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3 changes: 3 additions & 0 deletions combinational-logic/alus/jeff_74x181/README.md
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# JEFF 74x181 EXAMPLE

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[![MIT License](https://img.shields.io/:license-mit-blue.svg)](https://jeffdecola.mit-license.org)

_4-bit alu (arithmetic logic unit) and function generator.
Provides 16 binary logic operations and 16 arithmetic operations
on two 4-bit words.
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3 changes: 3 additions & 0 deletions combinational-logic/data-operators/full_adder/README.md
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# FULL ADDER EXAMPLE

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_A 2-bit full adder._

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3 changes: 3 additions & 0 deletions combinational-logic/data-operators/half_adder/README.md
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# HALF ADDER EXAMPLE

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[![MIT License](https://img.shields.io/:license-mit-blue.svg)](https://jeffdecola.mit-license.org)

_A 2-bit half adder._

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# DECODER 3-8 EXAMPLE

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_Decoder - Three inputs decodes to 1 of 8 outputs (hot)._

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# ENCODER 8-3 EXAMPLE

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_Encoder - Eights inputs (1 hot) encodes to output._

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# ENCODER TO DECODER EXAMPLE

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_Combining the
[encoder_8_3](https://github.com/JeffDeCola/my-verilog-examples/tree/master/combinational-logic/decoders-and-encoders/encoder_8_3)
to the
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# DEMUX 1x4 EXAMPLE

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_Demultiplexer - One input, four outputs._

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# JEFF 74x151 EXAMPLE

[![jeffdecola.com](https://img.shields.io/badge/website-jeffdecola.com-blue)](https://jeffdecola.com)
[![MIT License](https://img.shields.io/:license-mit-blue.svg)](https://jeffdecola.mit-license.org)

_8-line to 1-line data selector/multiplexer.
Based on the 7400-series integrated circuits used in my
[programable_8_bit_microprocessor](https://github.com/JeffDeCola/my-verilog-examples/tree/master/systems/microprocessors/programable_8_bit_microprocessor)._
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# JEFF 74x157 EXAMPLE

[![jeffdecola.com](https://img.shields.io/badge/website-jeffdecola.com-blue)](https://jeffdecola.com)
[![MIT License](https://img.shields.io/:license-mit-blue.svg)](https://jeffdecola.mit-license.org)

_Quad 2-line to 1-line data selector/multiplexer, non-inverting outputs.
Based on the 7400-series integrated circuits used in my
[programable_8_bit_microprocessor](https://github.com/JeffDeCola/my-verilog-examples/tree/master/systems/microprocessors/programable_8_bit_microprocessor)._
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# MUX 4x1 EXAMPLE

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_Multiplexer - Four inputs, one output._

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# MUX TO DEMUX EXAMPLE

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[![MIT License](https://img.shields.io/:license-mit-blue.svg)](https://jeffdecola.mit-license.org)
_Combining the
[mux_4x1](https://github.com/JeffDeCola/my-verilog-examples/tree/master/combinational-logic/multiplexers-and-demultiplexers/mux_4x1)
to the
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3 changes: 3 additions & 0 deletions fpga-development-boards/buttons/buttons/README.md
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# BUTTONS EXAMPLE

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_A few different ways to use buttons on a FPGA development board._

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3 changes: 3 additions & 0 deletions sequential-logic/arbiters/priority_arbiter/README.md
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# PRIORITY ARBITER EXAMPLE

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_A three level priority arbiter with asynchronous reset._

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5 changes: 4 additions & 1 deletion sequential-logic/counters/jeff_74x161/README.md
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# JEFF 74x161 EXAMPLE

[![jeffdecola.com](https://img.shields.io/badge/website-jeffdecola.com-blue)](https://jeffdecola.com)
[![MIT License](https://img.shields.io/:license-mit-blue.svg)](https://jeffdecola.mit-license.org)

_Synchronous presettable 4-bit binary counter, asynchronous clear.
Based on the 7400-series integrated circuits used in my
[programable_8_bit_microprocessor](https://github.com/JeffDeCola/my-verilog-examples/tree/master/systems/microprocessors/programable_8_bit_microprocessor)._
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I designed this processor form the 1976 Texas Instruments spec sheet.
The `clr_bar` is connected directly to the JK flip-flops.

![IMAGE - ti-74x161-schematic.jpg - IMAGE](../../../docs/pics/sequential-logic/ti-74x161-schematic.jpg)
![IMAGE - ti-74x161-schematic.jpg - IMAGE](../../../docs/pics/sequential-logic/ti-74x161-schematic.svg)

## TRUTH TABLE

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