COMMERCIAL Digital Shift Registers 1,172

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Part RoHS Manufacturer Logic IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Schmitt Trigger Surface Mount No. of Functions Maximum Frequency At Nominal Supply Technology Screening Level No. of Bits Packing Method Nominal Supply Voltage / Vsup (V) Power Supplies (V) Load Capacitance (CL) Package Style (Meter) Package Equivalence Code Propagation Delay (tpd) Maximum I (ol) Sub-Category Terminal Pitch Maximum Operating Temperature Count Direction Output Characteristics Trigger Type Minimum Operating Temperature Terminal Finish Terminal Position Minimum fmax JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Width Qualification Output Polarity Minimum Supply Voltage (Vsup) Maximum Power Supply Current (ICC) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Family

SN74166NP3

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP16,.3

30 ns

Shift Registers

2.54 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

DUAL

25 MHz

R-PDIP-T16

5.25 V

TRUE

4.75 V

CLOCK INHIBIT

NOT SPECIFIED

NOT SPECIFIED

TTL/H/L

SN74198JP4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

24

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

IN-LINE

DIP24,.6

Shift Registers

2.54 mm

70 Cel

BIDIRECTIONAL

0 Cel

DUAL

R-XDIP-T24

SN7494N

Texas Instruments

PARALLEL IN SERIAL OUT

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

5

5

15 pF

IN-LINE

DIP16,.3

40 ns

Shift Registers

2.54 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

DUAL

10 MHz

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

58 mA

CLEAR FOLLOWED BY SELECTIVE PRESET IMITATES LOAD

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74L96N

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

5000000 Hz

TTL

5

IN-LINE

DIP16,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74LS671DW

Texas Instruments

PARALLEL IN PARALLEL OUT

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

5

15 pF

SMALL OUTLINE

SOP20,.4

25 ns

Shift Registers

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

POSITIVE EDGE

0 Cel

DUAL

R-PDSO-G20

5.25 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.75 V

70 mA

MUXED REGISTERED/STANDARD PARALLEL OUTPUTS

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

LS

SN74AS195J

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

4

IN-LINE

DIP16,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74AS299J

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

IN-LINE

DIP20,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74LS166ADE4

Texas Instruments

PARALLEL IN SERIAL OUT

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

25000000 Hz

TTL

8

5

5

15 pF

SMALL OUTLINE

SOP16,.25

25 ns

Shift Registers

1.27 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

25 MHz

R-PDSO-G16

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.75 V

32 mA

CLOCK INHIBIT

e4

30

260

9.9 mm

LS

SN74ALS963DWR

Texas Instruments

PARALLEL IN PARALLEL OUT

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

50 pF

SMALL OUTLINE

1.27 mm

70 Cel

RIGHT

3-STATE

POSITIVE EDGE

0 Cel

DUAL

30 MHz

R-PDSO-G20

5.5 V

2.65 mm

7.5 mm

Not Qualified

TRUE

4.5 V

PARALLEL OUTPUT IS REGISTERED; DUAL RANK SHIFT REGISTER

12.8 mm

ALS

SN74AS95AN

Texas Instruments

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

IN-LINE

DIP14,.3

Shift Registers

2.54 mm

70 Cel

BIDIRECTIONAL

0 Cel

DUAL

R-PDIP-T14

Not Qualified

SN74F323N

Texas Instruments

PARALLEL IN PARALLEL OUT

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

70000000 Hz

TTL

8

5

5

50 pF

IN-LINE

DIP20,.3

12 ns

Shift Registers

2.54 mm

70 Cel

BIDIRECTIONAL

3-STATE

POSITIVE EDGE

0 Cel

DUAL

70 MHz

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

95 mA

HOLD MODE; COMMON I/O PINS; TOTEMPOLE SERIAL SHIFT RIGHT & SHIFT LEFT OUTPUTS; GATED OUTPUT CONTROL

NOT SPECIFIED

NOT SPECIFIED

24.325 mm

F/FAST

SN74ALS164DR

Texas Instruments

SERIAL IN PARALLEL OUT

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

5

50 pF

SMALL OUTLINE

17 ns

1.27 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

DUAL

75 MHz

R-PDSO-G14

5.5 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.5 V

24 mA

8.65 mm

ALS

SN74LS299N-00

Texas Instruments

PARALLEL IN PARALLEL OUT

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

45 pF

IN-LINE

25 ns

2.54 mm

70 Cel

BIDIRECTIONAL

3-STATE

POSITIVE EDGE

0 Cel

DUAL

50 MHz

R-PDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

60 mA

HOLD MODE

24.325 mm

LS

SN74166JP4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

5

5

IN-LINE

DIP16,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74LS194AFN3

Texas Instruments

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

4

5

5

CHIP CARRIER

LDCC20,.4SQ

Shift Registers

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

SN74L95N3

Texas Instruments

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

5

5

IN-LINE

DIP14,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T14

SN74LS165AFN3

Texas Instruments

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

5

5

CHIP CARRIER

LDCC20,.4SQ

Shift Registers

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

SN74LS594N

Texas Instruments

SERIAL IN PARALLEL OUT

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

NO

1

TTL

8

TUBE

5

30 pF

IN-LINE

DIP16,.3

23 ns

24 Amp

Shift Registers

2.54 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

25 MHz

R-PDIP-T16

5.25 V

5.08 mm

6.35 mm

Not Qualified

TRUE

4.75 V

65 mA

PARALLEL OUTPUT IS REGISTERED; ASYNCHRONOUS CLEAR FOR STORAGE REGISTER

e4

19.3 mm

LS

SN74L99J-00

Texas Instruments

PARALLEL IN PARALLEL OUT

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

4

5

50 pF

IN-LINE

200 ns

2.54 mm

70 Cel

RIGHT

NEGATIVE EDGE

0 Cel

DUAL

5 MHz

R-GDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

9 mA

SEPARATE CLOCKS FOR SHIFT RIGHT & LOAD

19.56 mm

TTL/H/L

SN74LS299J-00

Texas Instruments

PARALLEL IN PARALLEL OUT

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

8

5

45 pF

IN-LINE

25 ns

2.54 mm

70 Cel

BIDIRECTIONAL

3-STATE

POSITIVE EDGE

0 Cel

DUAL

50 MHz

R-GDIP-T20

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

60 mA

HOLD MODE

24.195 mm

LS

SN74LS164J

Texas Instruments

SERIAL IN PARALLEL OUT

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

TTL

8

5

5

15 pF

IN-LINE

DIP14,.3

32 ns

Shift Registers

2.54 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

DUAL

25 MHz

R-GDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

27 mA

GATED SERIAL INPUTS (A AND B)

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

LS

SN74LS164DG4

Texas Instruments

SERIAL IN PARALLEL OUT

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

25000000 Hz

TTL

8

5

5

SMALL OUTLINE

SOP14,.25

32 ns

Shift Registers

1.27 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

36 MHz

R-PDSO-G14

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.75 V

GATED SERIAL INPUTS (A AND B)

e4

30

260

8.65 mm

LS

SN74165N3

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP16,.3

Shift Registers

2.54 mm

70 Cel

RIGHT

0 Cel

DUAL

R-PDIP-T16

SN74LS194AN1

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

5

5

IN-LINE

DIP16,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN74ALS164J

Texas Instruments

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

5

5

IN-LINE

DIP14,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T14

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74ALS164ADE4

Texas Instruments

SERIAL IN PARALLEL OUT

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

50000000 Hz

TTL

8

5

5

50 pF

SMALL OUTLINE

SOP14,.25

17 ns

Shift Register

1.27 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

50 MHz

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

TRUE

4.5 V

24 mA

AND-GATED SERIAL (A AND B) INPUTS

e4

30

260

8.65 mm

ALS

SN74LS165N1

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP16,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

Not Qualified

SN7495AN

Texas Instruments

PARALLEL IN PARALLEL OUT

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

25000000 Hz

TTL

4

5

5

15 pF

IN-LINE

DIP14,.3

32 ns

Shift Registers

2.54 mm

70 Cel

RIGHT

NEGATIVE EDGE

0 Cel

DUAL

25 MHz

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

63 mA

SEPARATE CLOCKS FOR SHIFT RIGHT & LOAD

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

TTL/H/L

SN74LS597NP1

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

IN-LINE

DIP16,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74S194D3

Texas Instruments

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

5

5

SMALL OUTLINE

SOP16,.25

Shift Registers

1.27 mm

70 Cel

BIDIRECTIONAL

0 Cel

DUAL

R-PDSO-G16

SN74LS589DP3

Texas Instruments

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

8

SMALL OUTLINE

SOP16,.25

Shift Registers

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G16

NOT SPECIFIED

NOT SPECIFIED

SN74S195J4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

4

5

5

IN-LINE

DIP16,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T16

SN74ALS323J4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

5

5

IN-LINE

DIP20,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T20

SN74AS195FN

Texas Instruments

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

4

CHIP CARRIER

LDCC20,.4SQ

Shift Registers

1.27 mm

70 Cel

RIGHT

0 Cel

QUAD

S-PQCC-J20

Not Qualified

SN74S195FN3

Texas Instruments

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

4

5

5

CHIP CARRIER

LDCC20,.4SQ

Shift Registers

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

SN74164NP1

Texas Instruments

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP14,.3

Shift Registers

2.54 mm

70 Cel

RIGHT

0 Cel

DUAL

R-PDIP-T14

Not Qualified

SN74LS96N-00

Texas Instruments

PARALLEL IN PARALLEL OUT

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

5

5

15 pF

IN-LINE

40 ns

2.54 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

DUAL

25 MHz

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

20 mA

CLEAR FOLLOWED BY SELECTIVE PRESET IMITATES LOAD

19.305 mm

LS

SN74164N-00

Texas Instruments

SERIAL IN PARALLEL OUT

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

50 pF

IN-LINE

37 ns

2.54 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

DUAL

36 MHz

R-PDIP-T14

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

54 mA

19.305 mm

TTL/H/L

SN74ALS323NSRG4

Texas Instruments

PARALLEL IN PARALLEL OUT

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

17000000 Hz

TTL

8

5

5

SMALL OUTLINE

SOP20,.3

19 ns

Shift Registers

1.27 mm

70 Cel

BIDIRECTIONAL

3-STATE

POSITIVE EDGE

0 Cel

DUAL

17 MHz

R-PDSO-G20

5.5 V

2 mm

5.3 mm

Not Qualified

TRUE

4.5 V

NOT SPECIFIED

NOT SPECIFIED

12.6 mm

ALS

SN74LS671JP4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

4

IN-LINE

DIP20,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T20

NOT SPECIFIED

NOT SPECIFIED

SN74164N1

Texas Instruments

COMMERCIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

8

5

5

IN-LINE

DIP14,.3

Shift Registers

2.54 mm

70 Cel

RIGHT

0 Cel

DUAL

R-PDIP-T14

Not Qualified

SN74AS299FN3

Texas Instruments

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

8

CHIP CARRIER

LDCC20,.4SQ

Shift Registers

1.27 mm

70 Cel

0 Cel

QUAD

S-PQCC-J20

NOT SPECIFIED

NOT SPECIFIED

SN74LS672DW3

Texas Instruments

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

TTL

4

SMALL OUTLINE

SOP20,.4

Shift Registers

1.27 mm

70 Cel

0 Cel

DUAL

R-PDSO-G20

NOT SPECIFIED

NOT SPECIFIED

SN74LS96N-10

Texas Instruments

PARALLEL IN PARALLEL OUT

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

5

5

15 pF

IN-LINE

40 ns

2.54 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

DUAL

25 MHz

R-PDIP-T16

5.25 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.75 V

20 mA

CLEAR FOLLOWED BY SELECTIVE PRESET IMITATES LOAD

19.305 mm

LS

SN74ALS166J4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

IN-LINE

DIP16,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-XDIP-T16

NOT SPECIFIED

NOT SPECIFIED

SN74LS671N1

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

IN-LINE

DIP20,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN74LS195AFN

Texas Instruments

PARALLEL IN PARALLEL OUT

COMMERCIAL

J BEND

20

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

TTL

4

5

5

15 pF

CHIP CARRIER

LDCC20,.4SQ

26 ns

Shift Registers

1.27 mm

70 Cel

RIGHT

POSITIVE EDGE

0 Cel

QUAD

30 MHz

S-PQCC-J20

5.25 V

4.57 mm

8.9662 mm

Not Qualified

TRUE

4.75 V

21 mA

COMPLEMENTARY SERIAL SHIFT RIGHT OUTPUT; J AND KBAR SERIAL INPUT

NOT SPECIFIED

NOT SPECIFIED

8.9662 mm

LS

SN74LS395AN1

Texas Instruments

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

TTL

4

5

5

IN-LINE

DIP16,.3

Shift Registers

2.54 mm

70 Cel

0 Cel

DUAL

R-PDIP-T16

Not Qualified

Digital Shift Registers

Digital shift registers are electronic circuits that can store and shift data in a serial-in, serial-out (SISO) or parallel-in, serial-out (PISO) fashion. They are commonly used in digital systems for data storage, data transfer, and signal processing applications.

Shift registers can be designed using various types of flip-flops, such as D flip-flops, JK flip-flops, and T flip-flops. They can also be designed using various technologies, including transistor-transistor logic (TTL), complementary metal-oxide-semiconductor (CMOS), and field-programmable gate arrays (FPGAs).

Digital shift registers can be classified into various types based on their operation mode and the direction of data shift. The most common types of shift registers include:

1. Serial-in, serial-out (SISO) shift registers: These shift registers have one serial input and one serial output. They can shift data in one direction, either left or right, and can be used for data storage, delay generation, and signal processing applications.

2. Parallel-in, serial-out (PISO) shift registers: These shift registers have multiple parallel inputs and one serial output. They can shift data from multiple inputs to a single output in a serial fashion and can be used for data transfer and signal processing applications.

3. Serial-in, parallel-out (SIPO) shift registers: These shift registers have one serial input and multiple parallel outputs. They can shift data from a single input to multiple outputs in a parallel fashion and can be used for data storage and signal processing applications.

4. Parallel-in, parallel-out (PIPO) shift registers: These shift registers have multiple parallel inputs and multiple parallel outputs. They can shift data from multiple inputs to multiple outputs in a parallel fashion and can be used for data transfer and signal processing applications.

Digital shift registers are used in various applications, including serial-to-parallel conversion, parallel-to-serial conversion, data storage, data transfer, and signal processing. They are essential components of digital systems and can be found in many electronic devices, such as computers, mobile phones, and digital cameras.