Texas Instruments Programmable Logic Devices (PLD) 1,713

Reset All
Part RoHS Manufacturer Programmable IC Type Grading Of Temperature Form Of Terminal No. of Terminals Package Code Package Shape Package Body Material Propagation Delay No. of Logic Cells Surface Mount Maximum Supply Voltage No. of Macro Cells Technology Used Screening Level No. of Inputs Architecture Nominal Supply Voltage (V) Packing Method Power Supplies (V) Package Style (Meter) Package Equivalence Code Sub-Category In-System Programmable Output Function Minimum Supply Voltage No. of Product Terms Pitch Of Terminal Maximum Operating Temperature Organization No. of Dedicated Inputs 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 JTAG Boundary Scan Test No. of I/O Lines

PAL16R6AMFK

Texas Instruments

OT PLD

Military

No Lead

20

QCCN

Square

Ceramic, Metal-Sealed Cofired

30 ns

Yes

5.5 V

TTL

10

PAL-TYPE

5

5 V

Chip Carrier

LCC20,.35SQ

Programmable Logic Devices

Mixed

4.5 V

64

1.27 mm

125 °C (257 °F)

8 Dedicated Inputs, 2 I/O

8

-55 °C (-67 °F)

Quad

S-CQCC-N20

2.03 mm

8.89 mm

No

25 MHz

6

8.89 mm

2

TIBPALT19R6MJWB

Texas Instruments

OT PLD

Military

Through-Hole

24

DIP

Rectangular

Ceramic

No

TTL

38535Q/M;38534H;883B

19

PAL-TYPE

5

5 V

In-Line

DIP24,.6

Programmable Logic Devices

Registered

64

2.54 mm

125 °C (257 °F)

-55 °C (-67 °F)

Dual

R-XDIP-T24

No

8

TIBPALT19L8MFKB

Texas Instruments

OT PLD

Military

No Lead

28

QCCN

Square

Ceramic

Yes

TTL

38535Q/M;38534H;883B

19

PAL-TYPE

5

5 V

Chip Carrier

LCC28,.45SQ

Programmable Logic Devices

Combinatorial

64

1.27 mm

125 °C (257 °F)

-55 °C (-67 °F)

Quad

S-XQCC-N28

No

8

TIB82S105BCN

Texas Instruments

OT PLD

Commercial Extended

Through-Hole

28

DIP

Rectangular

Plastic/Epoxy

20 ns

No

5.25 V

TTL

16

PLS-TYPE

5

5 V

In-Line

DIP28,.6

Programmable Logic Devices

Registered

4.75 V

48

2.54 mm

75 °C (167 °F)

16 Dedicated Inputs, 0 I/O

16

0 °C (32 °F)

Dual

R-PDIP-T28

5.08 mm

15.24 mm

No

Programmable Logic Sequencer

30 MHz

8

36.32 mm

0

TIB82S105BMJD

Texas Instruments

OT PLD

Military

Through-Hole

28

DIP

Rectangular

Ceramic, Metal-Sealed Cofired

25 ns

No

5.5 V

TTL

16

PLS-TYPE

5

5 V

In-Line

DIP28,.6

Programmable Logic Devices

Registered

4.5 V

48

2.54 mm

125 °C (257 °F)

16 Dedicated Inputs, 0 I/O

16

-55 °C (-67 °F)

Dual

R-CDIP-T28

No

Field-Programmable Logic Sequencer

25 MHz

8

0

JM38510/50501BLA

Texas Instruments

OT PLD

Military

Through-Hole

24

DIP

Rectangular

Ceramic, Glass-Sealed

25 ns

No

5.25 V

TTL

MIL-M-38510 Class B

5

In-Line

Combinatorial

4.75 V

2.54 mm

125 °C (257 °F)

14 Dedicated Inputs, 6 I/O

14

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T24

5.08 mm

7.62 mm

No

e0

40 MHz

32.005 mm

6

PAL16R8AMFKB

Texas Instruments

OT PLD

Military

No Lead

20

QCCN

Square

Ceramic, Metal-Sealed Cofired

25 ns

Yes

5.5 V

TTL

38535Q/M;38534H;883B

8

PAL-TYPE

5

Tube

5 V

Chip Carrier

LCC20,.35SQ

Programmable Logic Devices

No

Registered

4.5 V

64

1.27 mm

125 °C (257 °F)

8 Dedicated Inputs, 0 I/O

8

-55 °C (-67 °F)

Tin Lead

Quad

S-CQCC-N20

2.03 mm

8.89 mm

No

e0

25 MHz

8

8.89 mm

No

0

TIBPAL16R6-15MFK

Texas Instruments

OT PLD

Military

No Lead

20

QCCN

Square

Ceramic, Metal-Sealed Cofired

15 ns

Yes

5.5 V

TTL

10

PAL-TYPE

5

5 V

Chip Carrier

LCC20,.35SQ

Programmable Logic Devices

Mixed

4.5 V

64

1.27 mm

125 °C (257 °F)

8 Dedicated Inputs, 2 I/O

8

-55 °C (-67 °F)

Quad

S-CQCC-N20

2.03 mm

8.89 mm

No

Power-Up Reset

50 MHz

6

8.89 mm

2

TIBPALR19L8MJW

Texas Instruments

OT PLD

Military

Through-Hole

24

DIP

Rectangular

Ceramic, Glass-Sealed

30 ns

No

5.5 V

TTL

19

PAL-TYPE

5

5 V

In-Line

DIP24,.6

Programmable Logic Devices

Combinatorial

4.5 V

64

2.54 mm

125 °C (257 °F)

2 Dedicated Inputs, 6 I/O

2

-55 °C (-67 °F)

Dual

R-GDIP-T24

No

8

6

TIBPAL20L8-25CNT

Texas Instruments

OT PLD

Commercial Extended

Through-Hole

24

DIP

Rectangular

Plastic/Epoxy

25 ns

No

5.25 V

TTL

20

PAL-TYPE

5

5 V

In-Line

DIP24,.3

Programmable Logic Devices

Combinatorial

4.75 V

64

2.54 mm

75 °C (167 °F)

14 Dedicated Inputs, 6 I/O

14

0 °C (32 °F)

Nickel Palladium Gold

Dual

R-PDIP-T24

5.08 mm

7.62 mm

No

e4

25 MHz

8

31.64 mm

6

TIBPAL16R8-25CFN

Texas Instruments

OT PLD

Commercial Extended

J Bend

20

QCCJ

Square

Plastic/Epoxy

20 ns

Yes

5.25 V

TTL

MIL-STD-883

8

PAL-TYPE

5

5 V

Chip Carrier

LDCC20,.4SQ

Programmable Logic Devices

Registered

4.75 V

64

1.27 mm

75 °C (167 °F)

8 Dedicated Inputs, 0 I/O

8

0 °C (32 °F)

Nickel Palladium Gold

Quad

S-PQCC-J20

3

4.57 mm

8.965 mm

No

Power-Up Reset

e4

30 MHz

30 s

8

245 °C (473 °F)

8.965 mm

0

5962-94B0513Q5X

Texas Instruments

No

TIBPAL20R4-7CNT

Texas Instruments

OT PLD

Commercial Extended

Through-Hole

24

DIP

Rectangular

Plastic/Epoxy

9 ns

No

5.25 V

TTL

16

PAL-TYPE

5

5 V

In-Line

DIP24,.3

Programmable Logic Devices

Mixed

4.75 V

64

2.54 mm

75 °C (167 °F)

12 Dedicated Inputs, 4 I/O

12

0 °C (32 °F)

Dual

R-PDIP-T24

5.08 mm

7.62 mm

No

Register Preload; Power-Up Reset

74 MHz

8

31.64 mm

4

PAL16R8AMWB

Texas Instruments

OT PLD

Military

Flat

20

DFP

Rectangular

Ceramic, Glass-Sealed

25 ns

Yes

5.5 V

TTL

38535Q/M;38534H;883B

8

PAL-TYPE

5

5 V

Flatpack

FL20,.3

Programmable Logic Devices

Registered

4.5 V

64

1.27 mm

125 °C (257 °F)

8 Dedicated Inputs, 0 I/O

8

-55 °C (-67 °F)

Dual

R-GDFP-F20

2.54 mm

6.92 mm

No

25 MHz

8

0

5962-85155092A

Texas Instruments

OT PLD

Military

No Lead

20

QCCN

Square

Ceramic, Metal-Sealed Cofired

15 ns

Yes

5.5 V

TTL

MIL-STD-883

16

PAL-TYPE

5

5 V

Chip Carrier

LCC20,.35SQ

Programmable Logic Devices

Combinatorial

4.5 V

64

1.27 mm

125 °C (257 °F)

10 Dedicated Inputs, 6 I/O

10

-55 °C (-67 °F)

Quad

S-CQCC-N20

2.03 mm

8.89 mm

No

50 MHz

8

8.89 mm

6

5962-94B0501QXA

Texas Instruments

Tin Lead

No

e0

TIBPAL20R4-5CNT

Texas Instruments

OT PLD

Commercial Extended

Through-Hole

24

DIP

Rectangular

Plastic/Epoxy

7 ns

No

5.25 V

TTL

16

PAL-TYPE

5

5 V

In-Line

DIP24,.3

Programmable Logic Devices

Mixed

4.75 V

64

2.54 mm

75 °C (167 °F)

12 Dedicated Inputs, 4 I/O

12

0 °C (32 °F)

Dual

R-PDIP-T24

5.08 mm

7.62 mm

No

Register Preload; Power-Up Reset

111 MHz

8

31.64 mm

4

TIBPAL22V10AMFK

Texas Instruments

OT PLD

Military

No Lead

28

QCCN

Square

Ceramic, Metal-Sealed Cofired

30 ns

Yes

5.5 V

TTL

22

PAL-TYPE

5

5 V

Chip Carrier

LCC28,.45SQ

Programmable Logic Devices

Macrocell

4.5 V

132

1.27 mm

125 °C (257 °F)

11 Dedicated Inputs, 10 I/O

11

-55 °C (-67 °F)

Quad

S-CQCC-N28

2.03 mm

11.43 mm

No

PAL with Macrocells; 10 Macrocells; 1 External Clock; Shared Input/Clock

22 MHz

10

11.43 mm

10

M38510/50404BRA

Texas Instruments

OT PLD

Military

Through-Hole

20

DIP

Rectangular

Ceramic, Glass-Sealed

30 ns

No

5.5 V

Bipolar

MIL-M-38510 Class B

12

PAL-TYPE

5

Tube

5 V

In-Line

DIP20,.3

Programmable Logic Devices

No

Combinatorial

4.5 V

64

2.54 mm

125 °C (257 °F)

10 Dedicated Inputs, 8 I/O

10

-55 °C (-67 °F)

Tin Lead

Dual

R-GDIP-T20

Yes

e0

20 MHz

8

No

8

SN74LS336NP1

Texas Instruments

EE PLD

Commercial

Through-Hole

24

DIP

Rectangular

Plastic/Epoxy

No

TTL

12

PLA-TYPE

5

5 V

In-Line

DIP24,.6

Programmable Logic Devices

32

2.54 mm

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDIP-T24

No

6

TIBPAL20X8-30CFN

Texas Instruments

OT PLD

Commercial Extended

J Bend

28

QCCJ

Square

Plastic/Epoxy

30 ns

Yes

5.25 V

TTL

5

Chip Carrier

Mixed

4.75 V

1.27 mm

75 °C (167 °F)

10 Dedicated Inputs, 2 I/O

10

0 °C (32 °F)

Quad

S-PQCC-J28

4.57 mm

11.5062 mm

No

Power-Up Reset; 1 External Clock; Register Preload

22.2 MHz

11.5062 mm

2

5962-94B0503Q6A

Texas Instruments

Tin Lead

No

e0

TIBPAL20X8-25MJT

Texas Instruments

OT PLD

Military

Through-Hole

24

DIP

Rectangular

Ceramic, Glass-Sealed

25 ns

No

5.5 V

TTL

12

PAL-TYPE

5

5 V

In-Line

DIP24,.3

Programmable Logic Devices

Mixed

4.5 V

40

2.54 mm

125 °C (257 °F)

10 Dedicated Inputs, 2 I/O

10

-55 °C (-67 °F)

Dual

R-GDIP-T24

No

Power-Up Reset; 1 External Clock; Register Preload

25 MHz

10

2

PAL16R6AMJB

Texas Instruments

OT PLD

Military

Through-Hole

20

DIP

Rectangular

Ceramic, Glass-Sealed

30 ns

No

5.5 V

TTL

38535Q/M;38534H;883B

10

PAL-TYPE

5

Tube

5 V

In-Line

DIP20,.3

Programmable Logic Devices

No

Mixed

4.5 V

64

2.54 mm

125 °C (257 °F)

8 Dedicated Inputs, 2 I/O

8

-55 °C (-67 °F)

Tin/Lead

Dual

R-GDIP-T20

5.08 mm

7.62 mm

No

e0

25 MHz

6

24.195 mm

No

2

EP910PC-30

Texas Instruments

OT PLD

Commercial

Through-Hole

40

DIP

Rectangular

Plastic/Epoxy

33 ns

No

5.25 V

CMOS

36

PAL-TYPE

5

5 V

In-Line

DIP40,.6

Programmable Logic Devices

Macrocell

4.75 V

240

2.54 mm

70 °C (158 °F)

12 Dedicated Inputs, 24 I/O

12

0 °C (32 °F)

Dual

R-PDIP-T40

No

24 Macrocell; Configurable I/O

33.3 MHz

24

24

TIBPALT19R8MFK

Texas Instruments

OT PLD

Military

No Lead

28

QCCN

Square

Ceramic, Metal-Sealed Cofired

25 ns

Yes

5.5 V

TTL

19

PAL-TYPE

5

5 V

Chip Carrier

LCC28,.45SQ

Programmable Logic Devices

Registered

4.5 V

64

1.27 mm

125 °C (257 °F)

0 Dedicated Inputs, 0 I/O

0

-55 °C (-67 °F)

Quad

S-CQCC-N28

2.03 mm

11.43 mm

No

1 External Clock; Register Preload

20 MHz

8

11.43 mm

0

TGC118M

Texas Instruments

OT PLD

Military

5.5 V

CMOS

5

4.5 V

125 °C (257 °F)

0 Dedicated Inputs, 0 I/O

0

-55 °C (-67 °F)

No

0

5962-94B0502Q4X

Texas Instruments

No

TIBPAL16R8-7MWB

Texas Instruments

OT PLD

Military

Flat

20

DFP

Rectangular

Ceramic, Glass-Sealed

10 ns

Yes

5.5 V

TTL

MIL-PRF-38535

8

PAL-TYPE

5

5 V

Flatpack

FL20,.3

Programmable Logic Devices

Registered

4.5 V

64

1.27 mm

125 °C (257 °F)

8 Dedicated Inputs, 0 I/O

8

-55 °C (-67 °F)

Dual

R-GDFP-F20

2.54 mm

6.92 mm

No

74 MHz

8

0

5962-8515514RA

Texas Instruments

OT PLD

Military

Through-Hole

20

DIP

Rectangular

Ceramic, Glass-Sealed

10 ns

No

5.5 V

TTL

MIL-STD-883

8

PAL-TYPE

5

5 V

In-Line

DIP20,.3

Programmable Logic Devices

Registered

4.5 V

64

2.54 mm

125 °C (257 °F)

8 Dedicated Inputs, 0 I/O

8

-55 °C (-67 °F)

Dual

R-GDIP-T20

5.08 mm

7.62 mm

No

48 MHz

8

0

EP630-25MFZB

Texas Instruments

OT PLD

Military

J Bend

28

WQCCJ

Square

Ceramic, Metal-Sealed Cofired

30 ns

Yes

5.5 V

CMOS

38535Q/M;38534H;883B

20

PAL-TYPE

5

5 V

Chip Carrier, Window

FL(UNSPEC)

Programmable Logic Devices

Macrocell

4.5 V

160

1.27 mm

125 °C (257 °F)

4 Dedicated Inputs, 16 I/O

4

-55 °C (-67 °F)

Quad

S-CQCC-J28

4.57 mm

11.24 mm

No

40 MHz

16

11.24 mm

16

TIBPSG507AMJT

Texas Instruments

OT PLD

Military

Through-Hole

24

DIP

Rectangular

Ceramic

No

TTL

13

PLS-TYPE

5

5 V

In-Line

DIP24,.3

Programmable Logic Devices

80

2.54 mm

125 °C (257 °F)

-55 °C (-67 °F)

Dual

R-XDIP-T24

No

33 MHz

8

TIBPAL20L8-25CNT3

Texas Instruments

OT PLD

Commercial

Through-Hole

24

DIP

Rectangular

Plastic/Epoxy

25 ns

No

TTL

20

PAL-TYPE

5

5 V

In-Line

DIP24,.3

Programmable Logic Devices

Combinatorial

64

2.54 mm

70 °C (158 °F)

0 °C (32 °F)

Dual

R-PDIP-T24

8

5962-94B0511QUA

Texas Instruments

Tin Lead

No

e0

SNC54LS333W

Texas Instruments

EE PLD

Military

Flat

24

DFP

Rectangular

Ceramic

Yes

TTL

MIL-STD-883 Class B (Modified)

12

PLS-TYPE

5

5 V

Flatpack

FL24,.4

Programmable Logic Devices

32

1.27 mm

125 °C (257 °F)

-55 °C (-67 °F)

Dual

R-XDFP-F24

No

6

TIBPAL20X4-25MWB

Texas Instruments

EE PLD

Military

Flat

24

DFP

Rectangular

Ceramic

Yes

TTL

38535Q/M;38534H;883B

16

PAL-TYPE

5

5 V

Flatpack

FL24,.4

Programmable Logic Devices

40

1.27 mm

125 °C (257 °F)

-55 °C (-67 °F)

Dual

R-XDFP-F24

No

25 MHz

10

TIBPAL16R8-12MJ

Texas Instruments

OT PLD

Military

Through-Hole

20

DIP

Rectangular

Ceramic, Glass-Sealed

10 ns

No

5.5 V

TTL

8

PAL-TYPE

5

5 V

In-Line

DIP20,.3

Programmable Logic Devices

Registered

4.5 V

64

2.54 mm

125 °C (257 °F)

8 Dedicated Inputs, 0 I/O

8

-55 °C (-67 °F)

Dual

R-GDIP-T20

5.08 mm

7.62 mm

No

Power-Up Reset; Register Preload

48 MHz

8

24.195 mm

0

PAL16L8A-2MJB

Texas Instruments

OT PLD

Military

Through-Hole

20

DIP

Rectangular

Ceramic, Glass-Sealed

40 ns

No

5.5 V

TTL

38535Q/M;38534H;883B

16

PAL-TYPE

5

Tube

5 V

In-Line

DIP20,.3

Programmable Logic Devices

No

Combinatorial

4.5 V

64

2.54 mm

125 °C (257 °F)

10 Dedicated Inputs, 6 I/O

10

-55 °C (-67 °F)

Tin/Lead

Dual

R-GDIP-T20

5.08 mm

7.62 mm

No

e0

16 MHz

8

24.195 mm

No

6

JM38510/50607BRA

Texas Instruments

OT PLD

Military

Through-Hole

20

DIP

Rectangular

Ceramic, Glass-Sealed

30 ns

No

5.5 V

TTL

MIL-M-38510 Class B

5

In-Line

Mixed

4.5 V

2.54 mm

125 °C (257 °F)

8 Dedicated Inputs, 2 I/O

8

-55 °C (-67 °F)

Dual

R-GDIP-T20

5.08 mm

7.62 mm

No

25 MHz

2

5962-87671023A

Texas Instruments

OT PLD

Military

No Lead

28

QCCN

Square

Ceramic, Metal-Sealed Cofired

20 ns

Yes

5.25 V

TTL

MIL-STD-883

12

PAL-TYPE

5

5 V

Chip Carrier

LCC28,.45SQ

Programmable Logic Devices

Registered

4.75 V

64

1.27 mm

125 °C (257 °F)

12 Dedicated Inputs, 0 I/O

12

-55 °C (-67 °F)

Quad

S-CQCC-N28

2.03 mm

11.43 mm

No

28.5 MHz

8

11.43 mm

0

TIBPAL16R6-12MWB

Texas Instruments

OT PLD

Military

Flat

20

DFP

Rectangular

Ceramic, Glass-Sealed

14 ns

Yes

5.5 V

TTL

MIL-PRF-38535

10

PAL-TYPE

5

5 V

Flatpack

FL20,.3

Programmable Logic Devices

Mixed

4.5 V

64

1.27 mm

125 °C (257 °F)

8 Dedicated Inputs, 2 I/O

8

-55 °C (-67 °F)

Dual

R-GDFP-F20

2.45 mm

6.92 mm

No

48 MHz

8

2

EP910JC-35

Texas Instruments

UV PLD

Commercial

J Bend

44

QCCJ

Square

Ceramic, Metal-Sealed Cofired

38 ns

Yes

5.25 V

CMOS

36

PAL-TYPE

5

5 V

Chip Carrier

LDCC44,.7SQ

Programmable Logic Devices

Macrocell

4.75 V

240

1.27 mm

70 °C (158 °F)

12 Dedicated Inputs, 24 I/O

12

0 °C (32 °F)

Quad

S-CQCC-J44

No

24 Macrocell; Configurable I/O

31.3 MHz

24

24

EP330-15CFN

Texas Instruments

OT PLD

Commercial

J Bend

20

QCCJ

Square

Plastic/Epoxy

16 ns

Yes

5.25 V

CMOS

18

PAL-TYPE

5

5 V

Chip Carrier

LDCC20,.4SQ

Programmable Logic Devices

Macrocell

4.75 V

72

1.27 mm

70 °C (158 °F)

9 Dedicated Inputs, 8 I/O

9

0 °C (32 °F)

Quad

S-PQCC-J20

4.57 mm

8.9662 mm

No

8 Macrocells; 1 External Clock; Shared Input/Clock

55.6 MHz

8

8.9662 mm

8

5962-94B0509QMX

Texas Instruments

No

8412901LX

Texas Instruments

OT PLD

Military

Through-Hole

24

DIP

Rectangular

Ceramic, Glass-Sealed

20 ns

No

5.5 V

TTL

5

In-Line

Combinatorial

4.5 V

125 °C (257 °F)

14 Dedicated Inputs, 6 I/O

14

-55 °C (-67 °F)

Dual

R-GDIP-T24

Yes

6

5962-94B0503Q5X

Texas Instruments

No

8412906LA

Texas Instruments

OT PLD

Military

Through-Hole

24

DIP

Rectangular

Plastic/Epoxy

35 ns

No

5.5 V

TTL

5

In-Line

Mixed

4.5 V

2.54 mm

125 °C (257 °F)

10 Dedicated Inputs, 2 I/O

10

-55 °C (-67 °F)

Dual

R-PDIP-T24

4.064 mm

7.62 mm

15.4 MHz

30.378 mm

2

TIBPAL16R4-10MJ

Texas Instruments

OT PLD

Military

Through-Hole

20

DIP

Rectangular

Ceramic, Glass-Sealed

12 ns

No

5.5 V

TTL

12

PAL-TYPE

5

5 V

In-Line

DIP20,.3

Programmable Logic Devices

Mixed

4.5 V

64

2.54 mm

125 °C (257 °F)

8 Dedicated Inputs, 4 I/O

8

-55 °C (-67 °F)

Dual

R-GDIP-T20

5.08 mm

7.62 mm

No

Power-Up Reset; Register Preload

52.5 MHz

8

24.195 mm

4

Programmable Logic Devices (PLD)

Programmable Logic Devices (PLDs) are digital circuits that are designed to be programmed by the user to perform specific logic functions. They consist of an array 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 PLDs highly versatile and customizable, and they are often used in applications where a high degree of flexibility and performance is required.

PLDs 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 PLD hardware. The resulting configuration data is then loaded onto the PLD, allowing it to perform the desired logic functions.

PLDs 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.