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. 173-2062
Mfr. Part No.XC3S50A-4VQG100C
BrandXilinx
MYR80.562
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. 697-2894
Mfr. Part No.XC3S100E-4TQG144C
BrandXilinx
MYR163.45
Each
units
Spartan-3E 100000 2160 240 - 1920 4 (18 x 18) TQFP 144 15360bit 20 x 20 x 1.4mm 1.4mm 20mm 1.26 V
RS Stock No. 697-2841
Mfr. Part No.XC3S50A-4VQG100C
BrandXilinx
MYR47.55
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. 629-6190
Mfr. Part No.EP2C5T144I8N
BrandAltera
MYR93.49
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. 169-5517
Mfr. Part No.EP2C5T144I8N
BrandAltera
MYR93.493
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. 172-7848
Mfr. Part No.5AGXMA1D4F31I5N
BrandAltera
MYR2,608.673
Each (In a Tray of 27)
units
Arria V 75k 75000 75000 Yes 113208 240 (27 x 27), 480 (18 x 18), 720 (9 x 9) FBGA 896 8463kbit 31 x 31 x 2.1mm 2.1mm 31mm 1.13 V
RS Stock No. 830-3600
Mfr. Part No.5AGXMA1D4F31I5N
BrandAltera
MYR2,366.49
Each
units
Arria V 75k 75000 75000 Yes 113208 240 (27 x 27), 480 (18 x 18), 720 (9 x 9) FBGA 896 8463kbit 31 x 31 x 2.1mm 2.1mm 31mm 1.13 V
RS Stock No. 168-4220
Mfr. Part No.ICE40HX1K-VQ100
MYR36.215
Each (In a Bag of 90)
units
iCE40 HX - 1280 160 - 1280 - VQFP 100 64kbit 14 x 14 x 1.05mm 1.05mm 14mm 1.26 V
RS Stock No. 629-6184
Mfr. Part No.EP2C8F256I8N
BrandAltera
MYR171.75
Each
units
Cyclone II - 8256 8256 - - 18 (18 x 18) FBGA 256 - 17 x 17 x 1.05mm 1.05mm 17mm 1.25 V
RS Stock No. 173-2086
Mfr. Part No.XC3S250E-4VQG100I
BrandXilinx
MYR219.426
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. 771-6730
Mfr. Part No.EP4CGX15BF14C8N
BrandAltera
MYR179.36
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. 173-2070
Mfr. Part No.XC3S50AN-4TQG144C
BrandXilinx
MYR131.089
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. 169-5744
Mfr. Part No.EP3C16F484C8N
BrandAltera
MYR220.626
Each (In a Tray of 60)
units
Cyclone III - 15408 15408 - - 56 (18 x 18) FBGA 484 - 23 x 23 x 2.2mm 2.2mm 23mm 1.25 V
RS Stock No. 830-3578
Mfr. Part No.5CSXFC5D6F31C8N
BrandAltera
MYR923.18
Each
units
Cyclone V SX 85000 85000 32075 Yes 128300 174 (18 x 18) FBGA 896 4450K - - 31mm 1.13 V
RS Stock No. 168-4222
Mfr. Part No.ICE40HX4K-TQ144
MYR50.93
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. 170-2979
Mfr. Part No.EP4CE30F29C6N
BrandAltera
MYR441.443
Each (In a Tray of 36)
units
Cyclone 28848 28848 1803 Yes - 360 (18 x 18) FBGA 780 608256 - - 29mm 1.25 V
RS Stock No. 170-2989
Mfr. Part No.5CEBA4F17C8N
BrandAltera
MYR347.067
Each (In a Tray of 90)
units
Cyclone V 49000 49000 18480 Yes 73920 132 (18 x 18) FBGA 256 3464192 - - 17mm 1.13 V
RS Stock No. 168-4225
Mfr. Part No.ICE40LP1K-QN84
MYR29.98
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. 830-3528
Mfr. Part No.EP4CE6F17C6N
BrandAltera
MYR204.52
Each
units
Cyclone 6272 6272 392 Yes - 360 (18 x 18) FBGA 256 276480 - - 17mm 1.25 V
RS Stock No. 545-9154
Mfr. Part No.EP1C12F256I7N
BrandAltera
MYR340.22
Each
units
Cyclone - 12060 12060 - - - FBGA 256 - 17 x 17 x 1.8mm 1.8mm 17mm 1.575 V