MX66L51235FMI-10G

512Mbit SPI NOR Flash, Quad I/O, QPI, 104/133MHz, 2.7-3.6V, 16-SOP, Stacked Die

2345

Effective Inventory
Go to Inquiry

Image for reference only

Manufacturer Part：

MX66L51235FMI-10G

Package：

16-SOP

Brand：
Product Categories：
Quality Commitment
Shipping & Payment
Service & Packaging
Product Manual
Other recommendations you may be interested in.

MSP430F5304IRGZR

MS9282-1

OP2177ARMZ

NJM2068M

NCF3320EHN

NC7SZ126M5X

MT8870DSR1

MCP6S26-I

Description

Product Overview

The MX66L51235FMI-10G is a 512Mbit multi-I/O SPI NOR Flash memory from Macronix, part of the MX66L series featuring stacked die architecture for high density. It supports Single I/O, Dual I/O, and Quad I/O operations up to 104MHz (standard) / 133MHz (enhanced) clock frequencies. The device comes in a 16-SOP (300mil) package, operates from 2.7V to 3.6V, and features QPI mode, Program/Erase Suspend/Resume, Fast Boot (XIP), Advanced Sector Protection, Password Protection, and Secured OTP. Manufactured using 75nm process technology.

Key Specifications

Memory Type FLASH – NOR (Non-Volatile)
Memory Size 512Mbit (64M x 8)
Interface SPI – Quad I/O, QPI
Clock Frequency 104 MHz standard, 133 MHz enhanced
Voltage Supply 2.7V ~ 3.6V
Operating Temperature -40°C ~ 85°C
Package 16-SOP (300mil)
Architecture Stacked die, 4KB sectors
Process Technology 75nm
Endurance 100,000 cycles

Features

  • 512Mbit high-density SPI NOR Flash (stacked die)
  • MXSMIO™: Single/Dual/Quad I/O support
  • Quad Peripheral Interface (QPI) mode
  • 104MHz standard / 133MHz enhanced clock frequency
  • 75nm advanced process technology
  • Uniform 4KB, 32KB, 64KB sectors/blocks
  • Program/Erase Suspend and Resume
  • Fast Boot (XIP) mode for execute-in-place
  • Burst Read with wrap-around
  • Advanced Sector Protection (Individual + Password)
  • Volatile and non-volatile write protection
  • Secured OTP: 4Kbit
  • 256-byte program buffer
  • Adjustable output driver strength
  • SFDP (Serial Flash Discoverable Parameters)
  • RoHS compliant and halogen-free

Applications

  • High-density code and data storage
  • Industrial automation systems
  • Automotive electronics
  • Networking and telecom equipment
  • Set-top boxes and digital TVs
  • Medical equipment
  • Aerospace and defense
  • Data center and storage systems

The MX66L51235FMI-10G is a 512Mbit 3V serial multi-I/O NOR Flash memory from Macronix, the highest density member of the MX66L stacked-die series. It features MXSMIO™ (Serial Multi I/O) technology supporting Single I/O, Dual I/O, and Quad I/O modes, along with QPI (Quad Peripheral Interface) mode for maximum throughput. The device achieves clock frequencies up to 104MHz in standard mode and 133MHz in enhanced mode. Manufactured using 75nm process technology with stacked die architecture to achieve high density in a standard package. The 512Mbit memory is organized as 64M x 8 bits and features uniform 4KB sectors, 32KB blocks, and 64KB blocks for flexible erase operations. Advanced features include Fast Boot mode for XIP (execute-in-place) applications, Program/Erase Suspend and Resume, Burst Read with configurable wrap length, and Advanced Sector Protection with individual block protection and password protection. Security features include 4K-bit secured OTP memory and SFDP compliance. The 16-pin 300mil SOP package provides a familiar form factor for high-density designs. While classified as EOL/Not For New Designs (with MX25L51245G recommended as the 55nm replacement), it remains widely deployed in existing systems.

The MX66L51235F operates as a high-density serial NOR Flash using stacked die architecture, where multiple flash die are stacked vertically within a single package to achieve higher density without increasing the footprint. The device uses 4-byte addressing to access the full 512Mbit memory space, with a command to enter/exit 4-byte address mode. In standard SPI mode, commands and addresses are sent on SI and data is received on SO. In Quad I/O and QPI modes, all four data pins carry data simultaneously, significantly increasing throughput. QPI mode extends this to commands and addresses as well, reducing protocol overhead. The device supports XIP (execute-in-place) mode via Fast Boot, allowing system controllers to execute code directly from the flash without copying to RAM first. Program operations support standard page program and quad page program for faster programming. Program/Erase Suspend/Resume allows temporarily halting operations to perform reads in other sectors. Advanced sector protection provides both individual sector/block protection (non-volatile) and password-protected access, enabling secure storage of sensitive code or data. The status register and configuration register provide detailed control and status information.

Pin Number Pin Name Type Description
1 NC/SIO3 I/O No Connect / I/O3 (alternate pin assignment)
2 VCC Power Power supply 2.7V-3.6V
3 VCC Power Power supply (internal connection)
4-7 NC – No internal connections
8 RESET#/HOLD#/SIO3 I/O Reset/Hold / I/O3 in quad/QPI mode
9 GND Ground Ground connection
10 WP#/SIO2 I/O Write Protect / I/O2 in quad/QPI mode
11 SCLK Input Serial Clock input
12 SI/SIO0 I/O Serial Input / I/O0
13 SO/SIO1 I/O Serial Output / I/O1
14-15 NC – No internal connections
16 CS# Input Chip Select, active low
  • High-density firmware and application code storage
  • Industrial control and automation systems
  • Automotive ADAS and infotainment
  • Enterprise networking and telecom
  • Digital set-top boxes and smart TVs
  • Medical imaging equipment
  • Aerospace and defense electronics
  • Data center storage controllers
Manufacturer Part Number Description
Macronix MX25L51245GMI-08G 512Mbit SPI Flash, 55nm, 133MHz – recommended replacement
Winbond W25Q512JVFIQ 512Mbit SPI Flash, Quad I/O, 133MHz, 16-SOIC
Micron MT25QL512ABB1EW9-0SIT 512Mbit SPI Flash, Quad I/O, 133MHz, 16-SOIC
GigaDevice GD25Q512MEIGR 512Mbit SPI Flash, Quad I/O, 120MHz, 16-SOP
Recommend Parts

MSP430F5304IRGZR

16-bit ultra-low-power MCU, 25MHz, 8KB Flash, 6KB RAM, 10-bit ADC, VQFN-48

Brand:

Package:

VQFN-48 (7.0 x 7.0 x 0.95 mm, 0.5mm pitch, exposed pad)

In stock:

8900pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry

MS9282-1

VGA/YPbPr to HDMI converter, 10-bit ADC, 165MSPS, 1080P@60Hz, I2S/SPDIF audio, LQFP-64

Brand:

Package:

LQFP-64 (10.0 x 10.0 x 1.4 mm, 0.5mm pitch)

In stock:

4200pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry

OP2177ARMZ

Dual precision op-amp, 60µV offset, 0.7µV/°C drift, 1.3MHz GBW, 7.9nV/√Hz noise, MSOP-8

Brand:

Package:

MSOP-8 (3.0 x 3.0 x 0.95 mm, 0.65mm pitch)

In stock:

6500pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry

NJM2068M

Dual JFET-input op-amp, low noise, 8MHz GBW, 5V/µs slew, ±4 to ±18V, SOP-8, audio

Brand:

Package:

DMP-8 / SOP-8 (4.9 x 3.9 x 1.6 mm, 1.27mm pitch)

In stock:

15000pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry

NCF3320EHN

NFC Type 2 Tag IC, ISO 14443A, 1.5KB EEPROM, I2C+SPI host interface, energy harvesting, QFN-32

Brand:

Package:

HVQFN-32 (5.0 x 5.0 x 0.85 mm, 0.5mm pitch)

In stock:

4200pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry

NC7SZ126M5X

Single 3-state buffer, non-inverting, 1.65-5.5V, 3ns delay, ±24mA drive, SOT-23-5

Brand:

Package:

SOT-23-5 / SC-74A (2.9 x 1.6 x 1.0 mm, 0.95mm pitch)

In stock:

25000pcs

Cargo cycle: 3~7 Days
The minimum order is 1

Go to Inquiry
Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • Automotive Electronics: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
  • Medical Devices: High-reliability components meet medical industry safety and compliance regulations, ensuring stable operation for medical equipment.
  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

Contact Us

If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

1. Payment Terms

We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
  1. Accepted Payment Methods
  • T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
  • PayPal: Ideal for small orders, sample orders and quick payments.

  1. Settlement Currency

     

    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

  2. Bank Charges

     

    All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.

  3. Payment Requirements
  • Sample and small orders: Shipment will be arranged upon full payment.
  • In-stock bulk orders: Goods will be delivered within 2 to 3 working days after full payment.

2. Shipping & Delivery

We partner with leading global logistics providers to ensure safe and fast delivery worldwide. Relevant details are listed below:
  1. Logistics Partners
  • International Express: DHL, FedEx, UPS, TNT
  • Economy Logistics: Air freight and sea freight for large-volume cargo
  • Domestic Delivery: SF Express, Yunda Express
  1. Order Processing Time
  • In-stock items: Orders confirmed and fully paid before 14:00 (GMT+8) will be shipped on the same day. All other orders will be dispatched within 1 to 2 working days.
  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
  1. Estimated Transit Time
  • International Express: 3 – 7 working days globally
  • Air Freight: 7 – 12 working days
  • Sea Freight: 25 – 40 working days for heavy and large bulk cargo
  1. Shipping Fee Rules
  • Shipping cost is calculated based on package weight, volume, destination and delivery method.
  • Both freight prepaid and freight collect are available. Please provide your courier account number in advance if you choose freight collect.
  • Free international express delivery is offered for large orders. Terms for long-term partners can be negotiated separately.
  1. Shipment Tracking
     

    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

3. General Order Rules & Notes

  1. MOQ & Sample Service

     

    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

  2. Packaging Standard

     

    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

4. Customs & Liability Statement

  1. Import Duties & Taxes

     

    All import duties, customs clearance fees and local taxes incurred for international shipments shall be borne by the buyer. We will provide complete customs documents to assist you with clearance procedures.

  2. Handling of Lost or Damaged Goods
  • In case of loss or severe damage during transit, please contact us within 48 hours after receiving the tracking information. We will assist you in filing a claim with the logistics provider.
  • We shall not be liable for any losses caused by incorrect delivery address, wrong contact information or the buyer’s refusal to complete customs clearance.

5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
  • Shockproof buffer materials are added for fragile products to ensure transportation safety;
  • Each package is clearly marked with part number, quantity, batch number and specifications for easy inventory counting and management.

2. Classified Professional Packaging

  • Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
  • Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

Online Inquiry Form

Support Excel, PDF, CSV format files for full BOM list quotation

Submit your component procurement and custom packaging needs via the form below. We will provide a detailed quotation and professional solution within 1–8 working hours.

Company
insights
Industries
All Products
Integrated Circuits
C&I Devices
Discrete
Memory Chips
MPUs & MCUs