The Engineering Projects

74LS74 Dual D Flip-Flop Datasheet, Pinout, Features & Applications

Hi Friends! Hope you’re well today. I welcome you on board. In this post today, I’ll describe the Introduction to 74LS74. 74LS74A flip-flop IC carries the Schottky TTL circuitry to generate high-speed D-type flip-flops. Every flip-flop in this chip comes with individual inputs, and also complementary Q and Q`(bar) outputs. Flip-Flops are normally considered as the basic building blocks of modern digital electronics. These flip-flops are used to store the binary data where stored data can be varied by applying the different inputs. I suggest you buckle up as in this post I’ll walk you through the complete introduction to 74LS74 covering datasheet, pinout, features, and applications. Let’s get started.

Introduction to 74LS74

• 74LS74A flip-flop IC carries the Schottky TTL circuitry to generate high-speed D-type flip-flops. Every flip-flop in this chip comes with individual inputs, and also complementary Q and Q`(bar) outputs.

• A flip-flop is a circuit that comes with two stable states and is mainly employed to store binary data.
• These flip-flops are widely used in communication systems and computers.

• The working of 74LS74 is simple and straight forward. In order to activate the chip, power the GND and Vcc pin of the chip. In this dual D flip-flop, each flip-flop works independently.
• To achieve the output at pins 5 and 6, you’ll need to use 1^st flip-flip by connecting the input signals 2 and 3. The clock source is produced using MCU or 555 timers and is provided to pin 3. When you keep pin 3 HIGH, it will reset the flip-flop and clear the data.

74LS74 Flip-Flop Table

You can get a hold of the working of this chip by observing the table below where X represents ‘don’t care’

74LS74 Datasheet

Before you incorporate this device into your electrical project, it’s wise to go through the datasheet of the component that features the main characteristics of the component. You can download the datasheet of 74LS74 by clicking the link below.

74LS74 Pinout

The following figure represents the pinout diagram of 74LS74. The following table shows the pin description of each pin incorporated on the chip.

Pin Description of 74LS74
Pin No. & Name	Description	Symbol
5,9 Output	Output Pin of the Flip Flop	1Q / 2Q
6,8 Complementary Output	The inverted output pin of Flip Flop	1Q’(bar) / 2Q’(bar)
3,11 Clock Input Pin	These pins should be provided with a clock pulse for the flip flop	1CLK / 2CLK
1,13 Clear data	Resets the flip flop by clearing its memory	1CLR (bar) / 2CLR (bar)
2,12 Data input pin	Input pin of the Flip Flop	1D /2D
4,10 PRE Input	Another Input pin for Flip Flop. Also referred to as a set pin	1PRE (bar) / 2PRE (bar)
7 Ground	Connected to the ground	Vss
14 Supply Voltage	Power Supply	Vdd/Vcc

74LS74 Features

The following are the main features of 74LS74.

• Low-Level Input Voltage maximum = 0.8V
• Operating Voltage range = 2V to 15V
• Operating Temperature range = 0 to 70°C
• Dual D Flip Flop Package IC

• High-Level Output Current = 8mA
• High-Level Input Voltage minimum = 2 V
• Propagation Delay = 40nS
• Available packages = 14-pin SO-14, SOT42

74LS74 Equivalents

The equivalents to 74LS74 are:

• HEF40312B
• 74LVC2G80

74LS74 Applications

• Buffer Circuits
• Latching devices
• Used as Shift Registers
• Sampling Circuits
• Memory/Control Registers

That’s all for today. Hope you find this article helpful. If you’re unsure or have any questions, you can approach me in the section below, I’d love to help you the best way I can. You are most welcome to share your valuable feedback and suggestions around the content we share so we keep coming back with quality content customized to your exact needs and requirements. Thank you for reading the post.

CD4035 Shift Register Datasheet, Pinout, Features & Applications

Hello Everyone! Hope you’re well today. Happy to see you around. In this post today, I’ll walk you through the Introduction to CD4035.

The CD4035 is a shift register that is mainly used in counters, control circuits, and registers. It contains clocked signal serial chip that is a four-stage register. Synchronous Parallel inputs are provided to each stage and serial inputs are offered to the first stage via JK logic.

I suggest you read this post all the way through as I’ll detail the complete introduction to CD4035 covering datasheet, pinout, features, alternatives, and applications. Let’s jump right in.

Introduction to CD4035

• The CD4035 is a shift register that is a 16-pin device and is mainly used in control circuits, counters, and registers.
•  It is a four-stage register that comes with synchronous parallel inputs provided to each stage and is available in 16-pin PDIP, GDIP, and PDSO packages.

• The CD4035 chip contains two 4-bit Parallel-In & Parallel-Out Shift Registers which project that it is used to receive (input) data parallel and can control 4 output pins in parallel.
• Simply put, it extracts data from four parallel inputs, and as a result, shifts them and then offers that data on four parallel outputs.
• It carries the clock input edge that is used for data shifting where data is shifted on every positive clock edge.

• This four-stage register stage comes with D Flip Flops in each stage that are connected with each other.
• This chip seems to be the right fit for the applications where microcontrollers don’t have enough GPIO pins to handle the number of outputs.
• Since this chip can operate as the data bit for LCD, CD4035 can be employed for interfacing LCD screens
• The frequency of this chip is 12MHz at Vdd = 10V and the propagation delay time is 500ns.
• While the operating voltage range is 3V to 18V and the operating temperature range is -55C to 125C.

CD4035 Datasheet

Before you integrate this component into your electrical project, it’s wise to go through the datasheet of the component that details the main characteristics of the device. Click the link below and download the datasheet of CD4035.

CD4035 Pinout

The following figure shows the pinout diagram of CD4035. The following table shows the pin number, name, and description of each pin incorporated on the chip.

Pin Description of CD4035
Pin No.	Pin Description	Pin Name
2	True/Complement Control pin which displays the complement of the data on the output when this pin is LOW	T/C (True/Complement)
3,4	Serial Inputs	J, ~k
5	This pin is used to reset the output values to 0.	R (Reset)
6	Clock input puls	C (Clock)
7	Parallel or serial control	P/S (Parallel/Serial Control)
8	Ground Pin	Vss
9,10,11,12	Parallel data inputs	Inputs PI-1 to PI-4
1,13,14,15	Outputs	Q0, Q1, Q2, Q3
16	Positive supply terminal	Vdd

CD4035 Features

The following are the main features of a CD4035 shift register.

• Operating Voltage range = 3V to 18V
• Operating Temperature Range = - 55 C to + 125 C
• Chip is a Dual 4-bit,  Parallel In – Parallel out Shift register
• Propagation Delay Time = 500 ns

• Frequency = 12 MHz (Typ.) at VDD = 10 V
• Available packages = 16-pin PDIP, GDIP, PDSO

CD4035 Alternatives

The following are the alternatives of CD4035.

• 4014
• 74LS379
• 74LS323
• 74LS166
• 74HC595
• 74LS164
• 74LS299

Before working with the alternatives, double-check the pinout of the alternatives, as the pinout of equivalents might differ from the pinout of CD4035.

CD4035 Applications

The following are the main applications of this four-stage shift register.

• Shift-left — shift right registers
• Counters, Registers
• Sequence generation
• Code conversion
• Serial-to-parallel/parallel-to-serial conversions
• Arithmetic-unit registers
• Control circuits

That was all about the Introduction to CD4035. If you’re unsure or have any questions, you can approach me in the section below. I’d love to help you the best way I can. Feel free to share your feedback around the content we share so we keep coming back with quality content customized to your exact needs and requirements. Thank you for reading the post.

How to Leverage the Full Benefits of B2B e-Commerce for Your Business

Hello Pals! We welcome you at The Engineering Projects. We Hope you are fine. We are going to learn about the Benefits of B2B e-commerce. Despite the rapid growth of the B2B market, especially compared to its B2C counterpart, we’re still seeing a surprisingly low adoption rate of modern e-Commerce solutions on that front. Which is unfortunate for the companies that are still failing to adopt those solutions, as it’s resulted in many of them lagging behind their competitors. On the bright side, this has created a great opportunity for those willing to go the extra mile, as investing in a competent, modern B2B e-Commerce solution can result in numerous benefits, some of which will be visible almost immediately. 

Focus on the Customer’s Experience

A lot can be done to improve the customer experience in a typical B2B operation, and ensuring that people have everything they need to do their research under one roof can go a long way towards improving your standing with your users. A good B2B e-Commerce system can provide your customers with various valuable insights, including product reviews, aggregate scores, detailed information, as well as specifics related to your business itself, like shipping rates, handling details, and more. Customers are used to doing their own research in these areas nowadays, but this doesn’t mean that you can’t provide them with an enticing reason to stick to your own storefront for those purposes. What’s more, you can make each customer’s experience customized and fine-tailored to their specific needs and interests, driving up your retention rates far above what can be accomplished with a static storefront.

Easy Handling of Growth

While every business strives for growth in the long term, it can also be a double-edged sword for those who are not adequately prepared for it. Uncontrolled growth can even kill your entire business in more extreme cases. With a good e-Commerce solution, you can negate many of the dangers that come with rapid growth, allowing you to quickly open new stores, expand your current ones, and leverage different selling modes to ensure that you’re covering all your fronts. This is something you can typically do on your own, admittedly – but it will cost you significantly more in terms of time and other resources needed to get there. You can more easily focus on the complex parts of your business that require your constant attention when your mind is not constantly preoccupied with the issues that arise in the course of expanding.

More Informed Decisions

The ability to make accurate decisions based on reliable information and analysis is crucial for staying afloat in the B2B market, and that’s another point which can be assisted greatly by the use of a modern B2B e-Commerce solution. You can easily consolidate all the data you’re generating from your different areas of operation, and ensure that you’re always seeing the big picture when making any critical decisions for the development of your company. In some cases, you’ll even have a better idea of what’s coming up ahead compared to the majority of your competitors, thanks to advanced approaches to data analysis. You won’t have to worry about introducing new data collection and aggregation points either, as you’ll have reassurance that you’ll be able to work with all new pieces of information that come your way.

The Power of Automation

Many of the tasks you perform in your day-to-day operations can be automated nowadays – and that’s something which can increase your productivity by a large margin if handled correctly. Your B2B e-Commerce solution will handle all standard parts of the shopping and purchase process, sometimes even including basic interaction with your customers (e.g. through the use of AI-driven chatbots). This will allow you to invest more of your time into the areas that actually require critical thinking and an informed approach, instead of wasting your time on menial, repetitive tasks. The same goes for everyone else working in your organization. In fact, a comprehensive e-Commerce suite can help you decrease your need for employees overall, giving you a good opportunity to streamline your operations even further. This can synergize with other points we’ve already mentioned, like your ability to expand into new markets without having to invest that much into each new storefront.

Flexibility in a Dynamic Market

You’re no longer limited to operating within the limits of your physical location these days, and in fact, many of your customers will expect a customized experience that matches their own region if your company is large enough. With the right B2B eCommerce solution, you can effortlessly expand your operations to new areas without constantly having to research new tax laws, country-specific regulations, and other similar details which can change significantly from one place to another. Expanding into a new market altogether is something that would normally require a large investment, but with the help of the right e-Commerce solution, many of the difficult parts of the process can be streamlined. Smooth Integration of Payment Services A common roadblock for many B2B and B2C companies is the wide range of payment services that customers expect to be supported. This gets even more complex as you begin to expand into new markets, many of which may have their own local payment solutions. Your B2B e-Commerce solution should be able to handle most of that for you, providing your customers with a unified payment front that ties into all relevant points of your backend seamlessly. You’ll no longer have to worry about how a certain payment method will be integrated with your accounting software, for example, or bother yourself with processes like identity verification. In many cases, technical issues related to payment providers will be handled by the e-Commerce platform as well. The initial integration of an e-Commerce solution can take a while, but after you’ve gone through that initial effort, you’ll find that everything else usually becomes much more streamlined. And the more you continue to integrate your operations with your B2B e-Commerce solution, the easier it will be to keep the ball rolling and ensure that you continue to offer an experience that’s aligned with your customers’ expectations.