Invention Grant
- Patent Title: Systems and methods for multi-bit memory with embedded logic
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Application No.: US16879871Application Date: 2020-05-21
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Publication No.: US11132486B1Publication Date: 2021-09-28
- Inventor: Guru Prasad , Sachin Kumar
- Applicant: Taiwan Semiconductor Manufacturing Company Limited
- Applicant Address: TW Hsinchu
- Assignee: Taiwan Semiconductor Manufacturing Company Limited
- Current Assignee: Taiwan Semiconductor Manufacturing Company Limited
- Current Assignee Address: TW Hsinchu
- Agency: Jones Day
- Main IPC: G06F30/30
- IPC: G06F30/30 ; G06F30/337 ; G06F30/327 ; G06F30/392 ; G06F30/398 ; G06F30/394 ; G06F30/3308 ; G06F30/3312 ; H03K3/037 ; G06F111/20 ; G06F119/06 ; G06F119/12

Abstract:
Systems and method are provided that include a standard cell with multiple input and output storage elements, such as flip flops, latches, etc., with some combination logic interconnected between them. In embodiments, the slave latches on input flip flops are replaced with a fewer number latches at a downstream node(s) of the combination logic resulting in improved performance, area and power, while maintaining functionality at the interface pins of the standard cell. The process of inferring such a standard cell from a behavioral description, such as RTL, of a design or remapping equivalent sub-circuits from a netlist to such a standard cell is also described.
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