designs despite not being AEC-Q100 certified?
The 24LC512T-I/SMG is rated for industrial temperatures (−40°C to 85°C) and meets RoHS3 compliance, but it lacks AEC-Q100 qualification required for most automotive applications. While some non-safety-critical infotainment or body electronics might accept it under strict derating and validation protocols, certification gaps mean reliability under vibration, thermal cycling, and EMI cannot be guaranteed. Designers should prefer alternatives like the CAT24C512XI-T2, which offers enhanced robustness and automotive-grade variants, if functional safety or long-term field deployment is anticipated.
What is the effective data retention period for the 24LC512T-I/SMG when stored at elevated ambient temperatures?
Although datasheets often cite 100-year retention at 25°C, real-world extrapolation suggests the 24LC512T-I/SMG retains data for approximately 10–20 years at 85°C—consistent with typical EEPROM degradation models. At 65°C, retention extends beyond 50 years. This implies that even without power, configuration data stored in the device may become unreliable after ~15 years in hot environments such as motor control units or outdoor sensor hubs, necessitating periodic refresh cycles or backup storage in mission-critical firmware settings.
How does the supply voltage range of the 24LC512T-I/SMG impact compatibility with modern low-power microcontrollers?
The 2.5V to 5.5V operating range allows direct interfacing with both 3.3V and 5V logic families, including many ultra-low-power MCUs like STM32L series or MSP430 devices. However, when operating near the lower limit (2.5V), the I²C pull-up resistors must be carefully sized to meet rise-time requirements under worst-case conditions, as bus capacitance and weak drive strength could violate timing margins at 400 kHz. Additionally, write operations consume peak current during programming pulses, which may exceed brown-out thresholds in deeply battery-powered systems unless regulated power delivery is ensured.
Is it feasible to parallel multiple 24LC512T-I/SMG devices to increase available memory capacity without violating I²C addressing rules?
Yes, up to four 24LC512T-I/SMG devices can share the same I²C bus by assigning unique hardware addresses via the A0, A1, and A2 pins. Each device occupies one of the four possible slave addresses (e.g., 0x50–0x57). This approach effectively quadruples usable memory to 2 Mbit while maintaining single-bus simplicity. However, shared access requires careful arbitration in firmware to prevent concurrent writes or read conflicts, especially given the 5ms write latency per page, which could starve other peripherals if not managed through queuing or interrupts.
Why might the 24LC512T-I/SMG exhibit slower write performance compared to serial flash alternatives in rapid acquisition scenarios?
Unlike NOR or NAND flash, which support byte-level writes and fast random access, the 24LC512T-I/SMG only allows page writes (typically 32 bytes), with each requiring 5ms to complete. Serial flash typically achieves sub-millisecond write times for small data blocks. For applications like waveform capture or event logging where frequent small updates occur, this results in significant latency and reduced effective throughput. Even though the interface speed (400 kHz) is adequate, the physical write mechanism itself imposes a hard bottleneck that serial flash avoids.
How do substitute parts like the CAT24C512WI-GT3 improve upon the limitations of the 24LC512T-I/SMG in high-vibration environments?
The CAT24C512WI-GT3, a common substitute, offers improved mechanical stability through enhanced solder joint design and sometimes stricter process controls during assembly, reducing failure risk under vibration. It also typically includes better ESD protection and tighter electrical tolerances. While both share similar core functionality, the substitute’s package and manufacturing pedigree may yield higher MTBF in ruggedized deployments such as industrial controllers or transportation modules, where connector fatigue or PCB stress could otherwise compromise long-term reliability of standard SOIJ-packaged EEPROMs like the 24LC512T-I/SMG.
What precautions should be taken when replacing the 24LC512T-I/SMG with a 24FC515T-I/SM in existing firmware?
Although both are 512-Kbit I²C EEPROMs, the 24FC515T-I/SM uses 64-byte pages instead of 32-byte, altering how data is buffered before writing. Firmware relying on fixed page boundaries may misalign writes, causing partial overwrites or corruption. Additionally, the 24FC515T has different endurance ratings and potentially faster write cycles, so looped update routines must verify compatibility with new timing characteristics. Always validate address mapping, page size assumptions, and worst-case write duration in target application logic before substituting.
How does moisture sensitivity level (MSL) = 1 benefit the handling of the 24LC512T-I/SMG in mass production?
With an MSL rating of 1, the 24LC512T-I/SMG is considered non-sensitive to moisture absorption and can be stored indefinitely without baking prior to reflow soldering. This simplifies inventory management, reduces handling costs, and eliminates the need for controlled drying processes in high-volume manufacturing—especially beneficial for global supply chains where storage conditions vary widely. It enables just-in-time placement and improves yield predictability during SMT assembly.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology 24LC512T-I/SMG

Product Attribute 24LC512T-I/SM 24LC512T-I/ST16KVAO 24LC512T-I/MS 24LC512T-I/ST14
Part Number 24LC512T-I/SM 24LC512T-I/ST16KVAO 24LC512T-I/MS 24LC512T-I/ST14
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Series - - - -
Technology - - - -
Memory Format - - - -
Memory Interface - - - -
Memory Organization - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Memory Size - - - -
Write Cycle Time - Word, Page - - - -
Voltage - Supply - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Memory Type - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Clock Frequency - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Access Time - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

24LC512T-I/SMG Datasheet PDF

Download 24LC512T-I/SMG pdf datasheets and Microchip Technology documentation for 24LC512T-I/SMG - Microchip Technology.

PCN Assembly/Origin
8L SOIJ Package/Plating 31/Jul/2013.pdf
PCN Packaging
Label and Packing Changes 23/Sep/2015.pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
24LC512T-I/SMG Image

24LC512T-I/SMG

Microchip Technology
32D-24LC512T-I/SMG

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB