A New Type of Ferroelectric Shift Register

Ferroelectric shift registers having completely independent parallel or serial inputs and outputs have been designed and constructed. The principal components of these shift registers are single crystals of barium titanate and silicon junction diodes. Two ferroelectric units and two to three silicon junction diodes are required for each stage of the shift register. Practical operating speeds for 10-stage shift registers with transistor drives are at present from 0 to 5 kc. The small size of the ferroelectric units and the low power consumption in this speed range make the ferroelectric shift register attractive for many digital circuit applications.