Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Particular stable state circuit
Reexamination Certificate
2006-05-05
2009-08-11
Donovan, Lincoln (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Particular stable state circuit
C327S217000, C327S218000, C327S220000, C327S570000, C326S134000, C326S135000, C377S128000
Reexamination Certificate
active
07573310
ABSTRACT:
The present invention relates to a SET/RESET latch circuit a Schmitt trigger circuit, and a MOBILE based D-type flip flop circuit and frequency divider circuit using the SET/RESET latch circuit and Schmitt trigger circuit. The SET/RESET latch circuit is configured with CML-type transistors and negative differential resistance diodes. The SET/RESET latch circuit can be applied to very high speed digital circuits.
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Chen et al., “Monolithic Integration of Resonant Tunneling Diode and FET's for Monostable—Bistable Transition Logic Elements (MOBILE's),” IEEE Electron Device Letters, vol. 16, No. 2, Feb. 1995, pp. 70-73.
English language abstract of JP 9-162705, Jun. 20, 1997.
Maezawa et al., “A Novel Delayed Flip-Flop Circuit Using Resonant Tunneling Logic Gates,” Japanese Journal of Applied Physics, vol. 37, No. 2B, Feb. 1998, pp. L212-L213.
Kim et al., “New RTD-based set/reset latch IC for high-speed mobile D-flip flops,” 2005 International Conference on Indium Phosphide and Related Materials, May 2005, pp. 311-314.
Jeong Yongsik
Kim Tae-Ho
Yang Kyoung-Hoon
Donovan Lincoln
Greenblum & Bernstein P.L.C.
Korea Advanced Institute of Science and Technology
O'Neill Patrick
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