![]() ![]() R/ L control line is made either low or high to opt for either left-shift or right-shift of the data bits, respectively.Īn n-bit shift register can be formed by connecting n flip-flops where each flip flop stores a single bit of data. Initially, all the flip flops in the register are reset by driving their clear pins high. The following image shows an n-bit bidirectional shift register with serial data loading and retrieval capacity. Because all flops work on the same clock, the bit array stored in the shift register will shift by one position.įor example, if a 5-bit right shift register has an initial value of 10110 and the input to the shift register is tied to 0, then the next pattern will be 01011 and the next 00101.īidirectional shift registers are the storage devices capable of shifting the data either right or left, depending on the mode selected. The information stored within these registers can be transferred using shift registers.Ī shift register is a cascade of flip-flops where one flop's output pin q is connected to the next data input pin (d). It is a group of flip flops connected in series used to store multiple bits of data. N flip flops are to be connected to store n bits of data.Ī Register is a device that is used to store such information. ![]() However, to store multiple bits of data, we need multiple flip flops. Next → ← prev Bidirectional Shift Registerįlip flops can be used to store a single bit of binary data (1or 0). ![]()
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