Gate array base cell with multiple P-channel transistors

Electronic digital logic circuitry – Multifunctional or programmable – Array

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326 45, H03K 19094, H03K 19173

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active

054282551

ABSTRACT:
A gate array base cell (100) performs logic and memory cell functions and comprises a first P-channel transistor (M1) for performing logic functions and having a first predetermined transconductance area and a second P-channel transistor (M5) for performing memory cell functions and having a second predetermined transconductance area. The second transconductance area is smaller than said first predetermined transconductance area. The gate array base cell (100) has programmable connections to first P-channel transistor (M1) and second P-channel transistor (M5) for selectively performing memory cell functions and logic functions. The gate array base cell (100) may be connected to operate as a memory cell with logic functions or separately as a memory cell or a logic gate array, such as a two-input NAND gate (128).

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