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HomeProductsIntegrated Circuits (ICs)Specialized ICs25LC1024T-E/MF
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25LC1024T-E/MF - Microchip

Manufacturer Part Number
25LC1024T-E/MF
Manufacturer
Microchip Technology
Allelco Part Number
41D-25LC1024T-E/MF
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
8,230 pcs available, New & Original
Parts Description
DFN-8
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
Compare
Our certification
In stock: 8230
  • Unit Price: $1.86
  • Subtotal: $0.00

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

Quantity Unit Price Ext. Price
1+ $1.86 $1.86
10+ $1.621 $16.21
30+ $1.478 $44.34
100+ $1.334 $133.40
500+ $1.268 $634.00
1000+ $1.238 $1,238.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

25LC1024T-E/MF Tech Specifications
Microchip - 25LC1024T-E/MF technical specifications, attributes, parameters and parts with similar specifications to Microchip - 25LC1024T-E/MF

Product Attribute Attribute Value
Part Number 25LC1024T-E/MF
Package DFN-8
Description DFN-8
Stock Condition Get 8230 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

Parts Introduction

Manufacturer Part Number

25LC1024T-E/MF

Manufacturer

Microchip Technology

Introduction

The 25LC1024T-E/MF is a high-performance, low-power, Electrically Erasable Programmable Read-Only Memory (EEPROM) device with a memory size of 1Mbit (128K x 8). It utilizes Microchip's advanced CMOS EEPROM technology to provide reliable data storage and retrieval in a compact, surface-mount package.

Product Features and Performance

1Mbit (128K x 8) of non-volatile EEPROM memory

SPI serial interface for data communication

Supports clock frequencies up to 20MHz

Fast write cycle time of 6ms (word or page)

Wide operating voltage range of 2.5V to 5.5V

Extended operating temperature range of -40°C to +125°C

Product Advantages

Reliable data storage with endurance of up to 1 million write/erase cycles

Low power consumption for energy-efficient applications

Compact 8-VDFN Exposed Pad package for space-constrained designs

Easy integration with microcontrollers and other digital systems through SPI interface

Key Reasons to Choose This Product

High-capacity EEPROM storage for your data-intensive applications

Robust performance and extended temperature range for demanding environments

Seamless integration with a wide range of microcontrollers and systems

Microchip's reputation for quality and reliability in the semiconductor industry

Quality and Safety Features

Rigorous quality control and testing processes

Compliance with industry-standard safety and environmental regulations

Compatibility

The 25LC1024T-E/MF is compatible with a wide range of microcontrollers and digital systems that support the SPI serial interface.

Application Areas

Industrial automation and control systems

Automotive electronics

Home appliances and consumer devices

Medical equipment

Telecommunications and networking equipment

Product Lifecycle

The 25LC1024T-E/MF is an active product in our website's sales team's portfolio. There are no immediate plans for discontinuation, and our website's sales team continues to support this product line. Customers are advised to check with our website's sales team or their authorized distributors for the latest product information and availability.

Frequently Asked Questions(FAQ)

How does the 25LC1024T-E/MF handle data retention under extended temperature conditions, and what design considerations are necessary for reliable operation in automotive environments?
The 25LC1024T-E/MF is specified to retain data over its full operating temperature range of -40°C to 125°C, making it suitable for harsh environments such as automotive systems. However, while the device itself maintains electrical integrity across this range, system-level reliability depends on PCB layout, solder joint quality, and voltage regulation. At high temperatures near 125°C, leakage currents can increase slightly, potentially affecting write endurance if sustained writes occur. For automotive applications, it's advisable to derate write cycles by approximately 10–20% compared to room-temperature performance to ensure long-term data integrity.
What is the difference between the 25LC1024T-E/MF and a typical NOR flash in terms of interface protocol and use case suitability for low-power embedded systems?
The 25LC1024T-E/MF uses a serial peripheral interface (SPI) with byte-addressable access, whereas most NOR flashes implement parallel or wider SPI interfaces with block-based erase/write operations. This makes the EEPROM ideal for frequent small-data updates like configuration storage or logging, where flash block erasure would introduce unnecessary latency and wear. In low-power designs, the 25LC1024’s deep power-down modes and sub-μA standby current offer advantages over many flash solutions that consume more active and idle power during standby.
Can the 25LC1024T-E/MF be used in battery-powered IoT nodes requiring daily reconfiguration updates without significant battery drain?
Yes, the 25LC1024T-E/MF supports up to 1 million write/erase cycles per location and consumes only ~3 mA during writes at 5V, which translates to negligible energy cost per update in typical battery scenarios. With an average write time of 6 ms and a supply current around 2–4 mA depending on voltage, even 100 writes per day result in less than 0.1% duty cycle—minimal impact on battery life. Its wide 2.5V–5.5V range also allows efficient operation from single-cell Li-ion sources when paired with a buck-boost regulator.
Is the 25LC1024T-E/MF compatible with 3.3V microcontrollers using SPI, and what level-shifting precautions should be taken if interfacing with a 5V system?
The 25LC1024T-E/MF operates from 2.5V to 5.5V, so direct connection to a 3.3V microcontroller is fully supported. If driving a 5V host controller, bidirectional level shifting is required for all I/O lines—including CS, SCK, MOSI, and MISO—since the EEPROM’s inputs tolerate up to 5.5V but outputs may not safely source higher voltages. A simple resistor divider or dedicated logic-level translator ensures safe communication without risking damage to either side.
How does page write performance compare between the 25LC1024T-E/MF and other SPI EEPROMs like the 25AA series when writing 32-byte segments frequently?
The 25LC1024T-E/MF supports page writes up to 32 bytes with a maximum write cycle time of 6 ms per page. This matches the performance of similar-density SPI EEPROMs such as the 25AA1024, though some variants may offer faster 4 ms write times at lower voltages. Unlike flash memory, no erase step precedes a write, enabling immediate byte updates within a page boundary. However, exceeding the page size without addressing wrap-around causes overwrites in hardware, which must be managed in software to preserve adjacent data.
What precautions should be taken during power-up sequencing to prevent unintended writes or corruption in the 25LC1024T-E/MF?
The 25LC1024T-E/MF includes a power-on reset circuit, but glitches below the minimum VCC threshold can still trigger false commands. To avoid spurious writes, ensure stable power ramp-up above 2.5V before asserting the chip select line, and hold CS high during initial power stabilization. Additionally, implement a delay of at least 100 µs after VCC reaches specification before issuing any commands, as recommended in Microchip’s application notes for robust initialization.
Can multiple 25LC1024T-E/MF devices share the same SPI bus, and how should unique addressing be implemented to avoid conflicts?
Multiple 25LC1024T-E/MF devices cannot share the same SPI bus without external addressing because they lack internal address decoding beyond their fixed capacity. Instead, each device must have a dedicated chip-select (CS) line, and the host controller must assert only one CS at a time. Alternatively, add external address pins (e.g., via GPIO-controlled resistors or a demultiplexer) to differentiate devices, though this increases pin count and complexity compared to using separate CS lines.
What is the impact of repeated write cycles on the 25LC1024T-E/MF’s reliability in industrial control systems with non-volatile logging requirements?
The 25LC1024T-E/MF guarantees 1 million write cycles per memory location under normal conditions. In industrial systems logging sensor data every few seconds, this equates to years of continuous operation assuming daily writes per cell. However, uneven wear distribution can occur if certain addresses are written more frequently than others. Implement wear leveling in firmware—either by rotating writes across a logical block map or distributing data across multiple physical locations—to extend effective lifespan beyond the datasheet-rated minimum.
Does the 25LC1024T-E/MF support hardware write protection, and how can software-based safeguards enhance data security in sensitive applications?
The 25LC1024T-E/MF provides a hardware WP (Write Protect) pin that, when asserted low, disables all write and erase operations regardless of software commands. This offers physical protection against accidental modifications. For additional security, combine this with software write disable commands (e.g., WREN/WRDI sequences) and status register configuration to lock memory regions. However, note that WP alone does not protect against read access; cryptographic authentication or external secure elements are needed for confidential data confidentiality.
How does the package type of the 25LC1024T-E/MF influence thermal performance and soldering profile selection in high-volume SMT assembly?
The 8-DFN-S (6x5) package has an exposed pad for enhanced heat dissipation, improving thermal conductivity during operation. However, its small footprint and fine pitch require precise reflow profiles to avoid tombstoning or insufficient wetting. Standard SAC305 lead-free solder paste and a controlled ramp rate (typically 1–2°C/s up to 150°C) are recommended. The MSL rating of 1 allows unlimited shelf life, simplifying inventory management in automated pick-and-place workflows common in consumer electronics manufacturing.

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Customer Reviews

Evaluation: 10 Articles

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • 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.

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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.
Quality Inspection
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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
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  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
Microchip

25LC1024T-E/MF

Microchip
41D-25LC1024T-E/MF

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

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