FPGAs

FPGAs
What are FPGAs?
FPGA stands for Field Programmable Gate Array. They are small semiconductor logic chips known as integrated circuits, or ICs for short. FPGAs are built from one basic logic cell, duplicated hundreds of times.
What do they consist of?
They consist of a configurable logic block, programmable switch matrix, I/O blocks and Interconnects.
Configurable Logic Block
CLB consist of lookup tables (LUTs), flip flops and multiplexers. They are used to implement complex design functions and synchronise the code on the FPGA.
Programmable Switch Matrix
A programmable switch matrix (PSM) is used to control the interconnections between the configurable logic blocks and the input / output blocks. The programmable switch matrix connects each block according to the program code and has switch elements that have six pass transistors inside.
I/O Blocks
I/O blocks are pins that can be programmed as an input pins, output pins or both.
Interconnects
Interconnects carry signals via wires to connect inputs and outputs to logic blocks.
Features and Benefits
FPGA functionality can easily be developed upon every power-up of the device. Design engineers can enable changes by downloading new software configuration files into the device and test the changes.
How do FPGAs differ from CPLDs?
CPLDs stand for complex programmable logic devices. They are used to implement complex combinational or sequential circuits. They are made up of logic array blocks, programmable interconnects and I/O blocks.
FPGA Applications
They are found in many applications such as radar systems, military hardware, medical devices and telecommunication technology. Their reprogrammable nature means FPGAs are suitable for a wide range of solutions. They are able to be any digital circuit, depending on the number of logic blocks it contains. Engineers often use FPGAs in prototype development and specialise designed integrated circuits (ICs).

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Description Price Family Name Number of Logic Gates Number of Logic Cells Number of Logic Units Dedicated DSP Number of Registers Number of Multipliers Package Type Pin Count Number of RAM Bits Dimensions Height Length Maximum Operating Supply Voltage
RS Stock No. 727-6011
Mfr. Part No.XC6SLX9-2TQG144C
BrandXilinx
£16.90
Each
Units
Spartan-6 - 9152 5720 Yes 11440 16 (18 x 18) TQFP 144 576kbit 20 x 20 x 1.45mm 1.45mm 20mm 1.2 V
RS Stock No. 173-2079
Mfr. Part No.XC6SLX9-2TQG144C
BrandXilinx
£15.424
Each (In a Tray of 60)
Units
Spartan-6 - 9152 5720 Yes 11440 16 (18 x 18) TQFP 144 576kbit 20 x 20 x 1.45mm 1.45mm 20mm 1.2 V
RS Stock No. 729-3757
Mfr. Part No.EP4CE6E22C8N
BrandAltera
£9.94
Each
Units
Cyclone IV E - 6272 392 Yes - 15 (18 x 18) EQFP 144 270kbit 20 x 20 x 1.6mm 1.6mm 20mm 1.25 V
RS Stock No. 921-3514
Mfr. Part No.EP4CE6E22C8N
BrandAltera
£9.54
Each (In a Tray of 60)
Units
Cyclone IV E - 6272 392 Yes - 15 (18 x 18) EQFP 144 270kbit 20 x 20 x 1.6mm 1.6mm 20mm 1.25 V
RS Stock No. 783-2876
Mfr. Part No.XC7Z020-1CLG484C
BrandXilinx
£121.45
Each
Units
Zynq-7000 - - - Yes - - CLG 484 - - - - 3.3 V
RS Stock No. 173-2115
Mfr. Part No.XC7Z020-1CLG484C
BrandXilinx
£107.791
Each (In a Tray of 84)
Units
Zynq-7000 - - - Yes - - CLG 484 - - - - 3.3 V
RS Stock No. 727-5995
Mfr. Part No.XC3S400-4PQG208I
BrandXilinx
£29.32
Each
Units
Spartan-3 400000 8064 8064 - - 16 (18 x 18) PQFP 208 288kbit 28 x 28 x 3.6mm 3.6mm 28mm 1.26 V
RS Stock No. 173-2099
Mfr. Part No.XC3S400-4PQG208I
BrandXilinx
£27.064
Each (In a Tray of 24)
Units
Spartan-3 400000 8064 8064 - - 16 (18 x 18) PQFP 208 288kbit 28 x 28 x 3.6mm 3.6mm 28mm 1.26 V
RS Stock No. 168-4224
Mfr. Part No.ICE40LP1K-CM49
£3.201
Each (In a Tray of 490)
Units
ICE40 LP - 1280 160 - 1280 - UCBGA 49 64kbit 3 x 3 x 0.9mm 0.9mm 3mm 1.26 V
RS Stock No. 772-0085
Mfr. Part No.iCE40LP1K-CM49
£3.32
Each
Units
ICE40 LP - 1280 160 - 1280 - UCBGA 49 64kbit 3 x 3 x 0.9mm 0.9mm 3mm 1.26 V
RS Stock No. 173-2108
Mfr. Part No.XC6SLX45-2FGG676C
BrandXilinx
£54.914
Each (In a Tray of 40)
Units
Spartan-6 - 43661 27288 Yes 54576 58 (18 x 18) FPBGA 676 2088kbit 27 x 27 x 1.84mm 1.84mm 27mm 1.2 V
RS Stock No. 727-6027
Mfr. Part No.XC6SLX45-2FGG676C
BrandXilinx
£55.49
Each
Units
Spartan-6 - 43661 27288 Yes 54576 58 (18 x 18) FPBGA 676 2088kbit 27 x 27 x 1.84mm 1.84mm 27mm 1.2 V
RS Stock No. 830-3540
Mfr. Part No.5CEBA2F17C8N
BrandAltera
£28.34
Each
Units
Cyclone V 25000 25000 9434 Yes 37736 50 (18 x 18) FBGA 256 2002944 - - 17mm 1.13 V
RS Stock No. 921-3551
Mfr. Part No.5CEBA2F17C8N
BrandAltera
£27.475
Each (In a Tray of 90)
Units
Cyclone V 25000 25000 9434 Yes 37736 50 (18 x 18) FBGA 256 2002944 - - 17mm 1.13 V
RS Stock No. 173-2062
Mfr. Part No.XC3S50A-4VQG100C
BrandXilinx
£7.514
Each (In a Tray of 90)
Units
Spartan-3A 50000 1584 1584 - - 3 (18 x 18) VTQFP 100 11264bit 14 x 14 x 1mm 1mm 14mm 1.26 V
RS Stock No. 771-6730
Mfr. Part No.EP4CGX15BF14C8N
BrandAltera
£20.46
Each
Units
Cyclone IV GX - 14400 900 Yes 14400 - FBGA 169 540kbit 14 x 14 x 1.25mm 1.25mm 14mm 1.24 V
RS Stock No. 921-3511
Mfr. Part No.EP4CE40F23C8N
BrandAltera
£53.766
Each (In a Tray of 60)
Units
Cyclone IV E - 39600 2475 Yes 39600 116 (18 x 18) FBGA 484 1134kbit 23 x 23 x 2mm 2mm 23mm 1.25 V
RS Stock No. 771-6711
Mfr. Part No.EP4CE40F23C8N
BrandAltera
£57.20
Each
Units
Cyclone IV E - 39600 2475 Yes 39600 116 (18 x 18) FBGA 484 1134kbit 23 x 23 x 2mm 2mm 23mm 1.25 V
RS Stock No. 921-3536
Mfr. Part No.EP4CGX15BF14C8N
BrandAltera
£19.962
Each (In a Tray of 119)
Units
Cyclone IV GX - 14400 900 Yes 14400 - FBGA 169 540kbit 14 x 14 x 1.25mm 1.25mm 14mm 1.24 V
RS Stock No. 697-2841
Mfr. Part No.XC3S50A-4VQG100C
BrandXilinx
£7.88
Each
Units
Spartan-3A 50000 1584 1584 - - 3 (18 x 18) VTQFP 100 11264bit 14 x 14 x 1mm 1mm 14mm 1.26 V
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