1.5 bootstrapped pass-transistor-based Manchester-carry-chain ci

Details 1.5 bootstrapped pass-transistor-based Manchester-carry-chain ci 1.5 bootstrapped pass-transistor-based Manchester-carry-chain ci

1997-10-20

1999-04-27

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Signal transmission integrity or spurious noise override

327589, 326 88, H03K 1716

Patent

active

058983333

ABSTRACT:
This invention discloses a 1.5 V bootstrapped pass-transistor-based Manchester-carry-chain circuit suitable for CMOS VLSI using a low supply voltage, in which a bootstrapper circuit is incorporated to enhance the speed performance of the conventional Manchester-carry-chain circuit, which is composed. The bootstrapper circuit contains two P-type metal-oxide-semiconductor (PMOS) transistors, one N-type metal-oxide-semiconductor (NMOS) transistor; a capacitor device, and an inverter. The bootstrapper circuit provides an output having a voltage overshoot, as a carry propagation signal, to the gate of a pass transistor of the Manchester-carry-chain circuit.

REFERENCES:
patent: 5514994 (1996-05-01), Sawada
patent: 5729165 (1998-03-01), Lou et al.
patent: 5783962 (1998-07-01), Rieger
Lou, J.H. et al., "A 1.5V Full-Swing Bootstrapped CMOS Large Capacitive-Load Driver Circuit Suitable for Low-Voltage CMOS VLSI", IEEE Journal of Solid-State Circuits, 32:119-121, 1997.

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