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US 6,789,209 B1Granted
Semiconductor integrated circuit device
AssigneeFujitsu Limited
InventorsTakaaki Suzuki, Yasuharu Sato
Life of this patent
Estimating the term…
Abstract
In a semiconductor integrated circuit device operating in synchronism with a clock supplied from the outside of the device, there is provided a circuit generating, from the clock, an output strobe signal for outputting data from the device and outputting the output strobe signal to the outside of the device.
Claims12
A semiconductor integrated circuit device which operates in synchronism with an external clock, the device comprising:
- a first circuit to generate, from said external clock, an output strobe signal for outputting data from the device, and to output the output strobe signal,
- said external clock including complementary clock components,
- wherein receipt of input data, a command and an address are responsive to a cross point where the complementary clock components of said external clock cross a reference voltage.
A semiconductor memory device comprising:
- a memory part;
- a clock receiving part to receive external complementary clocks;
- and
- a first circuit to generate, from said external complementary clocks, complementary output strobe signals for outputting data stored in the memory part, and to output the complementary output strobe signals,
- wherein receipt of input data, a command and an address are responsive to a cross point where said external complementary clocks cross a reference voltage.
2 more elements
A system comprising:
- a controller to output complementary clocks;
- and
- a memory device coupled to the controller,
- said memory device comprising:
- a memory part;
- a clock receiving part to receive the complementary clocks;
- and
- a first circuit to generate, from said complementary clocks, complementary output strobe signals for outputting data stored in the memory part, and to output the complementary output strobe signals to the controller,
- wherein receipt of input data, a command and an address are responsive to a cross point where said complementary clocks cross a reference voltage.
6 more elements
Dependencies are inferred from the claim text.