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HomeProductsIntegrated Circuits (ICs)Memory24LC515-I/P
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24LC515-I/P - Microchip Technology

Manufacturer Part Number
24LC515-I/P
Manufacturer
Microchip Technology
Allelco Part Number
32D-24LC515-I/P
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
10,543 pcs available, New & Original
Parts Description
IC EEPROM 512KBIT I2C 8DIP
Package
8-PDIP
Data sheet
24LC515-I/P.pdf

PCN Assembly/Origin

2.73KHz.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 10543
  • Unit Price: $4.732
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $4.732 $4.73
10+ $4.155 $41.55
60+ $3.803 $228.18
120+ $3.508 $420.96
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

24LC515-I/P Tech Specifications
Microchip Technology - 24LC515-I/P technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - 24LC515-I/P

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-PDIP
Series -
Package / Case 8-DIP (0.300', 7.62mm)
Package Tube
Operating Temperature -40°C ~ 85°C (TA)
Product Attribute Attribute Value
Mounting Type Through Hole
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 24LC515
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

24LC515-I/P Image
24LC515-I/P (1)

Manufacturer Part Number

24LC515-I/P

Manufacturer

microchip-technology

Introduction

The 24LC515-I/P is a 512Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) device from Microchip Technology, designed with I2C bus interface.

Product Features and Performance

Non-volatile EEPROM technology

512Kbit memory size with 64K x 8 organization

I2C Serial Interface

Clock Frequency of 400 kHz

Write Cycle Time for Word/Page at 5ms

Access Time of 900 ns

Operating at Voltage range 2.5V to 5.5V

Suitable for operating temperatures from -40°C to +85°C

Through-hole mounting for sturdy and reliable installation

Packaged in 8-DIP for easy integration into diverse circuits

Product Advantages

High reliability with EEPROM technology

Large storage capacity within a single component

Flexible interface options with I2C bus

Robust performance in a wide range of environmental conditions

Easy to mount and integrate due to through-hole design

Key Technical Parameters

Memory Size: 512Kbit

Memory Organization: 64K x 8

Memory Interface: I2C

Clock Frequency: 400 kHz

Write Cycle Time: 5ms

Access Time: 900 ns

Voltage Supply: 2.5V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Engineered to meet high-quality standards and reliable operation within specified conditions.

Compatibility

Compatible with systems requiring I2C interface EEPROMs within the specified voltage and temperature range.

Application Areas

Ideal for use in data storage, configuration settings, device calibration information across a range of sectors including industrial, automotive, telecommunications, and consumer electronics.

Product Lifecycle

Currently active; no indication of near-future discontinuation. Availability of replacements or upgrades is sustained.

Several Key Reasons to Choose This Product

High-density storage capability facilitating more data in less space.

Robust operational range of voltage and temperature, making it suitable for harsh environments.

Fast data access and write times improve system performance.

Long-term reliability and durability provided by EEPROM technology.

Compatibility with a wide range of applications and hardware due to standard I2C interface.

Manufactured by Microchip Technology, a leading provider of microcontroller and analog semiconductors, ensuring quality and support.

Frequently Asked Questions(FAQ)

How does the 24LC515-I/P handle power consumption during active write cycles compared to typical EEPROM devices, and what design considerations should be made for battery-powered applications?
The 24LC515-I/P draws approximately 3 mA during active page writes at 5V supply voltage, with write cycle duration of 5 ms per page. This results in an average power consumption of roughly 15 mW during write operations. For low-power designs, it's important to note that while the device enters a standby mode with current draw below 1 µA after each write cycle, frequent writes can significantly impact battery life. Designers should implement write coalescing strategies and consider using the internal page buffer efficiently—writing 16 bytes per page instead of multiple single-byte operations—to minimize total energy expenditure over time.
What are the implications of the 900 ns access time on system timing when interfacing the 24LC515-I/P with a microcontroller running at 8 MHz, and how might this affect real-time data logging applications?
With a maximum access time of 900 ns, the 24LC515-I/P allows for direct polling without requiring high-speed microcontrollers. An 8 MHz MCU with 12-clock instruction cycles can read data within 1.5 µs, providing ample margin above the EEPROM’s access requirement. However, in continuous data logging scenarios where multiple sequential reads occur, the cumulative delay from repeated address setup and acknowledgment signals must be factored into buffer management. The I²C protocol overhead adds additional latency, so systems relying on deterministic response times may benefit from interrupt-driven architectures rather than pure polling.
Can the 24LC515-I/P reliably store critical configuration data across industrial temperature ranges, and what safeguards exist against data corruption during power loss events?
Yes, the 24LC515-I/P is specified for operation from -40°C to +85°C, making it suitable for most industrial environments. It features built-in hardware write protection via the WP pin and software-protected status register bits, including block protection options. Additionally, the device includes a power-fail warning system that monitors VCC and inhibits writes when voltage drops below safe thresholds (typically around 2.7V). While no memory is entirely immune to cosmic radiation or electrostatic discharge, the device meets JEDEC standards for ESD robustness and has demonstrated long-term data retention exceeding 10 years under typical conditions.
How does the 24LC515-I/P compare to modern SPI-based EEPROM alternatives like the AT25SF041 in terms of pin count, interface complexity, and suitability for space-constrained PCB layouts?
Unlike SPI counterparts such as the AT25SF041 (which uses only four pins including CS, SCK, MOSI, MISO), the 24LC515-I/P requires five signal lines (SDA, SCL, A0–A2, and WP) plus VCC and GND, resulting in higher pin count and routing density. However, I²C allows shared bus topologies and simpler wiring harnesses in multi-device systems. In terms of footprint, both use similar 8-pin packages; however, SPI offers faster write throughput (up to 133 MHz vs. 400 kHz) but demands careful impedance control and decoupling near the MCU. For designs prioritizing simplicity and multi-drop capability, the 24LC515-I/P remains advantageous despite its lower bandwidth.
What is the maximum number of unique slave addresses available for the 24LC515-I/P on an I²C bus, and how can address conflicts be avoided in systems using multiple Microchip EEPROMs?
The 24LC515-I/P supports three hardware address pins (A0, A1, A2), providing 8 distinct device addresses when combined with the standard 7-bit I²C base address 0x50. This yields full coverage of all possible combinations from 0x50 to 0x57. To avoid collisions, ensure each EEPROM in the system uses a unique combination of these pins—either hardwired to logic levels or dynamically configured via firmware if supported. Alternatively, some microcontrollers allow remapping of I²C addresses, offering further flexibility without altering hardware.
Is it feasible to perform byte-level write operations directly to the 24LC515-I/P, or must all writes go through the internal page buffer, and what performance trade-offs arise from this architecture?
All write operations to the 24LC515-I/P must pass through its 16-byte internal page buffer. Even single-byte updates require loading the entire target page into the buffer before transmission. This means writing a single byte takes the same 5 ms cycle time as a full 16-byte transfer. Consequently, applications requiring frequent small writes should batch changes into pages to maximize efficiency. Failure to do so increases wear on the memory cells and reduces effective endurance due to repeated erase/write cycles concentrated in fewer physical blocks.
Given its 512 Kbit capacity, how many distinct user-configurable parameters can be stored using the 24LC515-I/P, assuming typical parameter sizes of 16 bytes each, and what alignment considerations apply?
With 64K x 8 organization (65,536 bytes total), storing 16-byte parameters allows up to 4,096 unique entries (65,536 ÷ 16 = 4,096). However, since writes must align to page boundaries (16 bytes), actual usable space may be slightly reduced depending on allocation strategy. If parameters are scattered non-page-aligned, padding may be required. A more efficient approach involves reserving fixed-size regions aligned to page boundaries and managing metadata separately to track valid entries and prevent fragmentation.
How does the moisture sensitivity level (MSL) rating of MSL 1 impact storage and handling procedures for the 24LC515-I/P in high-volume manufacturing environments?
With an MSL 1 rating, the 24LC515-I/P is considered moisture-insensitive and can be stored indefinitely under normal ambient conditions (typically <30% RH, room temperature) without requiring special packaging or baking prior to reflow. This simplifies inventory management and reduces processing steps in assembly lines. However, once removed from its original dry-packaged environment, standard industry practices recommend limiting exposure to no more than 168 hours before soldering, though this is rarely necessary for such robust components.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology 24LC515-I/P

Product Attribute 24LC515-I/SM 24LC515T-I/SM 24LC512T-I/SMG 24LC512T-I/SN
Part Number 24LC515-I/SM 24LC515T-I/SM 24LC512T-I/SMG 24LC512T-I/SN
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Access Time - - - -
Memory Type - - - -
Memory Interface - - - -
Technology - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Clock Frequency - - - -
Memory Organization - - - -
Voltage - Supply - - - -
Memory Size - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Write Cycle Time - Word, Page - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Base Product Number - DAC34H84 MAX500 ADS62P42
Memory Format - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

24LC515-I/P Datasheet PDF

Download 24LC515-I/P pdf datasheets and Microchip Technology documentation for 24LC515-I/P - Microchip Technology.

Datasheets
Cylindrical Battery Holders.pdf
PCN Assembly/Origin
2.73KHz.pdf
PCN Packaging
Label and Packing Changes 23/Sep/2015.pdf Packing Changes 10/Oct/2016.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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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.
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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
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  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
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  • IPC
  • ESD
  • PSMA
24LC515-I/P Image

24LC515-I/P

Microchip Technology
32D-24LC515-I/P

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

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