Configurable Logic Block

Exemplary internal circuit of a CLB

Configurable Logic Blocks ( CLB ) in the field of digital technology are blocks in a programmable electrical circuit , the internal elements of which are the lookup table (LUT), AND - OR matrices and flip-flops, depending on the requirements, brought into a certain state during programming and then later act accordingly during operation. Furthermore, within a CLB there are various types of memory elements such as D flip-flops (DFF) which can each store 1 bit. The scope and arrangement of the individual electronic circuit elements within a CLB is implemented in different ways depending on the component and manufacturer.

CLBs can be found in Programmable Logic Circuits (PLDs) and Field Programmable Gate Arrays (FPGAs).

Individual evidence

^ Clive Maxfield, Programmable Logic DesignLine, Xilinx unveil revolutionary 65nm FPGA architecture: the Virtex-5 family . May 15, 2006. Retrieved February 5, 2009.

[clive-1] Clive Maxfield, Programmable Logic DesignLine, Xilinx unveil revolutionary 65nm FPGA architecture: the Virtex-5 family . May 15, 2006. Retrieved February 5, 2009.