Temperature-compensated output buffer method and circuit

Details Temperature-compensated output buffer method and circuit Temperature-compensated output buffer method and circuit

2006-10-03

2006-10-03

Tan, Vibol (Department: 2819)

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Signal level or switching threshold stabilization

C326S030000, C326S086000

Reexamination Certificate

active

07116129

ABSTRACT:
A temperature-compensated output buffer circuit is disclosed, which includes a pull-up circuit including a first pull-up transistor for providing a first pull-up output signal responsive to a pull-up input signal, and a supplemental pull-up circuit in parallel with the first pull-up transistor. The supplemental pull-up circuit is configured to generate a supplemental pull-up output signal with the first pull-up output signal and the supplemental pull-up output signal forming a pull-up output signal. The output buffer further includes a pull-down circuit, including a first pull-down transistor for providing a first pull-down output signal and a supplemental pull-down circuit in parallel with the first pull-down transistor. The supplemental pull-down circuit is configured to generate a supplemental pull-down output signal with the pull-up output signal and the pull-down output signal coupled to form an output buffer output signal. Methods of operation, memory devices, semiconductor substrates and electronic systems embodying the invention are also disclosed.

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