Shift Register is a group of flip flops used to store multiple bits of data. The bits stored in such registers can be made to move within the registers and in/out of the registers by applying clock pulses. An n-bit shift register can be formed by connecting n flip-flops where each flip-flop stores a single bit of data. The registers which will shift the bits to the left are called “Shift left registers”. The registers which will shift the bits to the right are called “Shift right registers”.
Types of Shift Registers:
Serial In Serial Out shift register
Serial In parallel Out shift register
Parallel In Serial Out shift register
Parallel In parallel Out shift register
Bidirectional Shift Register
Universal Shift Register
Shift Register Counter
Common Brands:
Texas Instruments Incorporated (TI)
Freescale Semiconductor, Inc. (NXP Semiconductors)
Toshiba
Atmel (Microchip Technology)
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