Electronic digital logic circuitry – Function of and – or – nand – nor – or not – Field-effect transistor
Reexamination Certificate
2005-06-07
2005-06-07
Chang, Daniel (Department: 2819)
Electronic digital logic circuitry
Function of and, or, nand, nor, or not
Field-effect transistor
C326S127000, C327S408000
Reexamination Certificate
active
06903579
ABSTRACT:
Multiple-input CML gates with a stack height of one are provided by using a composite device wherein input signals are propagated to the output through two or more stages of CML-like primitives connected in succession. A universal three-input CML gate (a 2:1 multiplexor) is provided by using a two-stage pipeline, and can be used to build other logic devices, such as AND, OR, and XOR functions, or a latch. The pipelined CML gates with a stack height of one provide a substantially improved voltage-speed trade-off under low-voltage conditions.
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B. Razavi, Y. OTa, and R. G. G. Swart, Design Techniques for low-voltage high-speed digital bipolar circuits, IEEE J. Solid-State circuits, IEEE J. Solid-State Circuits, vol. 29, No. 3, Mar. 1994, pp. 332-339.
Campbell, Peter M. et al., “A Very-Wide Bandwidth Digital VCO Implemented, in GaAs HBTs Using Frequency Multiplication and Division,” 17thAnnual GaAs IC Symposium Technical Digest, pp. 311-314, Oct. 1995.
Rylov Sergey V.
Rylyakov Alexander V.
Chang Daniel
Karra, Esq. Satheesh K.
Scully Scott Murphy & Presser
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