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and gate

This is a simple and gate

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adn gates

this asmpily and gates

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ram rom selector

These are example circuits targeted to 8-bits homebrew computers. They are simple circuits to select between ROM and RAM memories when they share partial block of address space, i.e. if you have a big ROM chip, let's say 32K but you won't use it every single cell of it. So you can set a ROM and a RAM chip on the same address space and set your computer to select the proper one.
Let me explain. Let's say that you have 1x 32K ROM chip and 2x 32K RAM chips and you're using a Z80. The Z80 needs ROM on the first page of the address space because at reset it points to $0000 address cell. But your firmware only occupies 16/18 KB of space. So you can build this RAM/ROM selector using simple chips from the 74xx series and let the computer switches between the 2 kinds of memory. In the first one, for example, the CPU reads from ROM chip up to address $4FFF (20,479), then reads/writes from/RAM. In the second one, the CPU addresses the ROM for the first 24K of memory then switches to RAM

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nand1

and
Basic NAND circuit element, to see how it works

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exercise1

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two not circuits fed into a band

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chandu

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chandu

and

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first

and

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Digital Combinational Circuits

Digital Combinational Circuits

Gates: NOT,  AND, OR, NAND, NOR, XOR, XNOR

half adder, full adder, multiplexer, demultiplexer



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prova

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This is a CPU witch is capable of executing a lot of stuff in one clock cycle, and this CPU can shift left up to 7 times and shift right up to 7 times witch means that it is possible to  multiply and divide in one clock cycle if you program a table in the program memory. it has a 32 bit instruction width and a 8 bit address. it also has 

The ALU has the following operations:

  • ADD
  • SUBTRACT
  • SHIFT_LEFT (up to 7 times per cycle 3 bit)
  • SHIFT_RIGHT (up to 7 times per cycle 3 bit)
  • XOR
  • OR
  • NOT

This Was made by miles


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lab dld 7

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and gate


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logic gates 1


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dld lab 3


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fuller adder


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LOGIC GATES


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laws of logic gates


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logic gates


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dlf


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Variation of the Gate


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Complex Gate 1

Deep Dive 1


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tamrin5 Q1


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tamrin5 Q2


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Untitled

and

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Create Logic Gates and build Truth Tables


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Complex Gate 2

2.7 Complex Gates and Truth Tables


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Complex Gate 3

2.7 Complex gate with Truth Table


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Complex Gate 4

Complex Gates with Truth Tables


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Complex Gate 5

Complex Gates


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test001


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Test 002


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truth table of all gate