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. 729-3757
Mfr. Part No.EP4CE6E22C8N
BrandAltera
£9.95
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
£9.795
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. 772-0085
Mfr. Part No.iCE40LP1K-CM49
£3.48
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. 168-4224
Mfr. Part No.ICE40LP1K-CM49
£3.161
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. 921-3551
Mfr. Part No.5CEBA2F17C8N
BrandAltera
£28.383
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. 830-3540
Mfr. Part No.5CEBA2F17C8N
BrandAltera
£29.12
Each
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
£7.194
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
£23.40
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. 697-2841
Mfr. Part No.XC3S50A-4VQG100C
BrandXilinx
£7.72
Each
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. 921-3536
Mfr. Part No.EP4CGX15BF14C8N
BrandAltera
£21.273
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. 173-2086
Mfr. Part No.XC3S250E-4VQG100I
BrandXilinx
£19.586
Each (In a Tray of 90)
Units
Spartan-3E 250000 5508 612 - 4896 12 (18 x 18) VTQFP 100 38912bit 14 x 14 x 1mm 1mm 14mm 1.26 V
RS Stock No. 134-093
Mfr. Part No.XC3S250E-4VQG100I
BrandXilinx
£19.73
Each
Units
Spartan-3E 250000 5508 612 - 4896 12 (18 x 18) VTQFP 100 38912bit 14 x 14 x 1mm 1mm 14mm 1.26 V
RS Stock No. 169-5507
Mfr. Part No.EP2C5T144C8N
BrandAltera
£14.57
Each (In a Tray of 60)
Units
Cyclone II - 4608 4608 - - 13 (18 x 18) TQFP 144 - 20 x 20 x 1.4mm 1.4mm 20mm 1.25 V
RS Stock No. 624-4206
Mfr. Part No.EP2C5T144C8N
BrandAltera
£14.57
Each
Units
Cyclone II - 4608 4608 - - 13 (18 x 18) TQFP 144 - 20 x 20 x 1.4mm 1.4mm 20mm 1.25 V
RS Stock No. 772-0057
Mfr. Part No.iCE40HX4K-TQ144
£5.00
Each
Units
ICE40 HX - 3520 440 - 3520 - TQFP 144 80kbit 20 x 20 x 1.45mm 1.45mm 20mm 1.26 V
RS Stock No. 168-4222
Mfr. Part No.ICE40HX4K-TQ144
£4.639
Each (In a Tray of 60)
Units
ICE40 HX - 3520 440 - 3520 - TQFP 144 80kbit 20 x 20 x 1.45mm 1.45mm 20mm 1.26 V
RS Stock No. 173-2070
Mfr. Part No.XC3S50AN-4TQG144C
BrandXilinx
£11.703
Each (In a Tray of 60)
Units
Spartan-3AN 50000 1584 1584 - - 3 (18 x 18) TQFP 144 11264bit 20 x 20 x 1.4mm 1.4mm 20mm 1.26 V
RS Stock No. 168-4225
Mfr. Part No.ICE40LP1K-QN84
£3.189
Each (In a Bag of 260)
Units
ICE40 LP - 1280 160 - 1280 - QFN 84 64kbit 7 x 7 x 0.9mm 0.9mm 7mm 1.26 V
RS Stock No. 772-0098
Mfr. Part No.iCE40LP1K-QN84
£3.54
Each
Units
ICE40 LP - 1280 160 - 1280 - QFN 84 64kbit 7 x 7 x 0.9mm 0.9mm 7mm 1.26 V
RS Stock No. 697-2879
Mfr. Part No.XC3S50AN-4TQG144C
BrandXilinx
£11.85
Each
Units
Spartan-3AN 50000 1584 1584 - - 3 (18 x 18) TQFP 144 11264bit 20 x 20 x 1.4mm 1.4mm 20mm 1.26 V
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