Register
A register
A register
This PIPO register is 4 bit.
Parallel-in, parallel-out (PIPO) register is a
A
FIFO Register – First-In-First-Out buffer
Accumulator – Register that stores ALU results
Status Register – Holds flags (carry, zero, etc.)
Index Register – Used for addressing modes in CPUs
Control Register – Holds configuration bits in microcontrollers
Common ICs used as a registers are:
74HC174 – Hex D flip-flop with clear (PIPO)
74HC164 – 8-bit SIPO shift register
74HC165 – 8-bit PISO shift register
74HC194 – 4-bit bidirectional universal shift register
74HC373 – 8-bit transparent latch (level-sensitive)
74HC574 – 8-bit edge-triggered register (PIPO)