Invention Grant
- Patent Title: Time division multiplexed limited switch dynamic logic
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Application No.: US13494607Application Date: 2012-06-12
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Publication No.: US08493093B1Publication Date: 2013-07-23
- Inventor: Leland Chang , Robert K. Montoye , Yutaka Nakamura
- Applicant: Leland Chang , Robert K. Montoye , Yutaka Nakamura
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Tutunjian & Bitetto, P.C.
- Agent Vazken Alexanian
- Main IPC: H03K19/00
- IPC: H03K19/00

Abstract:
A limited switch dynamic logic (LSDL) circuit includes a dynamic logic circuit and a static logic circuit. The dynamic logic circuit includes a precharge device configured to precharge a dynamic node during a precharge phase of a first evaluation clock signal and a second evaluation clock signal. A first evaluation tree is configured to evaluate the dynamic node to a first logic value in response to one or more first input signals during an evaluation phase of the first evaluation clock signal. A second evaluation tree is configured to evaluate the dynamic node to a second logic value in response to one or more second input signals during an evaluation phase of the second evaluation clock signal. A static logic circuit is configured to provide an output of the LSDL circuit in response to the dynamic node according to an output latch clock signal.
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