MX29F040CQI-70G is a Memory from Macronix in LCC packaging. It is commonly reviewed for IC FLASH 4M PARALLEL 32PLCC. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.
Review TrustCompo quality credentials, traceability support, anti-counterfeit handling, and inspection controls before sending an RFQ.
4 certifications
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
RFQ checklist
Order process
Confirm the core buying details for MX29F040CQI-70G before RFQ, PO release, and shipment planning.
1
Confirm MPN
Use the exact part number, manufacturer, package, and approval constraints in the RFQ.
2
Check stock and price
Verify live availability, MOQ, lead time, final unit price, and tax terms before PO release.
3
Align documents
Confirm datasheet, CoC, traceability, lifecycle notes, and inspection scope when required.
4
Arrange shipment
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Before PO release
Part confirmation
Exact MPN confirmed: MX29F040CQI-70G
Package to verify: LCC
Commercial confirmation
Live stock and lead time confirmed by RFQ
Final price and tax terms confirmed before PO release
Fulfillment & documents
Ship-from location: Hong Kong warehouse
Shipping method: DHL, FedEx, UPS, or buyer forwarder account
Product overview
Product overview
Review the sourcing context for MX29F040CQI-70G from Macronix, including product identity, application fit, package notes, and purchasing considerations.
GENERAL The MX29F040C is a 4-mega bit Flash memory organized as 512K bytes of 8 bits. MXICs Flash memories offer the most cost-effective and reliable read/write nonvolatile random access memory. The MX29F040C is packaged in 32-pin PLCC, TSOP, PDIP. It is designed to be reprogrammed and erased in system or in standard EPROM programmers. FEATURES • 524,288 x 8 only • Single power supply operation - 5.0V only operation for read, erase and program operation • Fast access time: 55/70/90ns • Compatible with MX29F040 device • Low power consumption - 30mA maximum active current(5MHz) - 1uA typical standby current • Command register architecture - Byte Programming (9us typical) - Sector Erase 8 equal sectors of 64K-Byte each • Auto Erase (chip & sector) and Auto Program - Automatically erase any combination of sectors with Erase Suspend capability - Automatically program and verify data at specified address • Erase suspend/Erase Resume - Suspends an erase operation to read data from, or program data to, another sector that is not being erased, then resumes the erase • Status Reply - Data# Polling & Toggle bit for detection of program and erase cycle completion • Sector protect/chip unprotect for 5V only system • Sector protection - Hardware method to disable any combination of sectors from program or erase operations - Temporary sector unprotect allows code changes in previously locked sectors • 100,000 minimum erase/program cycles • 100,000 minimum erase/program cycles • Latch-up protected to 100mA from -1V to VCC+1V • Low VCC write inhibit is equal to or less than 3.2V • Package type: - 32-pin PLCC, TSOP or PDIP - All Pb-free devices are RoHS Compliant • Compatibility with JEDEC standard - Pinout and software compatible with single-power supply Flash • 20 years data retention
Technical parameters
Parameters
Compare grouped MX29F040CQI-70G parameters from Macronix, including package, series, key attributes, and technical values used for engineering and sourcing review.
Product Attribute
Part Status
Active
Product Attribute
REACH Status
REACH Unaffected
Product Attribute
ECCN
EAR99
Product Attribute
Lead Free
Lead Free
Product Attribute
Packaging
Tube
Product Attribute
Mounting Type
Surface Mount
MX29F040CQI-70G Product Attribute
Parameter
Value
Part Status
Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status.
Active
REACH Status
Shows whether the component complies with the EU REACH regulation. Essential for legal market access in Europe. Check the manufacturer's latest statement to confirm that no substances of very high concern are present above the threshold.
REACH Unaffected
ECCN
Export Control Classification Number assigned by the U.S. government. Determines whether the component requires an export license. Essential for international trade compliance. Verify the ECCN with the manufacturer or supplier before shipping to avoid legal issues.
EAR99
Lead Free
Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations.
Lead Free
Packaging
Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility.
Tube
Mounting Type
Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements.
Surface Mount
Published
Published indicates the date when the product data was released or updated in the catalog. It helps buyers assess the freshness of the information and whether the component is current or possibly obsolete. Check the datasheet for the latest revisions.
2004
Factory Lead Time
Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions.
10 Weeks
Categories
Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class.
Integrated Circuits (ICs)
Peak Reflow Temperature (Cel)
Maximum temperature during reflow soldering that the component can withstand. This is critical for solder joint reliability and preventing damage. Verify that the peak reflow temperature is compatible with your soldering profile and the component's moisture sensitivity level.
260
Supply Voltage
Specifies the nominal operating voltage that must be applied to the component for proper function. Verify this value against your system's power rail and the datasheet's absolute maximum ratings to ensure reliable operation and avoid damage.
5V
Terminal Position
Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line.
QUAD
Operating Temperature
Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings.
-40°C~85°C TA
Memory Organization
Specifies the internal arrangement of memory cells, typically expressed as words by bits. This affects how data is accessed and stored. Engineers compare this to ensure compatibility with their system's bus width and addressing scheme. Always verify against the datasheet for exact configuration.
512Kx8
Number Of Functions
Specifies the count of independent functions or channels integrated into a single component package. This helps engineers determine if the part can handle multiple signal paths or operations simultaneously. Verify against the datasheet to ensure the device meets your circuit's functional requirements.
1
Operating Supply Voltage
Specifies the voltage range within which the component operates correctly. Check the datasheet to ensure your power supply meets the minimum and maximum limits, as exceeding them can damage the device or cause malfunction.
5V
Radiation Hardening
Indicates if the component is designed to withstand ionizing radiation in space, nuclear, or high-energy physics applications. Compare radiation-tolerant vs. radiation-hardened parts for mission-critical designs. Verify the total ionizing dose (TID) and single-event effect (SEE) ratings in the datasheet.
No
Reflow Temperature-Max (S)
Maximum time the component can be exposed to the peak reflow temperature during soldering. Exceeding this duration may cause damage or degrade reliability. Ensure your soldering profile stays within this limit and check the datasheet for exact conditions.
40
Mounting Type
Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities.
Surface Mount
Pb-Free Code
Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance.
yes
Terminal Pitch
Terminal pitch is the center-to-center distance between adjacent leads or pads on a component. It determines PCB layout compatibility and soldering feasibility. Verify against the datasheet to ensure your footprint matches the component's actual lead spacing.
1.27mm
Nominal Supply Current
Typical current drawn from the supply under nominal operating conditions. Compare this value across similar components to estimate power consumption and thermal behavior. Always verify against the datasheet for your specific voltage and load conditions.
30mA
Memory Type
Defines the underlying technology used for data storage, such as SRAM, DRAM, or Flash. Determines volatility, speed, and endurance. Choose based on your application's need for persistence and access speed.
Non-Volatile
Number Of Terminations
Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity.
32
Number Of Pins
Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection.
32
Pin Count
Total number of pins or terminals on the component package. Essential for footprint design, PCB layout, and connector mating. Verify against the datasheet to ensure compatibility with your board and assembly process.
32
Voltage
Indicates the maximum voltage the component can withstand or operate at, depending on context. Critical for ensuring the part is not overstressed in your application. Always compare with your circuit's voltage levels and consider transient spikes.
5V
Data Polling
Data polling is a method used in memory devices to verify that a write operation has completed. It involves reading a specific data bit until it matches the expected value. Engineers compare this feature to ensure reliable programming and to avoid premature read operations.
YES
Memory Interface
Specifies the protocol or bus standard used to connect the component to external memory. Common types include SPI, I2C, parallel, and DDR. Verify compatibility with your host controller and memory device to ensure proper communication and data transfer rates.
Parallel
Sub-Categories
Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application.
Memory
Command User Interface
Interface for sending commands to a device, typically for configuration or control. It defines the protocol and command set. Engineers compare this to ensure the device can be integrated with their system. Verify the command set and response timing in the datasheet.
YES
Sync/Async
Indicates whether the component operates in synchronous or asynchronous mode. This affects timing, clocking, and data transfer protocols. Verify the mode against your system requirements and the datasheet to ensure proper integration and performance.
Asynchronous
Toggle Bit
A status bit that toggles state to indicate a change in device condition, such as program completion or error. It is used for polling or interrupt generation. Engineers monitor this bit to track device status. Check the datasheet for its behavior and timing.
YES
Memory Format
Specifies the internal organization of the memory device, such as DRAM, SRAM, or Flash. This affects how data is accessed and stored. Verify the format against your application requirements and the datasheet to ensure compatibility with your system's memory controller.
FLASH
Word Size
Specifies the number of bits in a single data word for memory or processor components. Compare word sizes when selecting devices for data throughput and processing capability. Verify the exact word size in the datasheet to ensure compatibility with your system architecture.
8b
Endurance
Indicates the number of program/erase cycles a memory device can withstand before performance degrades. This is critical for flash and EEPROM in applications with frequent writes. Engineers compare endurance to ensure data retention and reliability over the product's lifetime. Verify the specified endurance rating in the datasheet.
100000 Write/Erase Cycles
Address Bus Width
Specifies the number of address lines used to access memory or registers. Wider buses address more locations, affecting maximum memory capacity. Verify against the datasheet for compatibility with your microcontroller or processor design.
19b
Memory Width
Specifies the number of bits transferred simultaneously between the memory device and the controller. Wider buses enable higher data throughput. Verify this parameter against the datasheet to ensure compatibility with your system's bus architecture and expected performance.
8
Write Cycle Time - Word, Page
Specifies the duration needed to program a single word or a page in non-volatile memory. Compare this timing when selecting EEPROM or flash devices for write-intensive applications. Verify against the datasheet to ensure your system meets the required write throughput.
70ns
Access Time (Max)
Maximum time required to read or write data in memory devices. Lower values indicate faster performance. Critical for timing analysis in digital systems. Verify against the datasheet to ensure it meets your system's speed requirements.
70 ns
Standby Current-Max
Maximum current drawn by the component when in standby or sleep mode. Lower values extend battery life in portable designs. Verify against datasheet conditions, as standby current can vary with supply voltage and temperature.
0.000005A
Series
Indicates the product series or family, grouping components with similar design and specifications. Helps identify compatible parts and compare within a product line. Verify the series against the datasheet to ensure correct application.
MX29F
Technology
Manufacturing technology or process used for the component, such as thin film, thick film, or semiconductor process. Affects performance, stability, and cost. Confirm the technology matches your application requirements and environmental conditions.
FLASH - NOR
Manufacturer
Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.
Macronix
Sector Size
Specifies the smallest erasable block size in memory devices. Compare sector sizes when selecting flash or EEPROM for firmware updates or data storage. Verify against the datasheet to ensure compatibility with your file system and wear-leveling requirements.
64K
Package / Case
Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility.
32-LCC (J-Lead)
Number Of Sectors/Size
Specifies the number of sectors and their individual size for rotary switches or encoders. This attribute helps engineers determine the number of positions and the angular spacing between them. Verify against the datasheet to ensure compatibility with your control panel or circuit design.
8
Length
Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design.
14.05mm
Manufacturer'S Part No.
The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation.
This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning.
e3
RoHS Status
Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details.
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions.
3 (168 Hours)
ECCN Code
Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally.
3A991.B.1.A
HTSUS
Harmonized Tariff Schedule of the United States code for customs classification. Essential for import/export documentation and duty calculation. Verify the correct code with a trade specialist to avoid customs delays.
8542.32.0071
MX29F040CQI-70G Product Parameter
Parameter
Value
Terminal Finish
Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance.
Matte Tin (Sn)
Memory Density
Total storage capacity of the memory chip, typically expressed in bits or bytes. Compare densities to match your application's code and data requirements. Verify against the datasheet to ensure sufficient headroom for firmware and runtime variables.
4 Mb
Power Supplies
Specifies the required power supply voltages for the component. Engineers use this to ensure the board's power rails match the device's needs. Verify against the datasheet's recommended operating conditions to avoid undervoltage or overvoltage issues.
5V
Supply Voltage
Specifies the range of DC or AC input voltage the component requires for proper operation. Engineers compare this to the system power rail to ensure compatibility. Always verify against the datasheet's absolute maximum ratings to prevent damage.
4.5V~5.5V
Memory Size
Indicates the total storage capacity of the memory device, typically in bits or bytes. Buyers use this to match firmware or data storage requirements. Confirm the exact organization and density in the datasheet before design-in.
4Mb 512K x 8
MX29F040CQI-70G Package Parameter
Parameter
Value
Height Seated (Max)
Maximum vertical dimension from the seating plane to the top of the component body. Critical for PCB clearance and enclosure fit. Verify against the datasheet when designing mechanical constraints or checking compatibility with mating parts.
3.55mm
Datasheet preview
Datasheet PDF viewer
Preview the MX29F040CQI-70G datasheet from Macronix to check package, electrical characteristics, application notes, and document evidence before RFQ.
No public product notice document is currently displayed for MX29F040CQI-70G. Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.
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Targeted answers for buyers verifying the exact MX29F040CQI-70G ordering code, packaging, stock, datasheet, and replacement path.
What does MX29F040CQI-70G mean?
MX29F040CQI-70G is the exact ordering code listed for a Memory component from Macronix. The current package reference is LCC, with listed context including IC FLASH 4M PARALLEL 32PLCC. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.
How should buyers verify the MX29F040CQI-70G ordering code?
Treat MX29F040CQI-70G as the full ordering code during RFQ and engineering review. Confirm the listed LCC package, manufacturer documentation from Macronix, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.
What package is MX29F040CQI-70G supplied in?
MX29F040CQI-70G is currently listed with package reference LCC from Macronix. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.
Is MX29F040CQI-70G currently available?
MX29F040CQI-70G is currently marked with stock availability on this page. Before ordering, confirm the package (LCC), listed stock (14978), available quantity (82323), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.
Where can I compare MX29F040CQI-70G alternatives?
A mapped alternative list is not currently published for MX29F040CQI-70G. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.