Parallel-to-serial converter utilizing property of domain wall motion in permalloy wires

The domain wall motion phenomenon in some Permalloy wires, as reviewed in a companion paper, offers the possibility of magnetically realizing useful functional packages. Several low-current devices of lengths below 300 bits were developed which exploit this phenomenon. This paper describes a parallel-to-serial converter and discusses the technology associated with fabricating this and other low-current functional devices. The converter is capable of accepting 64 bits of parallel data in 10 μs and delivering it sequentially upon command at the rate of up to 50 kbits/s.