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US 8,913,457 B2Granted
Dual clock edge triggered memory
AssigneesSTMicroelectronics International N.V., STMicroelectronics S.r.l.
InventorsNishu Kohli, Robin M. Wilson
Life of this patent
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Abstract
Memory circuitry includes memory components operable in response to first edges of an internal clock. The memory circuitry also includes internal clock generating circuitry to generate the internal clock in response to a system clock. The first edges of the internal clock are generated in response to both a rising and a falling edge of the system clock.
Claims26
Memory circuitry comprising:
- memory components operable in response to first edges of an internal clock;
- and
- internal clock generating circuitry configured to generate the internal clock in response to a system clock, wherein the first edges of the internal clock are generated in response to both a rising and a falling edge of the system clock, and wherein the internal clock generating circuitry receives a reset signal.
A system comprising:
- at least one dual edge triggered synchronous component;
- memory circuit coupled to the at least one dual edge triggered synchronous component and comprising:
- memory components operable in response to first edges of an internal clock;
- and
- internal clock generating circuitry configured to generate the internal clock in response to a system clock, wherein the first edges of the internal clock are generated in response to both a rising and a falling edge of the system clock, and wherein the internal clock generating circuitry receives a reset signal.
2 more elements
A memory device comprising:
- functional means for carrying out a memory function in response to first edges of an internal clock;
- and
- clock generating means for generating the internal clock in response to a system clock, wherein the first edges of the internal clock are generated in response to both a rising and a falling edge of the system clock, and wherein the clock generating means receives a reset signal pulse.
Dependencies are inferred from the claim text.