Block diagram of 4-bit PIPO Shift register using D Flip Flop | Download Scientific Diagram
Flip-flops and registers
flipflop - What is the difference between registers, flip flops and latches? - Electrical Engineering Stack Exchange
Electronics | Free Full-Text | Low Power High-Efficiency Shift Register Using Implicit Pulse-Triggered Flip-Flop in 130 nm CMOS Process for a Cryptographic RFID Tag