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The 8 Best clock integrated circuits of 2025

Are you trying to find clock integrated circuits among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling clock integrated circuits on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 14 hours of research and did 66 clock integrated circuits tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best clock integrated circuits you can buy today

SaleNo. 1
Monolithic Phase-Locked Loops and Clock Recovery Circuits: Theory and Design
2 Consomer Reviews
Monolithic Phase-Locked Loops and Clock Recovery Circuits: Theory and Design
  • Hardcover Book
  • English (Publication Language)
  • 508 Pages - 04/18/1996 (Publication Date) - Wiley-IEEE Press (Publisher)
SaleNo. 2
Phase-Locked Frequency Generation and Clocking: Architectures and circuits for modern wireless and wireline systems (Materials, Circuits and Devices)
1 Consomer Reviews
Phase-Locked Frequency Generation and Clocking: Architectures and circuits for modern wireless and wireline systems (Materials, Circuits and Devices)
  • Hardcover Book
  • English (Publication Language)
  • 736 Pages - 06/09/2020 (Publication Date) - The Institution of Engineering and Technology (Publisher)
No. 3
6-Digit Digital Circuit Clock Production Kit Electronic Training Parts Skills Competition Training Material Welding Making Kit
  • Suitable for electronic DIY electronic hobby beginners to learn and practice welding.
  • This circuit uses a quartz crystal oscillator as the time base pulse oscillator, and obtains the second time base signal after digital frequency division. The time is displayed by the counter, decoder and display. Because the crystal oscillator is used as the time base pulse, so the time is accurate.
  • Second, minute, and hour counter circuits use double BCD synchronous up counter CD4518 to count and output BCD code. The BCD code displays the corresponding number through CD4511. The second and minute counters are 60-digit count and 24-hour count.
  • Input voltage:5V.The circuit does not have a power-off memory time function, and the time needs to be recalibrated after power-off.
  • One year warranty, your satisfaction is our pursuit. Any questions about our clock making kit, contact with us at any time.
No. 4
DAOKAI 4 Bits Digital Electronic Clock DIY Kits MCU Digital Clock PCB Soldering Practice Board Clock Parts Components for Curriculum Practice Welding Practice
  • Product: 4 Bits Digital Electronic Clock DIY Kits, Supply voltage: 3V-6V, High quality PCB board,the connection that was clearly mapped and labeled on the board makes it easy to assemble.
  • Function: With clock, time setting, alarm setting, countdown, stopwatch, counter, hourly timekeeping, precise time display, 24-hour system and other functions.At the same time it can help you learn more about electronics expertise.
  • Special reminder: If you use it for a long time, it is recommended to use a DC power supply, because if you use ordinary 3 AA batteries, the power consumption will be faster, and it is not suitable for long-term use.
  • Note: This product is DIY kits, not the end product! This Soldering Project requires basic electronic knowledge and hands-on ability.
  • Package includes: You will get 1 x 4 Bits Digital Electronic Clock DIY Kits, Dimensions of PCB board: 54 x 51mm / 2.12 x 2.01in
SaleNo. 5
Principles of VLSI RTL Design
  • Used Book in Good Condition
  • Hardcover Book
  • Sanjay Churiwala (Author)
  • English (Publication Language)
  • 200 Pages - 05/12/2011 (Publication Date) - Springer (Publisher)
No. 6
Luejnbogty DIY In14 In4 Nixie Tube Clock Digital LED Clock Circuit Board Kit, PCBA
  • 3,Support seven clock color display (containing RGB lamp).
  • 5, using integrated IC drive program, the display is more stable and reliable
  • 1, input: Micro-USB 5V 1A;2, using STM8S005 as the main control, built-in procedures, welding light pipe can be used directly.
  • 4, the use of high-precision clock chip, a year less than 1 minutes error
  • 6: function: 24 hour mode, time display, anti poisoning program (every 10 minutes refresh the monitor), no alarm, remote control is not supported
No. 7
DIY Electronic Clock kit 6 bit Digital Circuit Clock Soldering kit Skill Contest Training Materials for Adults
  • Accurate time: This circuit uses a quartz crystal as the time base pulse oscillator, and obtains the second time base signal through digital frequency division. The time is then displayed through a counter, decoder and display. Since the crystal is used as the time base pulse, the timekeeping time is accurate.
  • Seconds Signal Generator: Composed of CD4060 and CD4013, it generates and time reference signal with a frequency of 1 Hz. CD4060 is a 14-stage binary counter/frequency divider/oscillator. It is composed of 32768Hz oscillator with external resistor, capacitor and quartz crystal, and 14-level binary frequency divider, and then an additional level of D flip-flop (CD4013) binary frequency divider, outputting 1Hz time base second signal.
  • Seconds, minutes, hours counter circuit :used double BCD synchronous plus counter CD4518 counting output BCD code, through the CD4511 will be the BCD code to display the corresponding figures, seconds, minutes counter is 60 decimal counting, hours is 24 decimal counting.
  • CD4511 decoder drive digital tube: seconds calibration using the waiting calibration method, switch S3 up toggle, normal time. S3 dialled down to "stop", when the standard time arrives, it will be dialled up immediately to restore normal time. The minutes and hours are calibrated by directly inputting pulse signals through the switch, and each time the switch is pressed, a number of times is added.
  • widely used in schools to help students learn basic mechanical and electronic skills.Through the analysis of the circuit, understand the working principle of the circuit, learn to train electronic skills, welding training.
No. 8
NTE Electronics NTE1624 Integrated Circuit, AM/FM Radio Circuit with Power Amp, 11V, 16-Lead DIP
  • Package Dimensions: 15.2 H x 2.5 L x 5.1 W (centimetres)
  • Package Weight: 0.023 kilograms
  • Country of Origin : Japan
  • Unit count: 1.0
SaleNo. 9
YORTOT 16" Digital Wall Clock Gym Timer with 7 Colors Light & Remote Control - Larger LED Display with Indoor Temperature | Date, Workout Timer with Count Down & Up | Stopwatch for Home Gym Garage
  • 🕝【𝟱 𝗜𝗻 𝟭 𝗥𝗲𝗺𝗼𝘁𝗲 𝗖𝗼𝗻𝘁𝗿𝗼𝗹𝗲𝗱 𝗢𝘃𝗲𝗿𝘀𝗶𝘇𝗲 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗪𝗮𝗹𝗹 𝗖𝗹𝗼𝗰𝗸】 - Combines 𝗖𝗹𝗼𝗰𝗸 + 𝗧𝗶𝗺𝗲𝗿 + 𝗖𝗮𝗹𝗲𝗻𝗱𝗮𝗿 + 𝗧𝗲𝗺𝗽𝗲𝗿𝗮𝘁𝘂𝗿𝗲 + 𝗡𝗶𝗴𝗵𝘁 𝗟𝗶𝗴𝗵𝘁 in one. With a superbly clear LED screen and 4.4""jumbo digit, allowing you easy to read from far away. And the remote control makes clock handy to set everything. More practical features than other products, affordable price.
  • 🔆【𝟱 𝗟𝗲𝘃𝗲𝗹 𝗗𝗶𝘀𝗽𝗹𝗮𝘆 𝗗𝗶𝗺𝗺𝗲𝗿】 - Get your personal comfort brightness by remote control. The big digital wall clock displays time, month/day, day of week, the indoor temperature(℃/℉).
  • ⏱ 【𝗠𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝗧𝗶𝗺𝗶𝗻𝗴 𝗠𝗼𝗱𝗲𝘀 】 - 𝗖𝗼𝘂𝗻𝘁𝗱𝗼𝘄𝗻/𝘂𝗽 𝘁𝗶𝗺𝗶𝗻𝗴, 𝗘𝗠𝗢𝗠(𝗹𝗼𝗼𝗽 𝗰𝗼𝘂𝗻𝘁𝗱𝗼𝘄𝗻) 𝗮𝗻𝗱 𝗦𝘁𝗼𝗽𝘄𝗮𝘁𝗰𝗵.You can know how many times you have cycled through EMOM. It's great for home, gym, office, kitchen,classroom.
  • 💡【𝟳 𝗠𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝗖𝗼𝗹𝗼𝗿𝘀 𝗡𝗶𝗴𝗵𝘁 𝗟𝗶𝗴𝗵𝘁 𝘄𝗶𝘁𝗵 𝗗𝗶𝗺𝗺𝗮𝗯𝗹𝗲】- Choose from 7 different light color options to makes to create a great atmosphere. Along with the 4-level brightness control. You can adjust brightness or turn it off.
  • 🔨【𝗖𝗼𝗻𝘃𝗲𝗻𝗶𝗲𝗻𝘁 𝗪𝗮𝗹𝗹 𝗠𝗼𝘂𝗻𝘁 𝗮𝗻𝗱 𝗙𝗼𝗹𝗱-𝗼𝘂𝘁 𝗦𝘁𝗮𝗻𝗱】- The clock features 3 equally spaced keyholes for easy mounting on a wall. A fold-out stand is also present at the back, to easily prop it on top of a table.
  • 🔌【𝗢𝘂𝘁𝗹𝗲𝘁 𝗣𝗼𝘄𝗲𝗿𝗲𝗱 𝗮𝗻𝗱 𝗠𝗲𝗺𝗼𝗿𝘆 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻】- Outlets powered (included) or back it up with 2 *AAA battery ( not included) in case of power outage to save your time. During battery backup, the screen goes blank.
  • 【𝐖𝐡𝐚𝐭 𝐘𝐨𝐮 𝐆𝐞𝐭】- YORTOT 16" Digital Wall Clock Timer, remote control, power adapter(9.18ft), center guide for screw holes template, 3 screws, user manual.
No. 10
GymNext Flex Timer - Home Edition - Bluetooth App-Controlled Wall Mounted 13" LED Gym Clock with Medium 2.3" Digits for CrossFit, Tabata, HIIT, EMOM, MMA, Boxing, Interval Training, Circuits, Workouts
  • [GREAT FOR ALL GYMS AND WORKOUTS] - Use the Flex Timer in your home gym, garage gym, CrossFit box, commercial/chain gym, high school, team workout facility, boxing or MMA studio, and so much more. With 11 main timer modes (including Standard Count Up/Down, Round, Interval, Tabata, EMOM, Work-to-Rest Ratio, Multi-Segment, and Laps/Stopwatch) and various sizes of crystal clear LED displays, there is a Flex Timer for everyone!
  • [UNMATCHED IN CUSTOMIZABILITY] - The Flex Timer allows for extreme personalization so you can fine-tune the settings to your personal needs by changing the length of your rest or work intervals, the number of intervals, programming additional rest periods, repeating common structures, and much more. The Flex Timer goes above and beyond the competition so you can too.
  • [SIMPLE TO USE APP] - Connect quickly and reliably to your Flex Timer via Bluetooth with almost any iOS or Android device. Quickly choose a recently-used timer, an old favorite, or select a pre-made workout and customize it to your needs. Our customers rave about the ease of use and reliable connection that let’s them focus on their workout and not the timer.
  • [SYNCS WITH YOUR BLUETOOTH SPEAKERS] - Your interval cues can be played through your speakers alongside your music. The Flex Timer will automatically fade your music in and out so that you don’t miss your interval cue and can get back to working out. Or, simply use the built-in buzzer to stay on top of your workout.
  • [LINK YOUR FLEX TIMERS TOGETHER] - The Flex Timer app wirelessly synchronizes the timer across multiple Flex Timer displays. Great for competition timing, larger gyms, or gyms with multiple rooms. Additionally, you can cast your timer onto a TV monitor using ChromeCast or AppleTV.
No. 11
Mixed-Signal Circuits (Devices, Circuits, and Systems)
  • English (Publication Language)
  • 420 Pages - 03/31/2021 (Publication Date) - CRC Press (Publisher)
SaleNo. 12
A Practical Approach to VLSI System on Chip (SoC) Design: A Comprehensive Guide
  • Hardcover Book
  • Chakravarthi, Veena S. (Author)
  • English (Publication Language)
  • 366 Pages - 12/14/2022 (Publication Date) - Springer (Publisher)
No. 13
8PCS Red Green White Yellow Blue Colors 0.56" LED Display Digital Tube Decimal 7 Segment 4 Digit Clock Double Dots Module Serial Driver Board (Blue)
  • 8PCS Red Green White Yellow Blue Colors 0.56" LED Display Digital Tube Decimal 7 Segment 4 Digit Clock Double Dots Module Serial Driver Board
No. 14
DIY Electronic Clock kit 4 Digital Tube Green LED time Week Temperature Date Display with Shell DIY sodering Project
21 Consomer Reviews
DIY Electronic Clock kit 4 Digital Tube Green LED time Week Temperature Date Display with Shell DIY sodering Project
  • DIY soldering clock kit with 4 digital green LED, can set for clock,time, temperature, date, week display, 3 kinds display mode: time-temperature; time-date-week;time-temperature-date-week.
  • Time display mode:12/24H,can set the whole daytime prompt,default 7:00-21:00.With clock correction function to improve clock accuracy.
  • The clock can set 3-way alarm, and the alarm can be set to work from Monday to Friday. Temperature display can be set in Celsius or Fahrenheit, with three built-in music (To Alice, Ode to Joy, Spanish Matador).Adjustable brightness, you can also set the automatic brightness.
  • Single chip microcomputer:IAP15W413AS or STC8G1K17,Clock IC:DS1302.5ppm high-precision crystal oscillator, plus time error correction function, constitute a high-precision clock.
  • Tutorials: Package includes paper instructions and web page with step-by-step soldering pictures and videos. Low soldering difficulty by using direct plug components.widely used in schools to help students learn basic mechanical and electronic skills.Through the analysis of the circuit, understand the working principle of the circuit, learn to train electronic skills, welding training.
SaleNo. 15
4-Digit Digital Clock Soldering Project Kit for Learning Practicing Teaching Electronics, Great STEM Project and Gift
  • Great School and Home Education Project Kit – It is a simple and practical soldering project kit,which is very friendly to starters to practice soldering skills. It's also a great electronic project tool for teachers to teach related electronics.
  • Easy to Solder - Clear marks and big pads on the board make things easy for you. With the STEP-BY-STEP full-color instruction manual, you don’t need worry anything.
  • High Quality - Fiberglass board with black oil could make it fast heat dissipation and high hardness. Using a high-quality digital big tube, after soldering, you will get an electronic clock that you make by yourself.
  • Useful and Beautiful - It’s not only for being a practicing soldering skills kit, but also for being using. The beautiful arcs on both sides of the board will give you a pleasure feeling.
  • 2 Power Supply Options – 2 AA battery might be needed, or use DC 5v power cord would be great too. If you have any questions, please feel free to let us know. Thank you!
No. 16
Dingdong Store DIY Electronic Clock Kit, Soldering Practice DIY Timer Kit Digital Clock
  • 【Electronic Digital Clock Kit】: This is a clock with transparent case and power cable. Optional Functions: Precise temperature measurement, precise time measurement, power-off memory, alarm setting (can be turned off), and light control (can be turned off).
  • 【With English Installation Instruction】: Please check the components refer to the product list before installation. The components are small, please keep it out of the reach of children. Please test the LEDs before installation. Please read the English installation instruction before installation.
  • 【Easy to Assemble】: The connection that was clearly mapped and labeled on the board makes it easy to assemble. And you can refer the marks on PCB board to soldering each component. If it can't work after soldering, please contact us for support.
  • 【Great Soldering Science Project】: This soldering DIY kit help you understand the basics of working with printed circuit boards and become familiar with a variety of electronic components, and practice soldering skills enjoyably for you and your kids, or students, or DIYers.
  • 【Perfect After-Sale Service】: Please read the User Manual before installing. Our policy is to make our customers happy. If you are not 100% satisfied, just contact our customer service, we will refund your money.
No. 17
MiOYOOW 6-Digit DIY Digital Clock Kit - Electronic Alarm Clock for Beginners - Soldering Practice Learning With USB Cable and English Manual for College High School Education
  • ⏰【Great School Science Project】: The DIY Clock Kits are used to installed to a 6-Digit Digital Electronic Clock. It is widely used in schools to help students learn basic mechanical and electronic skills. It's a great Science Fair project. Highly recommended to practice soldering skills enjoyably for you.
  • ⏰【Easy Assembly】: In addition to teaching basic mechanical and electronic principles, the clock kit is easy to build and is so simple. The connection that was clearly mapped and labeled on the board makes it easy to assemble. It's often used to teach basic soldering skills. It's a great first kit for any STEM student. No programming is required.
  • ⏰【Wide Time Functions】: Wide functions with clock, time set, alarm set, countdown timer, stopwatch, counter, hourly chime, precise time display, and 24 hours format. Accurate Travel Time--the error range ±1 sec every 24 hours.
  • ⏰【Parameters】: This Electronic Clock Kit is equipped with AT89C2051 master chip. Military-Grade FR-4 PCB board(Size: 3.94"x2.17"(100x55mm)). Comes with a USB cable for DC 5~12V voltage input, plug and play. There are two additional wiring ports for external signal sources.
  • ⏰【Perfect After-Sale Service】: This product is DIY kits, not the end product! This Soldering Project requires basic electronic knowledge and hands-on ability. Please read the manual before soldering. Any issues, please do not hesitate to contact us directly for further help.
No. 18
DAOKI Digital Clock DIY Kit 6Bits C51 AT89C2051 Chip Electronic Alarm Clock Kit PCB Board Soldering Practice FR-4 for Arduino with Battery Holder
10 Consomer Reviews
DAOKI Digital Clock DIY Kit 6Bits C51 AT89C2051 Chip Electronic Alarm Clock Kit PCB Board Soldering Practice FR-4 for Arduino with Battery Holder
  • 【Great School Science Project】: The DIY Clock Kits are used to installed to a 4-Digit Digital Electronic Clock. It is widely used in schools to help students learn basic mechanical and electronic skills.
  • 【Easy Assembly】: In addition to teaching basic mechanical and electronic principles, the clock kit is easy to build and is so simple.
  • 【Wide Time Functions】: Wide functions with clock, time set, alarm set, countdown timer, stopwatch, counter, hourly chime, precise time display, and 24 hours format. Accurate Travel Time--the error range ±1 sec every 24 hours.
  • 【Specification】: This Electronic Clock Kit is equipped with AT89C2051 master chip. Military-Grade FR-4 PCB board (Size: 7"x2"(92x49mm)). Comes with a 150mm power supply wire for DC 7~12V voltage input, typical applications is 9V.
SaleNo. 19
Skew-Tolerant Circuit Design (The Morgan Kaufmann Series in Computer Architecture and Design)
  • Used Book in Good Condition
  • Harris, David (Author)
  • English (Publication Language)
  • 300 Pages - 06/05/2000 (Publication Date) - Morgan Kaufmann (Publisher)
No. 20
Gikfun Colorful Digital LED Electronic Alarm Clock DIY Kits Soldering Practice Learning Project EK1973
  • This DIY assemble kits is equipped with 4 digits LED module, it's fun to build and also help you learn more professional knowledge about electronics.
  • The diy electronic clock can display Time, Date, Temperature. The brightness can be set to automatically adjust, You can set your favorite color, you can also automatically change color.
  • With power-off memory and alarm clock function, and contains 3 music adjustable. The 4- digit digital electronic clock can also accurately measure temperature.
  • 5V DC power supply,
  • Please note,this soldering kit requires certain foundation of basic electronic theoretical knowledge and welding and hands-on ability.

How to choose a good clock integrated circuits

Does the idea of finding a fantastic clock integrated circuits make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in clock integrated circuits. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top clock integrated circuits products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top clock integrated circuits on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top clock integrated circuits brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top clock integrated circuits based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the clock integrated circuits were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good clock integrated circuits, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your clock integrated circuits.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting clock integrated circuits for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our clock integrated circuits. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what clock integrated circuits should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on clock integrated circuits.