Welcome to electrical and electronics engineering discussion website, Please login or register to continue.

Welcome to electrical and electronics engineering Q&A site...

Join our WhatsApp group

30 views
in Unit 1 by
what are different three main IC Technologies? discuss the advantages of each of them.
Join me on Google Pay, a secure app for money transfers, bills and recharges. Enter my code 908dq to earn ₹51 back on your first payment!

Please log in or register to answer this question.

1 Answer

0 votes
by
 
Best answer

The three different IC technologies are 

1.Full custom VLSI

2.Semi-custom ASIC

3.Programmable Logic Devices (PLD)


The advantages of each of them are as follows :

1. Full custom VLSI

  • All layers of full custom IC is optimised and will, therefore, get excellent performance.
  • Full custom VLSI devices are optimised to perform fix function.
  • Design, testing, and fabrication take too much efforts.
  • The development costs of full custom VLSI is very high.
  • Full custom VLSI is a type of digital logic devices.
  • Full custom VLSI are hardwired.
  • All the logic cells and mask layers of full custom VLSI is customised.
  • Full custom IC is small in size.
  • Full custom IC consume low power.
  • Full custom IC have excellent performance.
  • Microprocessors and RAM used in computers are the examples of full custom VLSI.

2. Semi-custom ASIC

  • In semi-custom ASIC the lower level is fully or partially built.
  • The upper level is not built the upper level is finish by the designer. 
  • The performance of semi-custom ASIC is good.
  • The size of semi-custom ASIC is good.
  • The NRE cost of semi-custom cost of semi-custom ASIC is low then full custom IC.
  • Semi-custom ASIC uses two technology one is standard cell and second is Mask Programmable gate array (MPGA).
  • Programming of semi-custom ASIC is done at fabrication level.
  • Semi-custom ASIC is advantageous for highest performance in short time.
  • Semi-custom ASIC reduces the cost and design time.

3. Programmable Logic Devices (PLD)

  • All layers of Programmable Logic devices are built already.
  • The designer can directly purchase and IC.
  • Programmable Logic devices have low NRE cost.
  • Programmable Logic devices are available instantly.
  • In PLD there is not customised logic cell or mask layer.


Amazon Shopping

Welcome to Q&A site for electrical and electronics engineering discussion for diploma, B.E./B.Tech, M.E./M.Tech, & PhD study.
If you have a new question please ask in English.
If you want to help this community answer these questions.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase factor resistance load synchronous energy ac induction generator electric series frequency use speed capacitor between meter electrical line type mosfet control transmission difference magnetic plant high single instrument bjt source advantages function diode machine unit winding torque amplifier define supply thyristor motors arduino field shunt maximum relay armature problem electricity time parallel on transformers types coil diagram state flow value material three starting and direction theorem method emf operating digital microprocessor test instruments efficiency ratio loss measure operation connected low applications wave effect single-phase working losses different network wattmeter temperature measuring constant signal controlled breaker device full compare drive wire resistivity logic materials machines inductance switch flux disadvantages converter transistor gain protection scr angle force core measurement number free principle rc generators law negative bridge friction open pole conductor conservation steam iron loop resistors hysteresis short computer using lines secondary station battery rectifier inverter linear relays nuclear regulation circuits design analog work rotor electronics gate forces diesel damping rlc connection factors capacitors minimum insulation basic moving running reactance systems air fault range direct main stability quality starter igbt eddy ideal ammeter rl 3-phase plants arc induced thermal error fuzzy biasing dielectric pressure balanced superposition errors rotation characteristics feedback measured electronic start alternator off back curve over solar three-phase tariff locomotive peak bias zener capacitance commutator surge rating universal potentiometer permanent mechanical copper self transducer capacity electrons memory adc excitation inductive transfer explain fuse pure harmonics application internal pmmc average reaction welding resonance traction breakers designed electromagnetic si generation brushes density switching shaded rate impedance distribution methods star oscillator reluctance semiconductor inductor simplification algebra 8085 boolean weston dynamometer insulating strength installation permeability definition fuel heating earth units neutral rms rated engineering conductors coefficient controller usually reverse excited analysis change body components
...