A semicustom IC consisting of a regular arrangement of gates that are interconnected through one or more layers of metal to provide custom functions. Generally, gate arrays are preprocessed up to the first interconnect level so they can be quickly processed with final metal to meet a customer's specified function.
A circuit consisting of an array of logic gates aligned on a substrate in a regular pattern.
An array formed from elementary gates, usually 2-input NOR or 2-input NAND (CMOS) gates. A gate array is configured into a variety of logical circuits through customized interconnect. A gate array is often defined as a semicustom digital integrated circuit.
An IC consisting of a regular arrangement of gates that are interconnected to provide custom functions. Sometimes called an Uncommitted Logic Array (ULA).
an array of predefined logic gates, including a power grid, but without defined logic interconnectivity
Gates placed in a prefabricated matrix where you provide the design for the interconnect. Gate array designs are cheaper to manufacture because only the interconnects have to be custom made.
An application-specific integrated circuit in which the manufacturer pre-fabricates devices containing arrays of unconnected components organized in groups called basic cells. The designer specifies the function of the device in terms of cells from the cell library and the connections between them, and the manufacturer then generates the masks used to create the metalization layers.
A semi custom chip. The integrated circuit is pre-processed to the first interconnect level. The remainder of the interconnect is customised to meet specific requirements of the customer.
A kind of semi-custom circuit.
an integrated circuit made up of digital logic gates that are not yet connected. Typically gate arrays are fabricated up to the metal layers and then a custom metal mask is designed for a customer and used to connect the gates into a customer specific circuit.
digital IC that is customized by interconnecting an array of logic elements.
ASIC where transistors are pre-defined, and only the interconnect pattern is customised for the individual application.
A type of integrated circuit that, by virtue of being partially fabricated, allows much shorter lead times in the design and production of custom circuits.
A gate array or uncommitted logic array (ULA) is an approach to the design and manufacture of application-specific integrated circuits (ASICS). A gate array circuit is a prefabricated silicon chip circuit with no particular function in which transistors, standard NAND or NOR logic gates, and other active devices are placed at regular predefined positions and manufactured on a wafer, usually called master slice. Creation of a circuit with a specified function is accomplished by adding a final surface layer metal interconnects to the chips on the master slice late in the manufacturing process, joining these elements to allow the function of the chip to be customised as desired.