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HomeProductsIntegrated Circuits (ICs)Memory24LC512T-E/SN
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24LC512T-E/SN - Microchip Technology

Manufacturer Part Number
24LC512T-E/SN
Manufacturer
Microchip Technology
Allelco Part Number
32D-24LC512T-E/SN
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
17,096 pcs available, New & Original
Parts Description
IC EEPROM 512KBIT I2C 8SOIC
Package
8-SOIC
Data sheet
24LC512T-E/SN.pdf
RoHs Status
ROHS3 Compliant
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In stock: 17096

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Specifications

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

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-SOIC
Series -
Package / Case 8-SOIC (0.154", 3.90mm Width)
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 125°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)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.32.0051

Parts Introduction

24LC512T-E/SN Image
24LC512T-E/SN (1)

Manufacturer Part Number

24LC512T-E/SN

Manufacturer

Microchip Technology

Introduction

EEPROM memory chip designed for high-speed and efficient data storage

Product Features and Performance

Non-Volatile EEPROM Memory

512Kbit Memory Size

64K x 8 Memory Organization

I2C Memory Interface for Simple Integration

400 kHz Clock Frequency for Rapid Data Access

Fast Write Cycle Time of 5ms

Quick Access Time of 900 ns

Wide Operating Voltage Range of 2.5V to 5.5V

High Operating Temperature Range from -40°C to 125°C

Durable Surface Mount 8-SOIC Package

Product Advantages

Robust data retention and endurance

Low-power consumption for energy efficiency

Compatible with many microcontrollers for flexible design options

Key Technical Parameters

Memory Size: 512Kbit

Memory Organization: 64K x 8

Clock Frequency: 400 kHz

Write Cycle Time: 5ms

Access Time: 900 ns

Voltage Supply: 2.5V ~ 5.5V

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

High-reliability data storage and retention

Compliance with industry-standard safety protocols

Compatibility

Broad compatibility with various I2C bus standards

Application Areas

Industrial control systems

Automotive electronics

Consumer electronics

Medical devices

Communication systems

Product Lifecycle

Active product status

Not nearing discontinuation

Availability of replacements or upgrades

Several Key Reasons to Choose This Product

Extended temperature range ensures reliability in extreme conditions

High-speed I2C interface enables faster data transfer

Large memory size accommodates complex applications

Support for multiple voltage levels for system flexibility

Reliable EEPROM technology trusted in professional settings

Energy-efficient design minimizing power requirements in usage

Easy to mount SOIC package suitable for compact PCB designs

Widespread industry acceptance and long-term availability

Frequently Asked Questions(FAQ)

How does the 24LC512T-E/SN compare to other 512Kbit I2C EEPROMs in terms of write cycle endurance and voltage compatibility for industrial applications?
The 24LC512T-E/SN offers a typical endurance rating of 1 million write cycles per memory location, which aligns with standard EEPROM reliability expectations for non-volatile storage. Its operating voltage range of 2.5V to 5.5V provides flexibility across various industrial control systems and battery-powered devices. When compared to alternatives like the CAT24C512 or M24512 series, the 24LC512T-E/SN maintains consistent performance at the lower end of this voltage spectrum, making it suitable for systems where power efficiency is critical. However, some newer variants may offer improved endurance or faster write speeds, so evaluating specific application requirements against datasheet parameters such as page write time (5ms) and access time (900 ns) is essential.
What are the implications of using the 24LC512T-E/SN in a high-temperature automotive environment, and how does its temperature rating support system reliability?
The 24LC512T-E/SN is rated for operation from -40°C to +125°C, which directly supports deployment in demanding environments such as automotive under-hood applications or industrial machinery exposed to thermal stress. This extended temperature range ensures stable data retention and functional integrity without derating of key parameters like clock frequency or write cycle performance. In contrast to consumer-grade EEPROMs limited to 85°C, this component avoids the need for external thermal management in harsh conditions, simplifying system design while maintaining compliance with automotive AEC-Q100 standards when used within qualified designs.
Can the 24LC512T-E/SN be substituted with the M24512-DRMN3TP/K in a legacy I2C bus layout, and what timing considerations should be evaluated?
While both the 24LC512T-E/SN and M24512-DRMN3TP/K are 512Kbit I2C EEPROMs with compatible pinouts and similar electrical characteristics, subtle differences in internal architecture may affect timing behavior under fast I2C modes. The 24LC512T-E/SN specifies a maximum clock frequency of 400 kHz, and substituting with another device requires verifying that the alternative supports the same or higher frequency without setup/hold violations. Additionally, page write timing and acknowledge polling behavior can vary slightly between manufacturers. Therefore, even with matching package and interface, a full signal integrity test under actual bus load is recommended before substitution in safety-critical designs.
How does the 64K x 8 memory organization of the 24LC512T-E/SN influence data structure design in embedded firmware, and what alignment considerations apply?
The 24LC512T-E/SN’s 64K x 8 organization means it consists of 65,536 addressable bytes, each accessible via unique I2C addresses. This structure supports straightforward byte-level read/write operations but requires careful consideration of data framing in firmware due to the absence of hardware sector protection. For optimal performance, writes should be aligned to 8-bit boundaries, and page writes (up to 64 bytes per transaction) must respect the 64-byte page boundary to avoid partial updates. Misaligned accesses do not inherently fail but may result in unintended data corruption if not managed through software abstraction layers.
What role does the 8-SOIC packaging play in thermal dissipation and PCB layout constraints for the 24LC512T-E/SN?
The 8-SOIC (0.154", 3.90mm width) package provides compact footprint integration suitable for space-constrained designs, though its small size limits direct heat spreading compared to larger packages. While the 24LC512T-E/SN itself generates minimal power during normal operation, sustained write cycles—each consuming several mA briefly—can raise local junction temperature. Proper PCB layout includes placing decoupling capacitors close to VCC/GND pins and avoiding adjacent high-current traces to minimize noise coupling. Thermal vias under the package are generally unnecessary unless operating continuously near 125°C with dense surrounding components.
Is the 24LC512T-E/SN suitable for battery-backed real-time clock data storage, and what backup mechanisms ensure data persistence?
Yes, the 24LC512T-E/SN is well-suited for storing calibration tables, configuration settings, or RTC registers in battery-backed systems due to its low standby current and reliable non-volatility. Data persistence relies on an external coin cell or supercapacitor maintaining supply voltage above 2.5V during power loss. To prevent data corruption during brownout events, designers often implement a power-fail detection circuit that halts EEPROM writes when voltage drops below a safe threshold. The component itself lacks built-in backup functionality but integrates seamlessly into such supervisory architectures.
How does the Moisture Sensitivity Level (MSL) of 1 for the 24LC512T-E/SN impact handling and shelf life in automated assembly processes?
With an MSL rating of 1 (unlimited floor life), the 24LC512T-E/SN can be stored indefinitely at room temperature and humidity without requiring baking prior to reflow soldering. This simplifies inventory management and supports just-in-time manufacturing workflows common in high-volume electronics production. Unlike components with MSL ratings ≥3, there is no risk of popcorning during reflow even after long-term storage, reducing scrap rates and improving yield in surface-mount lines using lead-free solders.
What distinguishes the 24LC512T-E/SN from volatile memory alternatives in systems requiring persistent state during power interruptions?
Unlike SRAM or DRAM, the 24LC512T-E/SN retains data without continuous power due to its EEPROM technology, eliminating the need for backup batteries or complex refresh logic. This non-volatility ensures critical system states—such as user preferences or fault logs—are preserved across unexpected shutdowns. While SRAM offers faster access (nanoseconds vs. microseconds), it requires external support circuitry for persistence, increasing board complexity and cost. For applications where reliability outweighs speed, the 24LC512T-E/SN provides a robust, self-contained solution within a single IC.
How should engineers validate I2C communication stability when integrating the 24LC512T-E/SN into a multi-device bus topology?
Validation begins with ensuring pull-up resistors meet I2C specifications (typically 1–10 kΩ) based on bus capacitance and supply voltage. The 24LC512T-E/SN supports up to 400 kHz operation, so signal rise times must stay below 300 ns to avoid timing violations. Use an oscilloscope to monitor SCL/SDA waveforms for glitches or excessive ringing, especially near clock edges. Additionally, verify that all devices on the bus have unique addresses and that arbitration logic handles contention correctly. A common pitfall is exceeding the maximum allowable bus capacitance (often < 400 pF), which can degrade performance and cause intermittent failures.
What trade-offs exist between using multiple smaller EEPROMs versus a single 24LC512T-E/SN for distributed data logging in sensor networks?
Consolidating data into a single 24LC512T-E/SN reduces PCB area, simplifies firmware, and minimizes I2C address conflicts compared to deploying multiple smaller EEPROMs. However, this approach increases dependency on one component; failure would erase entire datasets. Conversely, distributing storage across several ICs enhances fault isolation but introduces complexity in addressing and potential skew in write scheduling. For most applications, the 24LC512T-E/SN’s 512Kbit capacity suffices, and wear leveling algorithms can mitigate endurance concerns over time.

Parts with Similar Specifications

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

Product Attribute 24LC512T-E/SN16KVAO 24LC512T-E/MS 24LC512T-I/SN 24LC512T-E/ST14
Part Number 24LC512T-E/SN16KVAO 24LC512T-E/MS 24LC512T-I/SN 24LC512T-E/ST14
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Write Cycle Time - Word, Page - - - -
Memory Size - - - -
Access Time - - - -
Memory Format - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Memory Interface - - - -
Voltage - Supply - - - -
Technology - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Base Product Number - DAC34H84 MAX500 ADS62P42
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Mounting Type - Surface Mount Through Hole Surface Mount
Memory Type - - - -
Memory Organization - - - -
Clock Frequency - - - -

24LC512T-E/SN Datasheet PDF

Download 24LC512T-E/SN pdf datasheets and Microchip Technology documentation for 24LC512T-E/SN - Microchip Technology.

Datasheets
24AA512, 24LC512, 24FC512.pdf
PCN Design/Specification
Die/Moulding Material Chg 21/Jun/2016.pdf
PCN Packaging
Label and Packing Changes 23/Sep/2015.pdf Packing Changes 10/Oct/2016.pdf
PCN Assembly/Origin
Manufacturing Change 07/Apr/2022.pdf

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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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Delivery Cost

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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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24LC512T-E/SN Image

24LC512T-E/SN

Microchip Technology
32D-24LC512T-E/SN

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