Integrated circuit chip with improved array stability

Details Integrated circuit chip with improved array stability Integrated circuit chip with improved array stability

2008-07-22

2008-07-22

Phan, Trong (Department: 2827)

Static information storage and retrieval

Systems using particular element

Flip-flop

C365S156000, C365S226000, C365S230050, C365S230060, C365S233100

Reexamination Certificate

active

07403412

ABSTRACT:
A multi-threshold integrated circuit (IC) that may be supplied by multiple supplies, with an array of latches such as an array static random access memory (SRAM) cells and a CMOS SRAM with improved stability and reduced subthreshold leakage. Selected devices (NFETs and/or PFETs) in array cells and support logic, e.g., in the data path and in non-critical logic, are tailored for lower gate and subthreshold leakage. Normal base FETs have a base threshold and tailored FETs have a threshold above. In a multi-supply chip, circuits with tailored FETs are powered by an increased supply voltage.

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