About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Embedded - CPLDs (Complex Programmable Logic Devices)LC4064B-75T100I
LC4064B-75T100I Image
LC4064B-75T100I Image - 1
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

LC4064B-75T100I - Lattice Semiconductor Corporation

Manufacturer Part Number
LC4064B-75T100I
Manufacturer
Lattice Semiconductor
Allelco Part Number
98D-LC4064B-75T100I
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
3,737 pcs available, New & Original
Parts Description
IC CPLD 64MC 7.5NS 100TQFP
Package
100-TQFP (14x14)
Data sheet
LC4064B-75T100I.pdf

Getting Started Guide

Product Selector Guide.pdf
RoHs Status
 
Compare
Our certification
In stock: 3737

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

LC4064B-75T100I Tech Specifications
Lattice Semiconductor Corporation - LC4064B-75T100I technical specifications, attributes, parameters and parts with similar specifications to Lattice Semiconductor Corporation - LC4064B-75T100I

Product Attribute Attribute Value
Manufacturer Lattice Semiconductor
Voltage Supply - Internal 2.3V ~ 2.7V
Supplier Device Package 100-TQFP (14x14)
Series ispMACH® 4000B
Programmable Type In System Programmable
Package / Case 100-LQFP
Package Tray
Product Attribute Attribute Value
Operating Temperature -40°C ~ 105°C (TJ)
Number of Macrocells 64
Number of Logic Elements/Blocks 4
Number of I/O 64
Mounting Type Surface Mount
Delay Time tpd(1) Max 7.5 ns
Base Product Number LC4064

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

How does the propagation delay of the LC4064B-75T100I compare to other CPLDs in its series, and what implications does this have for high-speed design applications?
The LC4064B-75T100I features a maximum propagation delay of 7.5 ns, which is typical for the ispMACH® 4000B family and suitable for moderate-speed logic control tasks. While faster variants exist within the same series, such as those with 5 ns delays, the 7.5 ns specification reflects a balance between power consumption and speed. This delay supports applications requiring deterministic timing under 10 ns, such as state machine implementations or simple interface bridging, but may limit use in sub-nanosecond critical paths. Designers should evaluate whether signal integrity margins and clock domain crossings can tolerate this latency without introducing metastability risks.
What are the key differences between the LC4064B-75T100I and the LC4064V-75TN100C in terms of thermal performance and package compatibility?
The LC4064B-75T100I uses a 100-TQFP (14x14) package, while the LC4064V-75TN100C employs a 100-pin TQFP in a slightly smaller footprint variant. Both share identical electrical characteristics, including 64 macrocells and 7.5 ns tpd, but thermal resistance values differ due to minor package variations. The B version may exhibit marginally higher junction-to-air thermal resistance due to lead frame design, impacting long-term reliability in compact systems. PCB layout considerations must account for this when substituting one for the other in thermal-constrained environments.
Can the LC4064B-75T100I be used in automotive-grade temperature applications, and what derating factors apply given its operating range?
The device operates from -40°C to 105°C, which covers many industrial and commercial applications but falls short of full automotive AEC-Q100 qualification. While it may function in automotive environments below 105°C, designers must consider derating of switching speeds and I/O drive strengths near the upper temperature limit. For mission-critical automotive systems requiring extended reliability, additional stress testing and margining beyond datasheet specifications is recommended to ensure consistent performance over time.
How many logic elements does the LC4064B-75T100I contain, and how does that affect resource allocation in a complex digital system?
The LC4064B-75T100I contains 4 logic elements (LEs), each managing multiple macrocells. With a total of 64 macrocells, this allows flexible implementation of combinational and sequential logic functions. In practice, a single LE might implement two macrocells, meaning only four distinct logic blocks are available. This limits parallel processing capabilities compared to larger CPLDs and requires careful partitioning of state machines or data paths across available resources—especially when implementing multi-phase control sequences or wide bus interfaces.
What voltage supply requirements does the LC4064B-75T100I impose, and how should decoupling be managed on the PCB?
The core voltage for the LC4064B-75T100I ranges from 2.3 V to 2.7 V, typically implemented as 2.5 V. This low-voltage operation reduces dynamic power significantly but demands strict voltage regulation. Decoupling capacitors (ideally 100 nF ceramic per power pin with bulk capacitance nearby) must be placed close to the VCC and GND pins to suppress high-frequency noise during switching transitions. Poor decoupling can degrade timing margins and increase susceptibility to electromagnetic interference, particularly given the device’s nanosecond-scale propagation delays.
Is the LC4064B-75T100I suitable for in-system programming in production environments, and what tools are required?
Yes, the LC4064B-75T100I supports in-system programming via ISP header access, enabling field updates and reprogramming without removing the component. Lattice provides ISP-compatible hardware (e.g., Lattice Programming Cable) and software (Lattice Diamond Programmer). However, successful ISP requires proper reset sequencing and adherence to timing constraints during erase/write cycles. Production lines should validate programming success rates and consider redundancy mechanisms if firmware recovery is critical.
What is the moisture sensitivity level (MSL) rating of the LC4064B-75T100I, and what precautions should be taken during assembly?
The LC4064B-75T100I has an MSL rating of 3, indicating it can withstand one reflow cycle after being stored under controlled conditions for up to 168 hours. Once exposed to ambient humidity beyond the floor life limit, it must undergo baking before reflow to prevent popcorning. Assembly facilities should track bake times and storage conditions, especially in high-humidity regions, to avoid latent damage that could manifest as intermittent failures post-assembly.
How does the number of I/O pins on the LC4064B-75T100I impact board routing complexity, and are there any dedicated input/output features?
With 64 bidirectional I/O pins in a 100-pin package, the LC4064B-75T100I offers substantial connectivity for medium-complexity designs. However, all I/Os share common voltage rails and ESD protection structures, so simultaneous switching noise must be managed collectively. Some pins may serve dual purposes (e.g., JTAG or configuration inputs), reducing usable general-purpose I/O count. Routing should minimize crosstalk between adjacent signals by maintaining adequate spacing and using ground planes underneath sensitive traces.
Are there known substitutes for the LC4064B-75T100I, and how do they compare functionally?
A documented substitute is the LC4064V-75TN100C, which shares the same base part number and pinout but uses a slightly different packaging variant. Functional equivalence is high, though slight variations in thermal characteristics may affect long-term reliability in high-density assemblies. When substituting, designers should verify timing closure, power budget, and availability, as neither device is RoHS-compliant and both require careful supply chain validation for new projects.
What is the significance of the "Not Verified" status in the DiGi-Electronics Programmable field for the LC4064B-75T100I?
The "Not Verified" designation indicates that the device has not undergone third-party certification by DiGi-Electronics for use in their reference designs or ecosystems. This doesn’t imply functional inadequacy but means integration into DiGi-approved platforms may lack support documentation or compatibility assurances. Designers relying on DiGi-specific toolchains or validation suites should confirm interoperability separately or select a certified alternative if required.
Given its 7.5 ns propagation delay, what maximum clock frequency can the LC4064B-75T100I reliably sustain in a synchronous design?
Based on the worst-case tpd of 7.5 ns, the theoretical maximum toggle frequency is approximately 133 MHz, assuming zero routing delay. However, real-world implementations include interconnect delays and setup/hold margins, reducing effective usable frequency to around 100–110 MHz. Designers should factor in clock skew, jitter, and fan-out loading when deriving final timing budgets. Conservative estimates often cap usage at 80–90 MHz for robust operation across process corners and temperatures.
Why is the LC4064B-75T100I listed as RoHS non-compliant despite modern manufacturing standards?
RoHS non-compliance arises because certain lead-based finishes or restricted substances used in earlier generations of semiconductor manufacturing have not been updated for newer packages or processes. Although the device meets basic safety requirements, manufacturers cannot guarantee full compliance without redesigning the die attach, mold compound, or plating chemistry. Projects requiring RoHS adherence must avoid this part unless legacy constraints justify its use with appropriate exemptions.
How many macrocells does the LC4064B-75T100I support, and how are they allocated across logic elements?
The LC4064B-75T100I includes 64 macrocells distributed across 4 logic elements. Each macrocell can implement independent logic functions with programmable output configurations. Since each LE typically manages 16–20 macrocells, resource allocation allows for moderate granularity in logic distribution. This architecture supports efficient implementation of small state machines or decoder trees but may require macrocell sharing across LEs for larger combinatorial logic, potentially increasing routing congestion.
What is the base product number for the LC4064B-75T100I, and how does it relate to other variants?
The base product number is LC4064, which encompasses several speed grades and packaging options such as the B and V suffixes. All variants share architectural similarities but differ in timing, power, or pin compatibility. Understanding this hierarchy helps engineers assess scalability within the same CPLD family and plan future migration paths while maintaining design consistency.
Does the LC4064B-75T100I require external configuration memory, and how is configuration data loaded during startup?
No, the LC4064B-75T100I supports in-system programming and can store configuration internally via flash-based cells. On power-up, it loads configuration data directly from its own non-volatile memory without needing external PROM. This simplifies PCB layout and improves system reliability by eliminating single points of failure associated with external configuration devices. Boot-up time depends on configuration size but generally completes within milliseconds.
What ECCN classification applies to the LC4064B-75T100I, and what export restrictions might this imply?
The Export Control Classification Number (ECCN) is EAR99, indicating the device is subject to U.S. Commerce Control List (CCL) Category 5, Part 2 but not individually controlled. This means standard export licensing applies only under certain conditions, and no special authorization is needed for most destinations. Still, exporters must comply with end-use monitoring and destination controls, particularly when shipping to embargoed countries or military end-users.
How should designers handle unused I/O pins on the LC4064B-75T100I to ensure stable operation?
Unused I/Os on the LC4064B-75T100I should be configured as inputs with weak internal pull-ups or pulled down to a known logic level through external resistors. Floating inputs can cause excessive current draw and unpredictable switching, degrading noise margins and increasing power consumption. Proper termination ensures defined states during reset and prevents oscillation in partially connected systems, contributing to overall signal integrity and reliability.
What is the typical power dissipation of the LC4064B-75T100I, and how does it scale with switching activity?
While exact quiescent current isn’t specified in the provided data, typical static currents for 2.5 V operation are in the tens of milliamperes. Dynamic power scales with switching frequency and capacitive load, following the formula P = αCV²f, where α is activity factor. At 100 MHz and moderate utilization, total power could reach 100–200 mW depending on logic density and I/O toggling. Thermal management should account for worst-case conditions, especially near the 105°C junction temperature limit.

Parts with Similar Specifications

The three parts on the right have similar specifications to Lattice Semiconductor Corporation LC4064B-75T100I

Product Attribute LC4064B-75TN100I LC4064B-75TN100C LC4064B-75T100C LC4064B-5TN100I
Part Number LC4064B-75TN100I LC4064B-75TN100C LC4064B-75T100C LC4064B-5TN100I
Manufacturer Lattice Semiconductor Corporation Lattice Semiconductor Corporation Lattice Semiconductor Corporation Lattice Semiconductor Corporation
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Number of Logic Elements/Blocks - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Mounting Type - Surface Mount Through Hole Surface Mount
Delay Time tpd(1) Max - - - -
Number of Macrocells - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage Supply - Internal - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of I/O - - - -
Programmable Type - - - -

LC4064B-75T100I Datasheet PDF

Download LC4064B-75T100I pdf datasheets and Lattice Semiconductor Corporation documentation for LC4064B-75T100I - Lattice Semiconductor Corporation.

Datasheets
Cylindrical Battery Holders.pdf
Getting Started Guide
Product Selector Guide.pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • 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.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

Write a Review

Your Email address will not be published.

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
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
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
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
LC4064B-75T100I Image

LC4064B-75T100I

Lattice Semiconductor Corporation
98D-LC4064B-75T100I

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

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB