Shared tracking circuit
AssigneeTaiwan Semiconductor Manufacturing Company, Ltd.
InventorAnnie-Li-Keow LUM
Life of this patent
Estimating the term…
Abstract
A system comprises a plurality of first memory macros and a first tracking circuit to be shared by the plurality of first memory macros. The first tracking circuit includes at least one of a first tracking circuit associated with a row of memory cells of a first memory macro of the plurality of first memory macros, a first tracking circuit associated with a column of memory cells of the first memory macro of the plurality of first memory macros, a first decoder tracking circuit associated with decoding circuitries of the first memory macro of the plurality of first memory macros, and a first input-output tracking circuit associated with input-output circuitries of the first memory macro of the plurality of first memory macros.
Claims21
A system comprising:
- a plurality of first memory macros;
- and
- a first tracking circuit to be shared by the plurality of first memory macros,
- wherein
- the first tracking circuit includes at least one of
- a first tracking associated with a row of memory cells of a first memory macro of the plurality of first memory macros;
- a first tracking circuit associated with a column of memory cells of the first memory macro of the plurality of first memory macros;
- a first decoder tracking circuit associated with decoding circuitry of the first memory macro of the plurality of first memory macros;
- and
- a first input-output tracking circuit associated with input-output circuitry of the first memory macro of the plurality of first memory macros.
A method for generating a tracking circuit, the method comprising:
- identifying a driver and a load of the driver in a circuit to be tracked;
- identifying a ratio;
- and
- in a tracking circuit used to track the circuit to be tracked, based on the ratio, identifying a tracking driver corresponding to the driver and a tracking load of the tracking driver.
A system comprising:
- a plurality of first memory macros;
- and
- a first tracking circuit to be shared by the plurality of first memory macros,
- wherein
- a circuit to be tracked in a memory macro of the plurality of memory macros includes a driver, a line, and a load;
- a sub tracking circuit of the first tracking circuit includes a tracking driver, a tracking line, and a tracking load;
- a driving capability of the tracking driver is related to a driving capability of the driver based on a ratio;
- and
- the tracking load is related to the load based on the ratio.
Dependencies are inferred from the claim text.