D Flip Flop | Student Projects https://studentprojects.in Microcontroller projects, Circuit Diagrams, Project Ideas Sat, 09 Jun 2012 09:01:34 +0000 en-US hourly 1 https://wordpress.org/?v=6.1.7 Verilog HDL Program for D Flip Flop https://studentprojects.in/electronics/verilog-hdl/verilog-hdl-program-for-d-flip-flop/ https://studentprojects.in/electronics/verilog-hdl/verilog-hdl-program-for-d-flip-flop/#comments Sat, 09 Jun 2012 06:44:59 +0000 http://studentprojects.in/?p=3183 A flip-flop or latch is a circuit that has two stable states and can be used to store state information. The circuit can be made to change state by signals applied to one or more control inputs and will have one or two outputs. It is the basic storage element in sequential logic. Flip-flops and

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]]> A flip-flop or latch is a circuit that has two stable states and can be used to store state information. The circuit can be made to change state by signals applied to one or more control inputs and will have one or two outputs. It is the basic storage element in sequential logic. Flip-flops and latches are a fundamental building block of digital electronics systems used in computers, communications, and many other types of systems.

he D flip-flop captures the value of the D-input at a definite portion of the clock cycle (such as the rising edge of the clock). That captured value becomes the Q output. At other times, the output Q does not change. The D flip-flop can be viewed as a memory cell, a zero-order hold, or a delay line.

module d(q,q1,d,c);
output q,q1;
 input d,c;
 reg q,q1;
	initial 
	   begin
		   q=1'b0; q1=1'b1;
	  end
	always @ (posedge c)
	   begin 
		 q=d;
		 q1= ~d;
	   end
endmodule
Simulated waveform for D Flip Flop
Simulated waveform for D Flip Flop

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