4Bit TD4 CPU Self-made 74 Series Chip CPU

Description

Shipping, Customs & Duties Notice

For the logistics services we use, shipments to most major developed countries are delivered door to door, and the shipping fee includes customs clearance, duties, and taxes. If a particular destination, route, or carrier requires the buyer to pay import duties/taxes separately or provide information for customs declaration or clearance, we will contact you before shipment and will only ship after confirming the required information with you. Please order with confidence and do not worry about unexpected customs charges after purchase.

What is it?

This Product Is A 4-bit CPU, Made Of 9 Kinds Of 74 Series Small-Scale Integrated Circuit Chips, Through The Display Of Circuit Level, Intuitively Understand The Operation Process Of CPU, Easy To Complete The Basic Learning Of Digital Circuit Design, And Has An Intuitive Guidance For Teaching Or Self-Learning Research.
This Product Needs Users To Have A Certain Electronic Welding Ability, Digital Circuit Basic Knowledge.
Please Combine The Knowledge Tutorial To Use This Product, It Will Be Very Helpful For The Understanding And Learning Of Digital Circuits And Microcomputer Principles Of These Two Courses.

Why did you make it?

This Model Is SMT Version, PCB Board As Well As Completed Smd Capacitor, Smd Resistor And LED Installation, Greatly Reduce The Welding Work Of Components, But Still Need Your Patience.Quite The Version You Can Get From Other Channels, This Version We Offer Has Been Improved By Lots Of Practice.

What makes it special?

Now, You Look At This Simulation Program Running Diagram, What You Need To Know Has The Following Points:
The Red Line Represents The Current Level Of The Line Is High (5V), And The Blue Represents The Level Is Low (I.E. 0V)
The Whole System Is Driven By A CLOCK Pulse, RESET Low Level Is Effective, That Is, After The RESET Is Pulled Down, All Data In The System Is Cleared And Zero Restarted
If You Have Already Learned The Basics Of Digital Circuits, Then You Should Also Try To Remember And Understand The Following Points, It Doesn't Matter If You Can't Or Understand Them All, You Can Learn Them All, Come Back And See Again
Four 74HC161 Are Registers A, B, C, D Respectively, Which Can Be Used To Store 4 Bits Of Data