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HomeProductsIntegrated Circuits (ICs)Specialized ICs24LC512-I/SMG
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24LC512-I/SMG - Microchip

Manufacturer Part Number
24LC512-I/SMG
Manufacturer
Microchip Technology
Allelco Part Number
41D-24LC512-I/SMG
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
17,650 pcs available, New & Original
Parts Description
-
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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Our certification
In stock: 17650
  • Unit Price: $1.838
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $1.838 $1.84
10+ $1.795 $17.95
30+ $1.766 $52.98
100+ $1.738 $173.80
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

24LC512-I/SMG Tech Specifications
Microchip - 24LC512-I/SMG technical specifications, attributes, parameters and parts with similar specifications to Microchip - 24LC512-I/SMG

Product Attribute Attribute Value
Part Number 24LC512-I/SMG
Package -
Description -
Stock Condition Get 17650 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer Microchip Technology
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

How does the 24LC512-I/SMG compare to other EEPROMs in terms of write endurance and data retention for industrial temperature applications?
The 24LC512-I/SMG offers a write cycle endurance of 1,000,000 cycles and a data retention period of 200 years, which significantly exceeds typical requirements for most embedded systems. This level of endurance is well-suited for applications requiring frequent updates, such as logging or configuration storage in harsh environments. When compared to standard commercial-grade EEPROMs with lower endurance ratings, the 24LC512 provides enhanced reliability for long-term deployments without external wear-leveling logic. Its operation over an extended temperature range from -40°C to +85°C further distinguishes it from devices limited to industrial or commercial grades.
What are the implications of the 5ms write cycle time on system design when using the 24LC512-I/SMG for real-time data logging?
With a write cycle time (Tw) of 5ms, the 24LC512-I/SMG introduces a measurable latency during write operations that can impact system responsiveness in time-critical applications. For high-frequency logging scenarios, this delay may necessitate buffer management or asynchronous write scheduling to prevent data loss or timeout errors. In contrast to faster serial memories like FRAM, the 24LC512’s block write duration must be accounted for in firmware design to maintain throughput efficiency.
Can the 24LC512-I/SMG operate reliably at 2.5V while maintaining full I2C compatibility, and how does this affect interfacing with 3.3V microcontrollers?
Yes, the 24LC512-I/SMG supports operation from 2.5V to 5.5V, making it compatible with both low-voltage and standard logic systems. Its I2C interface operates fully within these voltage ranges, allowing direct connection to 3.3V microcontrollers without level shifting under most conditions. However, care should be taken when operating near the lower supply limit—signal integrity and noise margins may degrade slightly at 2.5V, potentially affecting communication stability in electrically noisy environments.
Is the 24LC512-I/SMG suitable for battery-powered applications due to its power characteristics and interface efficiency?
While not explicitly designed as a low-power device, the 24LC512-I/SMG benefits from I2C’s ability to minimize active current draw by allowing the microcontroller to sleep between transactions. Operating at 2.5V reduces static power consumption compared to higher-voltage EEPROMs. Nonetheless, peak current during writes—particularly at lower voltages—can still reach tens of milliamps for brief durations. For ultra-low-power designs, pairing it with a controller that uses burst writes and minimizes access frequency improves overall energy efficiency.
How does the SOIC-8 package of the 24LC512-I/SMG influence PCB layout and thermal performance in compact designs?
The SOIC-8 package offers moderate footprint size and is widely used in space-constrained applications, but its thermal conductivity is limited compared to surface-mount packages with exposed pads. The 24LC512-I/SMG generates minimal heat during normal operation, so thermal dissipation is rarely a concern. However, in dense layouts, adjacent components should avoid routing high-speed signals near the I2C lines due to potential capacitive coupling, which could introduce noise during sensitive read operations.
What precautions should be taken when selecting pull-up resistors for the I2C bus involving the 24LC512-I/SMG?
Proper pull-up resistor values must balance rise time and power consumption on the SDA and SCL lines. Given the 400kHz clock frequency and typical bus capacitance in SOIC-8 implementations, resistor values between 2.2kΩ and 4.7kΩ are commonly used. Using excessively high resistance increases susceptibility to noise, while very low values increase quiescent current. On a shared I2C bus with multiple slaves, the total capacitance and number of devices must be considered to ensure signal edges meet timing requirements specified in the I2C standard.
How does the 512Kbit memory capacity of the 24LC512-I/SMG scale for typical firmware storage needs, and what partitioning strategies are advisable?
The 512Kbit capacity equals 64KB of addressable memory, which is sufficient for storing bootloaders, calibration data, or configuration tables in mid-range microcontrollers. However, it falls short of full application firmware storage. Designers often partition the memory into sectors—for example, reserving one sector for factory settings and another for runtime logging—to enable atomic updates and reduce corruption risk during power loss.
In what scenarios would the 24LC512-I/SMG outperform SPI-based memory alternatives despite its slower write speed?
The 24LC512-I/SMG excels in systems where simplicity and power efficiency outweigh raw throughput. Compared to SPI flash, it requires fewer GPIO pins (only two bidirectional lines vs. four unidirectional), simplifying board routing and reducing pin count in microcontrollers with limited I/O. Additionally, its deterministic write timing and lack of erase-before-write overhead make it preferable for small, frequent data writes like sensor calibration or user preferences in IOT or consumer electronics.
What role does the 200-year data retention specification play in mission-critical systems using the 24LC512-I/SMG?
A 200-year data retention period indicates that stored information remains intact even after decades without power, assuming the device stays within its rated temperature range. This makes the 24LC512-I/SMG ideal for archival or safety-related data such as device serial numbers, warranty codes, or regulatory logs in medical or automotive applications where traceability is essential over product lifecycles exceeding 10–20 years.
Are there any limitations in addressing the full 512Kbit memory space of the 24LC512-I/SMG with common microcontrollers?
Most 8-bit microcontrollers support up to 64KB of external memory via I2C, but the 24LC512’s 64KB size aligns perfectly with this constraint. Larger systems using 16-bit or 32-bit processors can access the entire space, though they typically require additional address line handling or page addressing modes. The device uses 16-byte pages and supports byte-level writes only within those pages, meaning cross-page writes require multiple transactions—a consideration when optimizing firmware access patterns.

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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.

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(Different time frame / countries / package size has different price.)

Delivery Method

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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.
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Electrostatic Discharge Protection and Handling

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Microchip

24LC512-I/SMG

Microchip
41D-24LC512-I/SMG

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

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