900 Field Programmable Gate Arrays (FPGA) 511

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Part RoHS Manufacturer Programmable IC Type Grading Of Temperature Form Of Terminal No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material No. of Logic Cells Surface Mount Maximum Supply Voltage No. of CLBs Technology Used Screening Level No. of Inputs No. of Equivalent Gates Nominal Supply Voltage (V) Packing Method Power Supplies (V) Package Style (Meter) Package Equivalence Code Sub-Category Minimum Supply Voltage Pitch Of Terminal Maximum Operating Temperature Maximum Combinatorial Delay of a CLB Organization Minimum Operating Temperature Finishing Of Terminal Used Position Of Terminal JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Seated Height Width Qualification Additional Features JESD-609 Code Maximum Clock Frequency Maximum Time At Peak Reflow Temperature (s) No. of Outputs Peak Reflow Temperature (C) Length

XC3S4000-5FGG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

62208

Yes

1.26 V

6912

CMOS

633

4000000

1.2

1.2,1.2/3.3,2.5 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1.14 V

1 mm

85 °C (185 °F)

0.53 ns

6912 CLBS, 4000000 Gates

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e1

725 MHz

30 s

633

250 °C (482 °F)

31 mm

XC3S5000-5FGG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

74880

Yes

1.26 V

8320

CMOS

633

5000000

1.2

1.2,1.2/3.3,2.5 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1.14 V

1 mm

85 °C (185 °F)

0.53 ns

8320 CLBS, 5000000 Gates

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e1

725 MHz

30 s

633

250 °C (482 °F)

31 mm

XC6SLX150-2FGG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

147443

Yes

1.26 V

11519

CMOS

570

1.2

1.2,2.5/3.3 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1.14 V

1 mm

85 °C (185 °F)

0.26 ns

11519 CLBS

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e1

667 MHz

30 s

570

250 °C (482 °F)

31 mm

XC6SLX150-L1FGG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

147443

Yes

1.05 V

11519

CMOS

576

1

1,2.5/3.3 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

.95 V

1 mm

85 °C (185 °F)

0.46 ns

11519 CLBS

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e1

30 s

576

250 °C (482 °F)

31 mm

XC7K325T-1FF900I

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

326080

Yes

1.03 V

326080

CMOS

500

1

1,1.8,3.3 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

.97 V

1 mm

0.74 ns

326080 CLBS

Tin Lead

Bottom

S-PBGA-B900

3.35 mm

31 mm

No

e0

1818 MHz

500

31 mm

XC7K325T-2FBG900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

326080

Yes

1.03 V

25475

CMOS

500

1

1,1.8,3.3 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

.97 V

1 mm

100 °C (212 °F)

0.61 ns

25475 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

2.54 mm

31 mm

No

e1

1818 MHz

30 s

500

245 °C (473 °F)

31 mm

XCKU035-1FBVA900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

444343

Yes

.979 V

1700

520

.95

0.95 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

.922 V

1 mm

100 °C (212 °F)

1700 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

2.8 mm

31 mm

No

e1

30 s

520

245 °C (473 °F)

31 mm

XCKU040-1FBVA900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

530250

Yes

.979 V

1920

520

.95

0.95 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

.922 V

1 mm

100 °C (212 °F)

1920 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

2.8 mm

31 mm

No

e1

30 s

520

245 °C (473 °F)

31 mm

XCKU11P-1FFVD900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

653100

Yes

.876 V

37320

512

0.85

Grid Array

BGA900,30X30,40

.825 V

1 mm

100 °C (212 °F)

37320 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.42 mm

31 mm

e1

30 s

512

245 °C (473 °F)

31 mm

XCKU3P-1FFVD900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

355950

Yes

.876 V

20340

304

0.85

Grid Array

BGA900,30X30,40

.825 V

1 mm

100 °C (212 °F)

20340 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.42 mm

31 mm

e1

30 s

304

245 °C (473 °F)

31 mm

XCV1000E-7FG900I

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

27648

Yes

1.89 V

6144

CMOS

660

331776

1.8

1.2/3.6,1.8 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1.71 V

1 mm

0.42 ns

6144 CLBS, 331776 Gates

Tin/Lead (Sn63Pb37)

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e0

400 MHz

30 s

660

225 °C (437 °F)

31 mm

XC3S400-4FG900I

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.26 V

192

50000

1.2

Grid Array

1.14 V

1 mm

192 CLBS, 50000 Gates

Tin Lead

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e0

31 mm

XCKU9P-3FFVE900E

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

599550

Yes

.927 V

34260

304

0.9

Grid Array

BGA900,30X30,40

.873 V

1 mm

100 °C (212 °F)

34260 CLBS

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.42 mm

31 mm

e1

30 s

304

245 °C (473 °F)

31 mm

XC6SLX150-3NFG900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.26 V

1.2

Grid Array

1.14 V

1 mm

100 °C (212 °F)

-40 °C (-40 °F)

Tin Lead

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e0

806 MHz

31 mm

XC7K410T-1LFFG900I

Xilinx

FPGA

Ball

900

Plastic/Epoxy

Yes

Grid Array

Tin Silver Copper

Bottom

4

No

e1

XC7K325T-2LFFG900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

326080

Yes

.93 V

25475

350

0.9

Grid Array

BGA900,30X30,40

.87 V

1 mm

100 °C (212 °F)

0.91 ns

25475 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.35 mm

31 mm

e1

30 s

350

245 °C (473 °F)

31 mm

XC6SLX100T-3NFG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.26 V

1.2

Grid Array

1.14 V

1 mm

85 °C (185 °F)

0 °C (32 °F)

Tin Lead

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e0

806 MHz

31 mm

XCKU11P-2FFVD900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

653100

Yes

.876 V

37320

512

0.85

Grid Array

BGA900,30X30,40

.825 V

1 mm

100 °C (212 °F)

37320 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.42 mm

31 mm

e1

30 s

512

245 °C (473 °F)

31 mm

XCV600E-7FGG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

15552

Yes

1.89 V

3456

CMOS

512

186624

1.8

1.2/3.6,1.8 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1.71 V

1 mm

85 °C (185 °F)

0.42 ns

3456 CLBS, 186624 Gates

0 °C (32 °F)

Tin/Silver/Copper (Sn95.5Ag4.0Cu0.5)

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e1

400 MHz

30 s

512

250 °C (482 °F)

31 mm

XC7K325T-1FF900C

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

326080

Yes

CMOS

500

1,1.8,3.3 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1 mm

Tin Lead

Bottom

S-PBGA-B900

4

No

e0

1818 MHz

30 s

500

225 °C (437 °F)

XC7K480T-L2FF901E

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

477760

Yes

CMOS

380

0.9,1.8,3.3 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1 mm

Tin Lead

Bottom

S-PBGA-B900

4

No

e0

1286 MHz

30 s

380

225 °C (437 °F)

XCKU5P-L2FFVD900E

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

474600

Yes

.742 V

27120

304

0.72

Grid Array

BGA900,30X30,40

.698 V

1 mm

110 °C (230 °F)

27120 CLBS

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.42 mm

31 mm

Also Operates at 0.85 V nominal supply

e1

304

31 mm

XC7K325T-2FB900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

326080

Yes

1.03 V

25475

CMOS

500

1

1,1.8,3.3 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

.97 V

1 mm

85 °C (185 °F)

0.61 ns

25475 CLBS

0 °C (32 °F)

Tin Lead

Bottom

S-PBGA-B900

4

2.54 mm

31 mm

No

e0

1818 MHz

30 s

500

225 °C (437 °F)

31 mm

XC3S4000-5FG900I

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

62208

Yes

CMOS

633

1.2,1.2/3.3,2.5 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1 mm

Tin Lead

Bottom

S-PBGA-B900

3

No

e0

30 s

633

225 °C (437 °F)

XC7K325T-2FFV900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.03 V

25475

1

Grid Array

.97 V

1 mm

100 °C (212 °F)

0.61 ns

25475 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

3.35 mm

31 mm

e1

31 mm

XC3S1500-5FGG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.26 V

192

50000

1.2

Grid Array

1.14 V

1 mm

85 °C (185 °F)

192 CLBS, 50000 Gates

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e1

31 mm

XCV1600E-7FG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

34992

Yes

1.89 V

7776

CMOS

700

419904

1.8

1.2/3.6,1.8 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1.71 V

1 mm

85 °C (185 °F)

0.42 ns

7776 CLBS, 419904 Gates

0 °C (32 °F)

Tin/Lead (Sn63Pb37)

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e0

400 MHz

30 s

700

225 °C (437 °F)

31 mm

XC6SLX100T-3NFGG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.26 V

1.2

Grid Array

1.14 V

1 mm

85 °C (185 °F)

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e1

806 MHz

31 mm

XC7K410T-2LFFG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

Yes

.93 V

0.9

Grid Array

BGA900,30X30,40

.87 V

1 mm

85 °C (185 °F)

0.61 ns

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.35 mm

31 mm

e1

31 mm

XC7K325T-3FB900E

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

326080

Yes

CMOS

500

1,1.8,3.3 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1 mm

Tin Lead

Bottom

S-PBGA-B900

4

No

e0

1818 MHz

30 s

500

225 °C (437 °F)

XCE7K325T-1FFG900I

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.03 V

25475

1

Grid Array

.97 V

1 mm

0.74 ns

25475 CLBS

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.35 mm

31 mm

e1

30 s

245 °C (473 °F)

31 mm

XCV1600E-6FG900I

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

34992

Yes

1.89 V

7776

CMOS

700

419904

1.8

1.2/3.6,1.8 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1.71 V

1 mm

0.47 ns

7776 CLBS, 419904 Gates

Tin/Lead (Sn63Pb37)

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e0

357 MHz

30 s

700

225 °C (437 °F)

31 mm

XC3S50-4FG900I

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.26 V

192

50000

1.2

Grid Array

1.14 V

1 mm

192 CLBS, 50000 Gates

Tin Lead

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e0

31 mm

XCE7K325T-L2FFV900I

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

Yes

.97 V

25475

.95

Grid Array

.93 V

1 mm

0.61 ns

25475 CLBS

Bottom

S-PBGA-B900

4

3.35 mm

31 mm

e1

31 mm

XCKU9P-1FFVE900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

599550

Yes

.876 V

34260

304

0.85

Grid Array

BGA900,30X30,40

.825 V

1 mm

100 °C (212 °F)

34260 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.42 mm

31 mm

e1

30 s

304

245 °C (473 °F)

31 mm

XC7K410T-1FBG900E

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.03 V

1

Grid Array

BGA900,30X30,40

.97 V

1 mm

100 °C (212 °F)

0.74 ns

0 °C (32 °F)

Tin/Silver/Copper (Sn96.5Ag3.0Cu0.5)

Bottom

S-PBGA-B900

4

2.54 mm

31 mm

No

e1

30 s

245 °C (473 °F)

31 mm

XCKU13P-3FFVE900E

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

746550

Yes

.927 V

42660

304

0.9

Grid Array

BGA900,30X30,40

.873 V

1 mm

100 °C (212 °F)

42660 CLBS

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.42 mm

31 mm

e1

30 s

304

245 °C (473 °F)

31 mm

XC3S1000-5FG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.26 V

192

50000

1.2

Grid Array

1.14 V

1 mm

85 °C (185 °F)

192 CLBS, 50000 Gates

0 °C (32 °F)

Tin Lead

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e0

31 mm

XQ7K410T-L2RF900I

Xilinx

FPGA

Ball

900

BGA

Square

Plastic

406720

Yes

1.05 V

31775

HKMG

500

1

1 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

.95 V

1 mm

100 °C (212 °F)

0.61 ns

-40 °C (-40 °F)

Bottom

S-PBGA-B900

31 mm

No

1286 MHz

500

31 mm

XCE7K325T-2FBV900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.03 V

25475

1

Grid Array

.97 V

1 mm

85 °C (185 °F)

0.61 ns

25475 CLBS

0 °C (32 °F)

Bottom

S-PBGA-B900

2.54 mm

31 mm

31 mm

XCE7K410T-2FFV900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

406720

Yes

1.03 V

31775

HKMG

500

1

Grid Array

.97 V

1 mm

85 °C (185 °F)

0.61 ns

31775 CLBS

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.35 mm

31 mm

e1

500

31 mm

XCV1000E-6FGG900I

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

27648

Yes

1.89 V

6144

CMOS

660

331776

1.8

1.2/3.6,1.8 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1.71 V

1 mm

0.47 ns

6144 CLBS, 331776 Gates

Tin/Silver/Copper (Sn95.5Ag4.0Cu0.5)

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e1

357 MHz

30 s

660

250 °C (482 °F)

31 mm

XC7K325T-2LFFG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

Yes

.93 V

0.9

Grid Array

BGA900,30X30,40

.87 V

1 mm

85 °C (185 °F)

0.61 ns

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.35 mm

31 mm

e1

30 s

245 °C (473 °F)

31 mm

XC7K325T-1FB900I

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.03 V

25475

1

Grid Array

.97 V

1 mm

0.74 ns

25475 CLBS

Tin Lead

Bottom

S-PBGA-B900

4

2.54 mm

31 mm

e0

30 s

225 °C (437 °F)

31 mm

XCV812E-6FGG900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

Yes

1.89 V

4704

CMOS

254016

1.8

Grid Array

1.71 V

1 mm

85 °C (185 °F)

0.47 ns

4704 CLBS, 254016 Gates

-40 °C (-40 °F)

Tin/Silver/Copper (Sn95.5Ag4.0Cu0.5)

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e1

357 MHz

30 s

250 °C (482 °F)

31 mm

XC6SLX150-L1FGG900I

Xilinx

FPGA

Industrial

Ball

900

BGA

Square

Plastic/Epoxy

147443

Yes

1.05 V

11519

CMOS

570

1

1,2.5/3.3 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

.95 V

1 mm

100 °C (212 °F)

0.46 ns

11519 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e1

30 s

570

250 °C (482 °F)

31 mm

XCV1000E-8FG900C

Xilinx

FPGA

Other

Ball

900

BGA

Square

Plastic/Epoxy

27648

Yes

1.89 V

6144

CMOS

660

331776

1.8

1.2/3.6,1.8 V

Grid Array

BGA900,30X30,40

Field Programmable Gate Arrays

1.71 V

1 mm

85 °C (185 °F)

0.4 ns

6144 CLBS, 331776 Gates

0 °C (32 °F)

Tin/Lead (Sn63Pb37)

Bottom

S-PBGA-B900

3

2.6 mm

31 mm

No

e0

416 MHz

30 s

660

225 °C (437 °F)

31 mm

XCE7K410T-L2FFG900E

Xilinx

FPGA

Ball

900

BGA

Square

Plastic/Epoxy

406720

Yes

.93 V

31775

HKMG

500

.9

Grid Array

.87 V

1 mm

100 °C (212 °F)

0.91 ns

31775 CLBS

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B900

4

3.35 mm

31 mm

e1

30 s

500

245 °C (473 °F)

31 mm

Field Programmable Gate Arrays (FPGA)

Field Programmable Gate Arrays (FPGAs) are digital integrated circuits that are programmable by the user to perform specific logic functions. They consist of a matrix of configurable logic blocks (CLBs) that can be programmed to perform any digital function, as well as programmable interconnects that allow these blocks to be connected in any way the designer wishes. This makes FPGAs highly versatile and customizable, and they are often used in applications where a high degree of flexibility and performance is required.

FPGAs are programmed using specialized software tools that allow the designer to specify the logic functions and interconnects that are required for a particular application. This process is known as synthesis and involves translating the high-level design into a format that can be implemented on the FPGA hardware. The resulting configuration data is then loaded onto the FPGA, allowing it to perform the desired logic functions.

FPGAs are used in a wide range of applications, including digital signal processing, computer networking, and high-performance computing. They offer a number of advantages over traditional fixed-function digital circuits, including the ability to be reprogrammed in the field, lower development costs, and faster time-to-market. However, they also have some disadvantages, including higher power consumption and lower performance compared to custom-designed digital circuits.