Invention Grant
- Patent Title: Latency offset in pre-clock tree synthesis modeling
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Application No.: US17643359Application Date: 2021-12-08
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Publication No.: US11681842B2Publication Date: 2023-06-20
- Inventor: Kailash Pawar , Paul Eugene Richard Lippens , Darren Charles Cronquist
- Applicant: Synopsys, Inc.
- Applicant Address: US CA Mountain View
- Assignee: Synopsys, Inc.
- Current Assignee: Synopsys, Inc.
- Current Assignee Address: US CA Sunnyvale
- Agency: Patterson + Sherdan, LLP
- Main IPC: G06F30/32
- IPC: G06F30/32 ; G06F111/04

Abstract:
Embodiments herein include detecting a transformation in a circuit layout before clock tree synthesis is performed, and in response, estimating a latency offset, relative to a global latency value, for a clock pin in a clock gate circuit. Moreover, the embodiments includes determining, based on the latency offset, a timing constraint for combinational logic configured to generate an enable signal for the clock gate circuit and adjusting the circuit layout based on the timing constraint to affect when the combinational logic generates the enable signal.
Public/Granted literature
- US20220180031A1 LATENCY OFFSET IN PRE-CLOCK TREE SYNTHESIS MODELING Public/Granted day:2022-06-09
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