Semiconductor integrated circuit with plural use of a terminal

Electronic digital logic circuitry – Multifunctional or programmable – Having details of setting or programming of interconnections...

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331173, H03K 19173

Patent

active

054670284

ABSTRACT:
A semiconductor integrated circuit includes an oscillator circuit, which amplifies a signal sent from an oscillator by an amplifier circuit operating with a low power supply voltage for outputting the same. In the oscillator circuit, a threshold voltage of a transfer gate forming a switching element is set to a value lower than a threshold voltage of other transistors so as to reduce an on-resistance of the transfer gate and hence to ensure output of a signal supplied from said oscillator.

REFERENCES:
patent: 4864255 (1989-09-01), Yoshida
patent: 4904962 (1990-02-01), Greene
patent: 4994765 (1991-02-01), Greene
patent: 5051622 (1991-09-01), Pleva
patent: 5237218 (1993-08-01), Joshephson
patent: 5247266 (1993-09-01), Ogata

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