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Bidirectional shift register

Shift registers are basically storage units that are used to store, transfer, or manipulate binary bits (0’s and 1’s) in CPUs of computers to keep the frequently used data at hand. Another important device that implements shift registers is a calculator where it is used to store two binary numbers to be added and also the result. They are also used for binary division and multiplication. Earlier, computer processors also comprised of shift registers. Shift registers are also widely used to make various types of counters.

A shift register constitutes a number of D-type data latches connected in a chain such that the output of the first register serves as the input for the next one, and so on. While used for data storage purposes, the clock inputs for each latch are connected together to the clock pulses. New data is input at the first register with each clock pulse and the data is subsequently carried to the other registers in series. These registers can be positive-edge triggered or negative edge triggered.

Each latch is capable of storing one binary bit. So, the number of D flip-flops that a shift register uses depends on the number of binary bits that are to be stored in it. The common 8-bit shift register, for example, comprises of eight D-type data latches.

The movement of data in a register can be from left to right (right-shifting), right to left (left-shifting), or both right and left shifting, called bidirectional shift register. Multiplication operation can be implemented by performing a left shift of the binary digits while division can be implemented by performing a right shift in the bidirectional shift registers.

Based on how data is fed into the registers and how the output is derived, bidirectional shift registers are classified into the following four types:

Logic - Shift Registers

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Image Part Number Description Package In Stock Quantity
MM74HC595SJ MM74HC595SJON SemiconductorLogic - Shift Registers, IC SHIFT REGISTER 8-BIT 16-SOP16-SOIC (0.209", 5.30mm Width)In Stock: 722 piece(s)
74VHC164M 74VHC164MON SemiconductorLogic - Shift Registers, IC SHIFT REGISTER 8BIT 14SOIC14-SOIC (0.154", 3.90mm Width)In Stock: 1112 piece(s)
hotMM74HC595MTCX MM74HC595MTCXON SemiconductorLogic - Shift Registers, IC SHIFT REGISTER 8-BIT 16-TSSOP16-TSSOP (0.173", 4.40mm Width)In Stock: 1393 piece(s)
hotMM74HC164MTCX MM74HC164MTCXON SemiconductorLogic - Shift Registers, IC SHIFT REG 8BIT PISO 14TSSOP14-TSSOP (0.173", 4.40mm Width)In Stock: 695 piece(s)
hotMM74HC164M MM74HC164MON SemiconductorLogic - Shift Registers, IC SHIFT REG 8BIT PISO 14-SOIC14-SOIC (0.154", 3.90mm Width)In Stock: 529 piece(s)
74LVC8T595PWJ 74LVC8T595PWJNexperia USA Inc.Logic - Shift Registers, 74LVC8T595PW/SOT360/TSSOP2020-TSSOP (0.173", 4.40mm Width)In Stock: 331 piece(s)
74HC594PW-Q100J 74HC594PW-Q100JNexperia USA Inc.Logic - Shift Registers, 74HC594PW-Q100/SOT403/TSSOP1616-TSSOP (0.173", 4.40mm Width)In Stock: 311 piece(s)
MM74HC595SJX MM74HC595SJXON SemiconductorLogic - Shift Registers, IC SHIFT REGISTER 8-BIT 16-SOP16-SOIC (0.209", 5.30mm Width)In Stock: 216 piece(s)
74VHC164SJX 74VHC164SJXON SemiconductorLogic - Shift Registers, IC SHIFT REGISTER 8BIT 14SOP14-SOIC (0.209", 5.30mm Width)In Stock: 432 piece(s)
74VHC164MX 74VHC164MXON SemiconductorLogic - Shift Registers, IC SHIFT REGISTER 8BIT 14SOIC14-SOIC (0.154", 3.90mm Width)In Stock: 287 piece(s)
hotMM74HC595MX MM74HC595MXON SemiconductorLogic - Shift Registers, IC SHIFT REGISTER 8-BIT 16-SOIC16-SOIC (0.154", 3.90mm Width)In Stock: 3972 piece(s)
hot74HC595D 74HC595DToshiba Semiconductor and StorageLogic - Shift Registers, IC SHIFT REGISTER 8BIT 16SOP16-SOIC (0.154", 3.90mm Width)In Stock: 347 piece(s)
MM74HC164MTC MM74HC164MTCON SemiconductorLogic - Shift Registers, IC SHIFT REG 8BIT PISO 14-TSSOP14-TSSOP (0.173", 4.40mm Width)In Stock: 3106 piece(s)
hotMM74HCT164M MM74HCT164MON SemiconductorLogic - Shift Registers, IC SHIFT REG 8BIT SIPO 14-SOIC14-SOIC (0.154", 3.90mm Width)In Stock: 378 piece(s)
hot74HC166D 74HC166DToshiba Semiconductor and StorageLogic - Shift Registers, IC 8BIT SHIFT REGISTER 16SOIC16-SOIC (0.154", 3.90mm Width)In Stock: 15280 piece(s)
hot74HC164D 74HC164DToshiba Semiconductor and StorageLogic - Shift Registers, IC SHIFT REGISTER 8BIT 14SOP14-SOIC (0.154", 3.90mm Width)In Stock: 348 piece(s)
hot74VHC595M 74VHC595MON SemiconductorLogic - Shift Registers, IC REGISTER SHIFT 8BIT 16-SOIC16-SOIC (0.154", 3.90mm Width)In Stock: 703 piece(s)
hot74VHC595MTC 74VHC595MTCON SemiconductorLogic - Shift Registers, IC SHIFT REGISTER 8BIT 16TSSOP16-TSSOP (0.173", 4.40mm Width)In Stock: 4602 piece(s)
hotMM74HC595M MM74HC595MON SemiconductorLogic - Shift Registers, IC REGISTER W/LATCH 8BIT 16-SOIC16-SOIC (0.154", 3.90mm Width)In Stock: 2696 piece(s)
hotMM74HCT164MX MM74HCT164MXON SemiconductorLogic - Shift Registers, IC SHIFT REG 8BIT SIPO 14SOIC14-SOIC (0.154", 3.90mm Width)In Stock: 2504 piece(s)
hot74HC165D 74HC165DToshiba Semiconductor and StorageLogic - Shift Registers, IC 8BIT SHIFT REGISTER 16SOIC16-SOIC (0.154", 3.90mm Width)In Stock: 4108 piece(s)
hot74VHC164MTCX 74VHC164MTCXON SemiconductorLogic - Shift Registers, IC SHIFT REGISTER 8BIT 14TSSOP14-TSSOP (0.173", 4.40mm Width)In Stock: 324 piece(s)
hot74HC594D 74HC594DToshiba Semiconductor and StorageLogic - Shift Registers, IC 8BIT SHIFT REGISTER 16SOIC16-SOIC (0.154", 3.90mm Width)In Stock: 270 piece(s)
hot74VHC595MX 74VHC595MXON SemiconductorLogic - Shift Registers, IC SHIFT REGISTER 8BIT 16-SOIC16-SOIC (0.154", 3.90mm Width)In Stock: 500 piece(s)
hotMM74HC164MX MM74HC164MXON SemiconductorLogic - Shift Registers, IC REGISTER SER/PAR I/O 14SOIC14-SOIC (0.154", 3.90mm Width)In Stock: 335 piece(s)
hot74VHC595MTCX 74VHC595MTCXON SemiconductorLogic - Shift Registers, IC SHIFT REG 8B W/ LATCH 16TSSOP16-TSSOP (0.173", 4.40mm Width)In Stock: 371 piece(s)
BU4094BCF-BZE2 BU4094BCF-BZE2Rohm SemiconductorLogic - Shift Registers, IC MUX CMOS SOP1616-SOIC (0.173", 4.40mm Width)In Stock: 388 piece(s)
74AHC594PW-Q100/AJ 74AHC594PW-Q100/AJNexperia USA Inc.Logic - Shift Registers, IC SHIFT REGISTER 8BIT 16TSSOP16-TSSOP (0.173", 4.40mm Width)In Stock: 127 piece(s)
74VHC9595FT 74VHC9595FTToshiba Semiconductor and StorageLogic - Shift Registers, X34 PB-F 8-BIT SHIFT REGISTER/LA16-TSSOP (0.173", 4.40mm Width)In Stock: 3250 piece(s)
74VHC9164FT 74VHC9164FTToshiba Semiconductor and StorageLogic - Shift Registers, X34 PB-F 8-BIT SHIFT REGISTER (P16-TSSOP (0.173", 4.40mm Width)In Stock: 4131 piece(s)