gate array


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gate array

A type of ASIC chip that is partially finished with rows of unconnected transistors and resistors. The chip is completed by designing and adhering the top metal layers that provide the interconnecting pathways to form logic gates (NAND, NOR, etc.). These final masking stages are less costly than designing a full custom chip from scratch, which requires a new photo-mask for every transistor and interconnection layer. Today, gate arrays are rarely used.

Basic Cells
The gate array is made up of cells containing some number of transistors and resistors. Using a cell library (gates, registers, etc.) and a macro library (more complex functions), the customer designs the chip, and the vendor's software generates the interconnection masks. Quite often, many cells are never used and are essentially wasted. See ASIC, FPGA, PLD, hard macro and soft macro.


Gate Array Cells
These are examples of basic cells. Bipolar transistors are used for higher output power.
References in periodicals archive ?
The report includes segmentation of the Field Programmable Gate Array (FPGA)market on the basis of different aspects, along with a regional segmentation.
Extending the life of LSI's CMOS ASIC gate array products can save customers the cost of having to re-design or rely on suspect parts from unauthorized sources," said Paul Gerrish, co-president at Rochester Electronics.
Based on the newest version of Exemplar's LeonardoSpectrum(TM) synthesis tool, the modular process will reduce the time required to design million gate field programmable gate arrays (FPGAs), such as the Xilinx Virtex(TM) series, by as much as 30 percent.
The field programmable gate array (FPGA) market is expected to grow at a CAGR of 7.41% between 2016 and 2022 and reach USD 7.23 billion by 2022.
According to chip-making equipment suppliers, chips that TSMC will begin to make in the fourth quarter using 28nm process include field programmable gate array (FPGA) ICs contracted by Altera Corp.
Newburyport, MA, April 02, 2011 --(PR.com)-- Rochester Electronics, the world's largest authorized manufacturer and distributor of end-of-life and mature semiconductors, has reintroduced the gate array semiconductor portfolio from Applied Micro Circuits Corporation (Nasdaq: AMCC).
Engineers and scientists can implement ideas with seamless deployment to real-time embedded and field-programmable gate array (FPGA) hardware, and can maximize the software flexibility through integration with a variety of processing platforms, third-party software tools and prebuilt robot platforms.
The upgrade includes compiler improvements that enhance field-programmable gate array design.
Essentially, it becomes an "antifuse," the basic element of one type of field programmable gate array (FPGA), best described as a blank computer chip that uses software to rewire the hardware.
With NI FlexRIO, engineers can add custom signal processing algorithms, to their PXI-based field-programmable gate array (FPGA) hardware.
The platform provides a complete engineering platform for evaluating and integrating the Xilinx Spartan 3A-DSP FPGA (field-programmable gate array) and TI digital media processor based on DaVinci technology.
High performance logic suppliers, such as application specific integrated circuit (ASIC), field programmable gate array (FPGA) and microprocessor makers, are expanding their use of flip chip in package (FCIP).