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System Verilog Arrays
An array is a resource of variables contained in a assigned space and designated by one name. The variables are then noted as elements of the arrays which can be accessed independently.
ICG cell Assertions Concise assert Assert levels Chandle defparam Parameters Parameters Pass Defparam stms Localparam Constant Pass Alias Array Functions always

Packed and unpacked arrays:




bit [3:0] p_array; // packed array

real up_array [3:0]; // unpacked array


Packed array representation:

So bit width in “p_array” is declared before the array name.

Unpacked array representation:

In case of “up_array”, bit width is declared after the array name.

SystemVerilog supports array of following types fixed size, dynamic and associative. Multiple dimensions are only allowed on fixed size arrays.

So dynamic and associative arrays are only added in System Verilog.

Next we will discuss about Packed and un-packed arrays with examples.


Parameters passing, defparam & localparam

Interview Questions. Main, FPGA, Digital Fundamentals
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Solved Examples for 3 variable Kmaps
1. F(x,y,z) =     (0,1,6,7) - Minimization, on this page.
2. F(x,y,z) =     (0,1,4,5,6,7) - Minimization from here.
3. F(x,y,z) =     (3,4,6,7) - Minimization from here.
4. F(x,y,z) =     (0,1,2,3,4,5,6,7) - Minimization from here.

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How to implement a Integrated Clock Gating (ICG) cell from vendor library.

CMOS Digital Integrated Circuit design for VLSI.

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