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# The logic gate circuit

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### The logic gate circuit

1. 1. THE LOGIC GATE CIRCUIT By:RONI FEBRIANDI 0910442049 Shibu lijack 2/17/2013 1
2. 2. 2/17/2013 I. INTRODUCTION Technological growth in electronics very fast, if last someyears, electronics circuit use vacuous tube component, diskritcomponent, like dioda, transistor, hence now have is other, that isusing digital system, and in digital equipments presentation ofinformation or data represent expressed numbers formation in theform of is digital ( logic circuit). There are some elementary circuitfrom digital logic, that is NOTE gate, AND gate, ORgate, NAND gate, NOR gate, XOR gate and XNOR gate. Thisexperiment gate logic circuit aim to so that student know justsomething which the included in logic gate, and know truth tableof from each logic gate. 2
3. 3. 2/17/2013 II. THEORYOn the introduction of Logic Gate Logic gates or logic gate is an entity in electronics and mathematics Boolean that turns one or more logic inputs to a logic output signal. Logic gate is mainly implemented electronically using diodes or transistors, but can also be built using the arrangement of components that utilize the properties of electromagnetic (relay), fluids, optical or even mechanical. 3
4. 4.  In the digital circuit, there is some logic gates are used, such as:  Inverter gate (NOT) An inverter (inverting) is a gate with an input signal and an output signal where the output state is always opposite to the input state. INV logic gates on the other names Datasheet TTL IC 7404.2/17/2013 4
5. 5.  AND gate AND gate has two or more than two input signals, but only one output signal. The AND gate, to produce a high output signal then all input signals must be of high value. AND logic gate at the other names Datasheet IC TTL 7408.2/17/2013 5
6. 6.  OR gate OR gate will provide a high output signal if one or all of the input signal value, so it can be said that the OR gate output signal is low only if all input signals of low value. OR logic gate at the other names Datasheet IC TTL 7432.2/17/2013 6
7. 7.  NAND gate NAND gate is a NOT-AND, or an AND function is reversed. In other words that the NAND gate will produce a low output signal when all the input signal is of high value. NAND logic gates at the other names Datasheet IC TTL 7400.2/17/2013 7
8. 8.  NOR gate NOR gate is a NOT-OR, or an OR function is reversed so that it can be said that the NOR gate will produce a high output signal when all of the input signal is of low value. NOR logic gate at the other names Datasheet IC TTL 7402.2/17/2013 8
9. 9.  XOR gate XOR gate will produce a low output signal when all of the input signal is low-value or high value any input or in other words that the XOR will produce a low output signal when the input signal value at all. XOR logic gate at the other names Datasheet IC TTL 7486.2/17/2013 9
10. 10.  X-NOR gate X-NOR gate will produce a high output signal when all input signals are equal (the opposite of the XOR gate). X-NOR logic gate on a TTL IC Datasheet 74 266 other names.2/17/2013 10
11. 11. III. PROCEDURE 1. String up component like at circuit: IC NOT 7404 IC NAND 7400 IC NOR 7402 IC XOR 74862/17/2013 11
12. 12. IC XNOR 4077 IC OR 7432 2. Output test from each logic gate with input variation from the circuit and write its output. 3. comparing output with truth tables of is each gate.2/17/2013 12
13. 13. IV. DATA ANALYSIS.1. IC NOT7404 gate was composed of an inverter are interconnected.2. IC NAND7400 gate was composed of NOT and AND gates are interconnected.3. IC NOR7402 gate was composed of NOT and OR gates are interconnected.4. IC XOR7486 gate was composed of interconnected XOR gate.5. IC gate XNOR4077 Executive was made up of gates, NOT and OR are interconnected.6. OR7432 gate IC was composed of OR gates are interconnected. 2/17/2013 13
14. 14. V. CONCLUSION  IC consist of some logic gate.  Logic gate can be used to create many IC.2/17/2013 14
15. 15. VI. SUGGESTION Practice is more conducive again. Student expected to be more focused in the following experiments and more orderly in making the circuit to be easily understood. 2/17/2013 15
16. 16. VII. BIBLIOGRAPHY Mano, Morris. 2002. Digital Design. USA : Prentice Hall. Sutisna, 2000. Rangkaian Digital dan Rancangan Logika. Jakarta: Erlangga. www.ilmukomputer.com www.wikipedia.com www.google.com2/17/2013 16
17. 17. THANK YOU 2/17/2013 17