نتایج جستجو برای: sequential circuit
تعداد نتایج: 198761 فیلتر نتایج به سال:
In this work we investigate the eeectiveness of genetic algorithms (GAs) in the test generation process. We use simple GAs to generate populations of candidate test vectors and to select the best vector to apply in each time frame. A sequential circuit fault simula-tor is used to evaluate the tness of each candidate vector , allowing the test generator to be used for both com-binational and seq...
Most of FPGAs have Configurable Logic Blocks (CLBs) to implement combinational and sequential circuits and block RAMs to implement Random Access Memories (RAMs) and Read Only Memories (ROMs). Circuit design that minimizes the number of clock cycles is easy if we use asynchronous read operations. However, most of FPGAs support synchronous read operations, but do not support asynchronous read ope...
In this paper, we propose a technique to synthesize a hardware circuit from a protocol specification consisting of several concurrent EFSMs with multi-rendezvous specified among their subsets. In our class, each multi-rendezvous can be specified among more than two EFSMs, and several multi-rendezvous can be specified for different combinations of EFSMs. In the proposed technique, using the info...
The power consumption of a digital circuit can be reduced by decomposing it into sub circuits which can be turned off when inactive. Power can also be reduced by careful state encoding. Clock-gating techniques have been shown to be very effective in the reduction of the switching activity in sequential logic circuits. Modeling a given circuit as a finite-state machine, we formulate its decompos...
An asynchronous circuit, or self-timed circuit, is a sequential digital logic circuit which is not enabled by a global clock signal. Instead of that, they often use signals that indicate completion of operations and instructions, specified by handshaking or simple data transfer protocols. This type is contrasted with a synchronous logic circuit where changes to the output signal values are trig...
In the today’s era, reversible logics are the promising technology for the designing of low power digital logic system having major application in the field of nanotechnology, quantum computation, DNA and other low power digital circuits. Reversible logics provide zero power dissipation (Ideally) in the digital operations. There are numbers of circuit designed by the reversible logics and seque...
The paper presents two functional fault models that are devoted for functional delay test generation for non-scan synchronous sequential circuits. These fault models form one joint functional fault model. The non-scan sequential circuit is represented as the iterative logic array model consisting of k copies of the combinational logic of the circuit. The value k defines the length of clock sequ...
This paper presents low-power characteristics of adiabatic complementary pass-transistor logic (ACPL) using four-phase AC power supply. Adiabatic CPL circuits consist of pure NMOS transistors, use CPL blocks for evaluation and bootstrapped NMOS switches to eliminate non-adiabatic loss of output loads. In this paper, combinational circuit (4-bit ripple carry adder) and sequential circuit (4-bit ...
ABSTRACT: In today’s world, the complexity of the chip is increasing as more and more devices are being connected on a single chip. Due to the high density of the chip, the power dissipation increases demanding better power optimization methods. One of the methods to achieve power optimization is by using reversible logic. It can be used in low power CMOS designs, quantum computing, nanotechnol...
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