Shift register with high transfer efficiency and method of functioning.

摘要

The invention relates to shift registers of the charge-transfer type. It aims in particular to improve the efficiency of the transfer of charges. In one embodiment of the invention, the register (RD) is of the parallel input type. It includes a succession of stages (EP1 to EP4, EI1 to EI4). According to a characteristic of the invention, parallel input signals are applied to one stage (EP1 to EP4) out of K stages, the other stages (EI1 to EI4) only receiving charges through the effect of shifts of the register (RD). The result of this is that the charge residues (EQ) produced with each shift of a stage in respect of a given quantity of charge (Q1 to Q4) are not mixed up with the succeeding quantity of charge. <IMAGE>