DIP Digital Shift Registers 2,271

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Part	Manufacturer	Logic IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Schmitt Trigger	Surface Mount	No. of Functions	Maximum Frequency At Nominal Supply	Technology	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
MM74HC164N/A+	Texas Instruments	SERIAL IN PARALLEL OUT		THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		CMOS	8		5		50 pF	IN-LINE		218 ns				85 Cel	RIGHT		POSITIVE EDGE	-40 Cel		DUAL		R-PDIP-T14		6 V				TRUE	2 V	50 mA						HC/UH
SN74198N-10	Texas Instruments	PARALLEL IN PARALLEL OUT	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		TTL	8		5		15 pF	IN-LINE		30 ns			2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel		DUAL	35 MHz	R-PDIP-T24		5.25 V	5.08 mm	15.24 mm	Not Qualified	TRUE	4.75 V	127 mA	HOLD MODE				31.75 mm	TTL/H/L
SN74LS322N1	Texas Instruments		COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	35000000 Hz	TTL	8		5	5		IN-LINE	DIP20,.3			Shift Registers	2.54 mm	70 Cel				0 Cel		DUAL		R-PDIP-T20					Not Qualified
SN74F323N3	Texas Instruments		COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	70000000 Hz	TTL	8		5	5		IN-LINE	DIP20,.3			Shift Registers	2.54 mm	70 Cel	BIDIRECTIONAL			0 Cel		DUAL		R-PDIP-T20
SN74HC597JP4	Texas Instruments		INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC		NO	1		CMOS	8			2/6		IN-LINE	DIP16,.3			Shift Registers	2.54 mm	85 Cel				-40 Cel		DUAL		R-XDIP-T16											NOT SPECIFIED	NOT SPECIFIED
SN74AS395N3	Texas Instruments		COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		TTL	4					IN-LINE	DIP16,.3			Shift Registers	2.54 mm	70 Cel				0 Cel		DUAL		R-PDIP-T16											NOT SPECIFIED	NOT SPECIFIED
SN74ALS299JP4	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											NOT SPECIFIED	NOT SPECIFIED
SN74LS194AN	Texas Instruments	PARALLEL IN PARALLEL OUT	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	1	25000000 Hz	TTL	4	TUBE	5	5	15 pF	IN-LINE	DIP16,.3	26 ns	8 Amp	Shift Registers	2.54 mm	70 Cel	BIDIRECTIONAL		POSITIVE EDGE	0 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	25 MHz	R-PDIP-T16	1	5.25 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.75 V	23 mA	HOLD MODE	e4	NOT SPECIFIED	260	19.305 mm	LS
SN74LS395AJ4	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											NOT SPECIFIED	NOT SPECIFIED
SN74199N-00	Texas Instruments	PARALLEL IN PARALLEL OUT	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		TTL	8		5		15 pF	IN-LINE		30 ns			2.54 mm	70 Cel	RIGHT		POSITIVE EDGE	0 Cel		DUAL	35 MHz	R-PDIP-T24		5.25 V	5.08 mm	15.24 mm	Not Qualified	TRUE	4.75 V	127 mA	CLOCK INHIBIT				31.75 mm	TTL/H/L
SN74LS195AN1	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
SN74LS299NP3	Texas Instruments		COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		TTL	8		5	5		IN-LINE	DIP20,.3			Shift Registers	2.54 mm	70 Cel				0 Cel		DUAL		R-PDIP-T20											NOT SPECIFIED	NOT SPECIFIED
SN7494N-10	Texas Instruments	PARALLEL IN SERIAL OUT	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		TTL	4		5		15 pF	IN-LINE		40 ns			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				19.305 mm	TTL/H/L
SN74AS195J4	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 SPECIFIED	NOT SPECIFIED
SN74HC595J	Texas Instruments		INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC		NO	1		CMOS	8			2/6		IN-LINE	DIP16,.3			Shift Registers	2.54 mm	85 Cel				-40 Cel		DUAL		R-XDIP-T16					Not Qualified						NOT SPECIFIED	NOT SPECIFIED
SN7495AN1	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	BIDIRECTIONAL			0 Cel		DUAL		R-PDIP-T14					Not Qualified
SN74179N3	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	RIGHT			0 Cel		DUAL		R-PDIP-T16
SN74LS672NP3	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 SPECIFIED	NOT SPECIFIED
CD4021BF3AS2283	Texas Instruments	PARALLEL IN SERIAL OUT	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED		NO	1		CMOS	8		5			IN-LINE		320 ns			2.54 mm	125 Cel	RIGHT		POSITIVE EDGE	-55 Cel		DUAL	8.5 MHz	R-GDIP-T16		18 V	5.08 mm	7.62 mm	Not Qualified	TRUE	3 V		OUTPUTS ALSO AVAILABLE AT 6TH AND 7TH STAGE OF THE SHIFT REGISTER ;ALSO OPERATES AS SISO					4000/14000/40000
SN74165N-00	Texas Instruments	PARALLEL IN SERIAL OUT	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		TTL	8		5		15 pF	IN-LINE		31 ns			2.54 mm	70 Cel	RIGHT		POSITIVE EDGE	0 Cel		DUAL	26 MHz	R-PDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.75 V	63 mA	CLOCK INHIBIT				19.305 mm	TTL/H/L
SN74S194NP3	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	BIDIRECTIONAL			0 Cel		DUAL		R-PDIP-T16
SN74178J-00	Texas Instruments	PARALLEL IN PARALLEL OUT	COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED		NO	1		TTL	4		5		15 pF	IN-LINE		35 ns			2.54 mm	70 Cel	RIGHT		NEGATIVE EDGE	0 Cel		DUAL	39 MHz	R-GDIP-T14		5.25 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.75 V	75 mA	HOLD MODE				19.56 mm	TTL/H/L
SN74HC597J	Texas Instruments		INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC		NO	1		CMOS	8			2/6		IN-LINE	DIP16,.3			Shift Registers	2.54 mm	85 Cel				-40 Cel		DUAL		R-XDIP-T16					Not Qualified						NOT SPECIFIED	NOT SPECIFIED
SN74S299J	Texas Instruments	PARALLEL IN PARALLEL OUT	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED		NO	1	50000000 Hz	TTL	8		5	5	45 pF	IN-LINE	DIP20,.3	21 ns		Shift Registers	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	225 mA	HOLD MODE; COMMON I/O PINS; TOTEMPOLE SERIAL SHIFT RIGHT & SHIFT LEFT OUTPUTS; GATED OUTPUT CONTROL		NOT SPECIFIED	NOT SPECIFIED	24.195 mm	S
SN74ALS964N3	Texas Instruments		COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		TTL	8					IN-LINE	DIP20,.3			Shift Registers	2.54 mm	70 Cel				0 Cel		DUAL		R-PDIP-T20
SN74LS671J	Texas Instruments	PARALLEL IN PARALLEL OUT	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED		NO	1		TTL	4		5		15 pF	IN-LINE	DIP20,.3	25 ns		Shift Registers	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel		DUAL		R-GDIP-T20		5.25 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.75 V	70 mA	MUXED REGISTERED/STANDARD PARALLEL OUTPUTS		NOT SPECIFIED	NOT SPECIFIED	24.195 mm	LS
SN74LS166AJ	Texas Instruments	PARALLEL IN SERIAL OUT	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED		NO	1		TTL	8		5	5	15 pF	IN-LINE	DIP16,.3	25 ns		Shift Registers	2.54 mm	70 Cel	RIGHT		POSITIVE EDGE	0 Cel		DUAL	25 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.75 V	32 mA	CLOCK INHIBIT		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	LS
SN74AS395JP4	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 SPECIFIED	NOT SPECIFIED
SN74LS595J	Texas Instruments	SERIAL IN PARALLEL OUT	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED		NO	1		TTL	8		5	5	30 pF	IN-LINE	DIP16,.3	25 ns		Shift Registers	2.54 mm	70 Cel	RIGHT	3-STATE	POSITIVE EDGE	0 Cel		DUAL	20 MHz	R-GDIP-T16		5.25 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.75 V	65 mA	PARALLEL OUTPUT IS REGISTERED; UNREGISTERED SERIAL SHIFT RIGHT OUTPUT		NOT SPECIFIED	NOT SPECIFIED	19.56 mm	LS
SN74AS95N3	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
SN74LS166ANP1	Texas Instruments	PARALLEL IN SERIAL OUT	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		TTL	8		5	5		IN-LINE	DIP16,.3	25 ns		Shift Registers	2.54 mm	70 Cel	RIGHT		POSITIVE EDGE	0 Cel		DUAL	25 MHz	R-PDIP-T16		5.25 V			Not Qualified	TRUE	4.75 V		CLOCK INHIBIT		NOT SPECIFIED	NOT SPECIFIED		LS
SN7491AJ4	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	RIGHT			0 Cel		DUAL		R-XDIP-T14
SN74LS165J4	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
SN74AS299N	Texas Instruments	PARALLEL IN PARALLEL OUT	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		TTL	8		5		50 pF	IN-LINE	DIP20,.3			Shift Registers	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel		DUAL		R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.5 V		HOLD MODE; COMMON I/O PINS; TOTEMPOLE SERIAL SHIFT RIGHT & SHIFT LEFT OUTPUTS; GATED OUTPUT CONTROL		NOT SPECIFIED	NOT SPECIFIED	23.995 mm	AS
SN74LS674J4	Texas Instruments		COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	CERAMIC		NO	1		TTL	16					IN-LINE	DIP24,.6			Shift Registers	2.54 mm	70 Cel				0 Cel		DUAL		R-XDIP-T24											NOT SPECIFIED	NOT SPECIFIED
SN74LS674NP3	Texas Instruments		COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		TTL	16					IN-LINE	DIP24,.6			Shift Registers	2.54 mm	70 Cel				0 Cel		DUAL		R-PDIP-T24
SN74LS91N3	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
SN74LS395N	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						NOT SPECIFIED	NOT SPECIFIED
SN74S299J4	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											NOT SPECIFIED	NOT SPECIFIED
SN74ALS323N3	Texas Instruments	PARALLEL IN PARALLEL OUT	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1		TTL	8		5	5		IN-LINE	DIP20,.3	19 ns		Shift Registers	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel		DUAL	17 MHz	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.5 V		COMMON I/O PINS; GATED OUTPUT ENABLE INPUT		NOT SPECIFIED	NOT SPECIFIED	25.4 mm	ALS
CD74HC195EE4	Texas Instruments	PARALLEL IN PARALLEL OUT	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	NO	1	20000000 Hz	CMOS	4	TUBE	4.5	2/6	50 pF	IN-LINE	DIP16,.3	265 ns	5.2 Amp	Shift Registers	2.54 mm	125 Cel	RIGHT		POSITIVE EDGE	-55 Cel	Nickel/Palladium/Gold (Ni/Pd/Au)	DUAL	23 MHz	R-PDIP-T16		6 V	5.08 mm	7.62 mm	Not Qualified	TRUE	2 V	.16 mA	COMPLEMENTARY SERIAL SHIFT RIGHT OUTPUT; J AND KBAR SERIAL INPUT	e4	NOT SPECIFIED	NOT SPECIFIED	19.305 mm	HC/UH
SN74195NP1	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	BIDIRECTIONAL			0 Cel		DUAL		R-PDIP-T16					Not Qualified
SN74LS95BJ4	Texas Instruments		COMMERCIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	CERAMIC		NO	1		TTL	4		5	5		IN-LINE	DIP14,.3			Shift Registers	2.54 mm	70 Cel				0 Cel		DUAL		R-XDIP-T14
SN74HC323J	Texas Instruments		INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC		NO	1		CMOS	8		5	5		IN-LINE	DIP20,.3			Shift Registers	2.54 mm	85 Cel				-40 Cel		DUAL		R-XDIP-T20					Not Qualified						NOT SPECIFIED	NOT SPECIFIED
SN74HC299JP4	Texas Instruments		INDUSTRIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	CERAMIC		NO	1		CMOS	8			2/6		IN-LINE	DIP20,.3			Shift Registers	2.54 mm	85 Cel	BIDIRECTIONAL			-40 Cel		DUAL		R-XDIP-T20
SN74LS673J	Texas Instruments	SERIAL IN PARALLEL OUT	COMMERCIAL	THROUGH-HOLE	24	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED		NO	1		TTL	16		5		45 pF	IN-LINE	DIP24,.6	40 ns		Shift Registers	2.54 mm	70 Cel	RIGHT		NEGATIVE EDGE	0 Cel		DUAL	20 MHz	R-GDIP-T24		5.25 V			Not Qualified	TRUE	4.75 V	80 mA	PARALLEL OUTPUT IS REGISTERED; ASYNCHRONOUS CLEAR FOR STORAGE REGISTER; COMMON SERIAL I/O PIN		NOT SPECIFIED	NOT SPECIFIED		LS
SN74F299NE4	Texas Instruments	PARALLEL IN PARALLEL OUT	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY		NO	1	70000000 Hz	TTL	8		5	5		IN-LINE	DIP20,.3	12 ns		Shift Registers	2.54 mm	70 Cel	BIDIRECTIONAL	3-STATE	POSITIVE EDGE	0 Cel	NICKEL PALLADIUM GOLD	DUAL	70 MHz	R-PDIP-T20		5.5 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.5 V			e4			25.4 mm	F/FAST
SN74ALS166NP1	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

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.