The crossbar latch: Logic value storage, restoration, and inversion in crossbar circuits Academic Article uri icon

abstract

  • Programmable crossbar circuits are one key architecture proposed for integrated nanoscale electronics. Emphasizing practicality of fabrication, many scenarios advocate crossbar circuits based on two-terminal devices. In this case, however, signal restoration and inversion remain critical weaknesses. Restoration is essential before the degraded output of one logic gate can drive the input of a subsequent logic gate. Inversion is required to generate a complete logic family. Here we describe and demonstrate a solution to both problems, the crossbar latch. This device stores a logic value on a signal wire, enabling logic value restoration, and inversion. In combination with resistor/diode logic gates, these operations in principle enable universal computing for crossbar circuits, and potentially, integrated nanoscale electronics.

published proceedings

  • JOURNAL OF APPLIED PHYSICS

author list (cited authors)

  • Kuekes, P. J., Stewart, D. R., & Williams, R. S.

citation count

  • 155

publication date

  • February 2005