1156 Field Programmable Gate Arrays (FPGA) 788

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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

XC7A12T-L2FFG1156E

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

12800

Yes

.93 V

1000

HKMG

150

0.9

Grid Array

BGA1156,34X34,40

.87 V

1 mm

100 °C (212 °F)

1.51 ns

1000 CLBS

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

4

3.1 mm

35 mm

Also Operates at 1 V nominal supply

e1

1098 MHz

30 s

150

245 °C (473 °F)

35 mm

XC6VLX365T-1LFF1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

Yes

.93 V

Grid Array

.87 V

1 mm

85 °C (185 °F)

0 °C (32 °F)

Tin Lead

Bottom

S-PBGA-B1156

4

3.5 mm

35 mm

No

e0

35 mm

XC6VHX250T-3FF1154C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

251904

Yes

1.05 V

CMOS

320

1

1,1.2/2.5 V

Grid Array

BGA1154,34X34,40

Field Programmable Gate Arrays

.95 V

1 mm

85 °C (185 °F)

0 °C (32 °F)

Tin Lead

Bottom

S-PBGA-B1156

3.5 mm

35 mm

No

e0

1412 MHz

320

35 mm

XCV3200E-8CGG1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Ceramic, Metal-Sealed Cofired

Yes

1.89 V

16224

CMOS

876096

1.8

Grid Array

1.71 V

1 mm

85 °C (185 °F)

0.4 ns

16224 CLBS, 876096 Gates

0 °C (32 °F)

Tin Silver Copper

Bottom

S-CBGA-B1156

3.11 mm

35 mm

No

e1

416 MHz

35 mm

XCV2600E-8FGG1156C

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic/Epoxy

57132

Yes

1.89 V

14283

CMOS

804

1.8

1.2/3.6,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1.71 V

1 mm

85 °C (185 °F)

0 °C (32 °F)

Bottom

S-PBGA-B1156

35 mm

No

804

35 mm

XC6VLX365T-1FFG1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

364032

Yes

1.05 V

CMOS

600

1

1,1.2/2.5 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

.95 V

1 mm

85 °C (185 °F)

5.08 ns

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

4

3.5 mm

35 mm

No

e1

1098 MHz

30 s

600

245 °C (473 °F)

35 mm

XC6VLX365T-1FF1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

364032

Yes

1.05 V

CMOS

600

1

1,1.2/2.5 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

.95 V

1 mm

85 °C (185 °F)

5.08 ns

0 °C (32 °F)

Tin Lead

Bottom

S-PBGA-B1156

4

3.5 mm

35 mm

No

e0

1098 MHz

30 s

600

225 °C (437 °F)

35 mm

XC6VHX380T-1FF1154I

Xilinx

FPGA

Industrial

Ball

1156

BGA

Square

Plastic/Epoxy

382464

Yes

1.05 V

CMOS

320

1

1,1.2/2.5 V

Grid Array

BGA1154,34X34,40

Field Programmable Gate Arrays

.95 V

1 mm

100 °C (212 °F)

5.08 ns

-40 °C (-40 °F)

Tin Lead

Bottom

S-PBGA-B1156

3.5 mm

35 mm

No

e0

1098 MHz

320

35 mm

XC7A35T-L2FFG1156I

Xilinx

FPGA

Industrial

Ball

1156

BGA

Square

Plastic/Epoxy

33280

Yes

.93 V

2600

250

0.9

Grid Array

BGA1156,34X34,40

.87 V

1 mm

100 °C (212 °F)

1.51 ns

2600 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

4

3.1 mm

35 mm

Also Operates at 1 V nominal supply

e1

1098 MHz

30 s

250

245 °C (473 °F)

35 mm

XQV2000E-6FG1156N

Xilinx

FPGA

Military

Ball

1156

BGA

Square

Plastic/Epoxy

43200

Yes

1.89 V

9600

CMOS

38535Q/M;38534H;883B

804

2541952

1.8

1.2/3.6,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1.71 V

1 mm

125 °C (257 °F)

9600 CLBS, 2541952 Gates

-55 °C (-67 °F)

Tin Lead

Bottom

S-PBGA-B1156

3

2.6 mm

35 mm

No

e0

357.2 MHz

30 s

804

225 °C (437 °F)

35 mm

XC7VX550T-1FF1158I

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic/Epoxy

554240

Yes

CMOS

350

1,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1 mm

Tin/Lead

Bottom

S-PBGA-B1156

No

e0

1818 MHz

350

XC3S200-4FGG1156C

Xilinx

FPGA

Other

Ball

1156

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)

Bottom

S-PBGA-B1156

2.6 mm

35 mm

No

35 mm

XC5VTX150T-1FF1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

148480

Yes

1.05 V

11600

CMOS

360

1

1,2.5 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

.95 V

1 mm

85 °C (185 °F)

0.9 ns

11600 CLBS

0 °C (32 °F)

Tin Lead

Bottom

S-PBGA-B1156

4

3.5 mm

35 mm

No

e0

30 s

360

225 °C (437 °F)

35 mm

XCE7K480T-1FFV1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

477760

Yes

1.03 V

37325

HKMG

400

1

Grid Array

.97 V

1 mm

85 °C (185 °F)

0.74 ns

37325 CLBS

0 °C (32 °F)

Tin/Silver/Copper

Bottom

S-PBGA-B1156

4

3.35 mm

35 mm

e1

30 s

400

245 °C (473 °F)

35 mm

XQV2000E-6FGG1156N

Xilinx

FPGA

Military

Ball

1156

BGA

Square

Plastic/Epoxy

Yes

1.89 V

9600

CMOS

2541952

1.8

Grid Array

1.71 V

1 mm

125 °C (257 °F)

9600 CLBS, 2541952 Gates

-55 °C (-67 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

3

2.6 mm

35 mm

No

e1

357.2 MHz

35 mm

XC7K480T-3FFG1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

Yes

1.03 V

1

Grid Array

BGA1156,34X34,40

.97 V

1 mm

85 °C (185 °F)

0.58 ns

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

4

3.35 mm

35 mm

No

e1

30 s

250 °C (482 °F)

35 mm

XQ6VLX130T-1FFG1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

Yes

1.05 V

10000

CMOS

1

Grid Array

.95 V

1 mm

85 °C (185 °F)

0.79 ns

10000 CLBS

0 °C (32 °F)

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

Bottom

S-PBGA-B1156

4

3.53 mm

35 mm

e1

30 s

245 °C (473 °F)

35 mm

XC6VHX380T-2FF1154I

Xilinx

FPGA

Industrial

Ball

1156

BGA

Square

Plastic/Epoxy

382464

Yes

1.05 V

CMOS

320

1

1,1.2/2.5 V

Grid Array

BGA1154,34X34,40

Field Programmable Gate Arrays

.95 V

1 mm

100 °C (212 °F)

4.29 ns

-40 °C (-40 °F)

Tin Lead

Bottom

S-PBGA-B1156

3.5 mm

35 mm

No

e0

1286 MHz

320

35 mm

XCV2000E-8FGG1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

43200

Yes

1.89 V

9600

CMOS

804

518400

1.8

1.2/3.6,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1.71 V

1 mm

85 °C (185 °F)

0.4 ns

9600 CLBS, 518400 Gates

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

3

2.6 mm

35 mm

No

e1

416 MHz

804

35 mm

XC3S1500-5FGG1156C

Xilinx

FPGA

Other

Ball

1156

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)

Bottom

S-PBGA-B1156

2.6 mm

35 mm

No

35 mm

XCV2600E-7FG1156I

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic/Epoxy

57132

Yes

1.89 V

12696

CMOS

804

685584

1.8

1.2/3.6,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1.71 V

1 mm

0.42 ns

12696 CLBS, 685584 Gates

Bottom

S-PBGA-B1156

1

2.6 mm

35 mm

No

400 MHz

804

35 mm

XCV2600E-7FGG1156I

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic/Epoxy

57132

Yes

1.89 V

14283

CMOS

804

1.8

1.2/3.6,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1.71 V

1 mm

100 °C (212 °F)

-40 °C (-40 °F)

Bottom

S-PBGA-B1156

35 mm

No

804

35 mm

XC7A25T-3FFG1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

23360

Yes

1.05 V

1825

HKMG

150

1

Grid Array

BGA1156,34X34,40

.95 V

1 mm

85 °C (185 °F)

0.94 ns

1825 CLBS

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

4

3.1 mm

35 mm

e1

1412 MHz

30 s

150

245 °C (473 °F)

35 mm

XC7VX415T-2FF1158I

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic/Epoxy

412160

Yes

CMOS

350

1,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1 mm

Tin/Lead

Bottom

S-PBGA-B1156

No

e0

1818 MHz

350

XC7A75T-1FFG1156I

Xilinx

FPGA

Industrial

Ball

1156

BGA

Square

Plastic/Epoxy

75520

Yes

1.05 V

5900

300

1

Grid Array

BGA1156,34X34,40

.95 V

1 mm

100 °C (212 °F)

1.27 ns

5900 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

4

3.1 mm

35 mm

e1

1098 MHz

30 s

300

245 °C (473 °F)

35 mm

XQ6VLX130T-L1RF1156I

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic

128000

Yes

CMOS

600

.9

0.9 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1 mm

Tin/Lead

Bottom

S-PBGA-B1156

No

e0

1098 MHz

600

XC3S2000-4FG1156C

Xilinx

FPGA

Other

Ball

1156

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)

Bottom

S-PBGA-B1156

2.6 mm

35 mm

No

35 mm

XCV2000E-6FGG1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

43200

Yes

1.89 V

9600

CMOS

804

518400

1.8

1.2/3.6,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1.71 V

1 mm

85 °C (185 °F)

0.47 ns

9600 CLBS, 518400 Gates

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

3

2.6 mm

35 mm

No

e1

357 MHz

804

35 mm

XQKU095-1RFA1156M

Xilinx

FPGA

Military

Ball

1156

BGA

Square

Plastic/Epoxy

Yes

67200

.95

Grid Array

1 mm

125 °C (257 °F)

67200 CLBS

-55 °C (-67 °F)

Tin Lead

Bottom

S-PBGA-B1156

3.72 mm

35 mm

e0

35 mm

XC7VX690T-3FF1157E

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic/Epoxy

693120

Yes

CMOS

600

1,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1 mm

Tin/Lead

Bottom

S-PBGA-B1156

4

No

e0

1818 MHz

600

XC6VHX250T-2FF1154C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

251904

Yes

1.05 V

CMOS

320

1

1,1.2/2.5 V

Grid Array

BGA1154,34X34,40

Field Programmable Gate Arrays

.95 V

1 mm

85 °C (185 °F)

4.29 ns

0 °C (32 °F)

Tin Lead

Bottom

S-PBGA-B1156

3.5 mm

35 mm

No

e0

1286 MHz

320

35 mm

XC3S200-4FGG1156I

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic/Epoxy

Yes

1.26 V

192

50000

1.2

Grid Array

1.14 V

1 mm

192 CLBS, 50000 Gates

Bottom

S-PBGA-B1156

2.6 mm

35 mm

No

35 mm

XC7V585T-3FF1157E

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic/Epoxy

582720

Yes

CMOS

600

1,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1 mm

Tin/Lead

Bottom

S-PBGA-B1156

4

No

e0

1818 MHz

600

XC7A35T-L1FFG1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

33280

Yes

.98 V

2600

250

0.95

Grid Array

BGA1156,34X34,40

.92 V

1 mm

85 °C (185 °F)

1.27 ns

2600 CLBS

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

4

3.1 mm

35 mm

e1

1098 MHz

30 s

250

245 °C (473 °F)

35 mm

XQ6VSX315T-1LFFG1156M

Xilinx

FPGA

Military

Ball

1156

BGA

Square

Plastic/Epoxy

314880

Yes

24600

CMOS

600

Grid Array

BGA1156,34X34,40

1 mm

125 °C (257 °F)

0.85 ns

24600 CLBS

-55 °C (-67 °F)

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

Bottom

S-PBGA-B1156

4

3.5 mm

35 mm

e1

30 s

600

245 °C (473 °F)

35 mm

XC7A25T-3FFG1156I

Xilinx

FPGA

Industrial

Ball

1156

BGA

Square

Plastic/Epoxy

23360

Yes

1.05 V

1825

HKMG

150

1

Grid Array

BGA1156,34X34,40

.95 V

1 mm

100 °C (212 °F)

0.94 ns

1825 CLBS

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

4

3.1 mm

35 mm

e1

1412 MHz

30 s

150

245 °C (473 °F)

35 mm

XC7VX415T-2FF1157C

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic/Epoxy

412160

Yes

CMOS

600

1,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1 mm

Tin/Lead

Bottom

S-PBGA-B1156

4

No

e0

1818 MHz

600

XC7V585T-L2FF1157E

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic/Epoxy

582720

Yes

CMOS

600

1,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1 mm

Tin/Lead

Bottom

S-PBGA-B1156

4

No

e0

1818 MHz

600

XQ6VSX475T-L1FFG1156I

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic

476000

Yes

CMOS

600

.9

0.9 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1 mm

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

Bottom

S-PBGA-B1156

4

No

e1

1098 MHz

30 s

600

245 °C (473 °F)

XC6VSX315T-3FF1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

314880

Yes

1.05 V

CMOS

600

1

1,1.2/2.5 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

.95 V

1 mm

85 °C (185 °F)

0 °C (32 °F)

Tin Lead

Bottom

S-PBGA-B1156

4

3.5 mm

35 mm

No

e0

1412 MHz

30 s

600

225 °C (437 °F)

35 mm

XC3S5000-4FGG1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

74880

Yes

1.26 V

8320

CMOS

784

5000000

1.2

1.2,1.2/3.3,2.5 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1.14 V

1 mm

85 °C (185 °F)

0.61 ns

8320 CLBS, 5000000 Gates

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

3

2.6 mm

35 mm

No

e1

630 MHz

30 s

784

245 °C (473 °F)

35 mm

XC7K420T-3FF1156E

Xilinx

FPGA

Ball

1156

BGA

Square

Plastic/Epoxy

416960

Yes

CMOS

400

1,1.8,3.3 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1 mm

Tin/Lead

Bottom

S-PBGA-B1156

No

e0

1818 MHz

400

XC7K420T-1LFFG1156I

Xilinx

FPGA

Ball

1156

Plastic/Epoxy

Yes

Grid Array

Tin Silver Copper

Bottom

4

No

e1

30 s

250 °C (482 °F)

XC6VSX475T-L1FF1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

476160

Yes

.93 V

CMOS

600

.9

1,1.2/2.5 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

.87 V

1 mm

85 °C (185 °F)

5.87 ns

0 °C (32 °F)

Tin Lead

Bottom

S-PBGA-B1156

4

3.5 mm

35 mm

No

e0

1098 MHz

30 s

600

225 °C (437 °F)

35 mm

XCV1000E-6FGG1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

27648

Yes

1.89 V

6144

CMOS

660

331776

1.8

1.2/3.6,1.8 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

1.71 V

1 mm

85 °C (185 °F)

0.47 ns

6144 CLBS, 331776 Gates

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

3

2.6 mm

35 mm

No

e1

357 MHz

660

35 mm

XC6VSX475T-L1FFG1156I

Xilinx

FPGA

Industrial

Ball

1156

BGA

Square

Plastic/Epoxy

476160

Yes

.93 V

CMOS

600

.9

1,1.2/2.5 V

Grid Array

BGA1156,34X34,40

Field Programmable Gate Arrays

.87 V

1 mm

100 °C (212 °F)

5.87 ns

-40 °C (-40 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

4

3.5 mm

35 mm

No

e1

1098 MHz

30 s

600

245 °C (473 °F)

35 mm

XC3S1500-4FG1156C

Xilinx

FPGA

Other

Ball

1156

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)

Bottom

S-PBGA-B1156

2.6 mm

35 mm

No

35 mm

XC7A35T-1FFG1156C

Xilinx

FPGA

Other

Ball

1156

BGA

Square

Plastic/Epoxy

33280

Yes

1.05 V

2600

250

1

Grid Array

BGA1156,34X34,40

.95 V

1 mm

85 °C (185 °F)

1.27 ns

2600 CLBS

0 °C (32 °F)

Tin Silver Copper

Bottom

S-PBGA-B1156

4

3.1 mm

35 mm

e1

1098 MHz

30 s

250

245 °C (473 °F)

35 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.