Input buffer in memory devices and memory systems
AssigneeYangtze Memory Technologies Co., Ltd.
InventorsTao YANG, Byoungwoon LEE, Shu XIE, Jiawei CHEN
Life of this patent
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Abstract
Input buffers of memory devices, memory devices, and memory systems are provided. In one aspect, an input buffer of a memory device includes a first circuit and a second circuit coupled to the first circuit. The first circuit is configured to receive an input voltage and a reference voltage, and generate differential voltages based on the input voltage and the reference voltage. The second circuit is configured to receive the differential voltages from the first circuit, and generate an amplified voltage of the input voltage based on the differential voltages. The second circuit includes an active inductor.
Claims20
An input buffer of a memory device, comprising:
- a first circuit configured to:
- receive an input voltage and a reference voltage;
- and
- generate differential voltages based on the input voltage and the reference voltage;
- and
- a second circuit coupled to the first circuit, wherein the second circuit is configured to:
- receive the differential voltages from the first circuit;
- and
- generate an amplified voltage of the input voltage based on the differential voltages, wherein the second circuit comprises an active inductor.
A memory device, comprising an input/output interface that comprises an input buffer, wherein the input buffer comprises:
- a first circuit configured to:
- receive an input voltage and a reference voltage;
- and
- generate differential voltages based on the input voltage and the reference voltage;
- and
- a second circuit coupled to the first circuit, wherein the second circuit is configured to:
- receive the differential voltages from the first circuit;
- and
- generate an amplified voltage of the input voltage based on the differential voltages, wherein the second circuit comprises an active inductor.
A memory system, comprising:
- a memory device comprising an input/output interface that comprises an input buffer, wherein the input buffer comprises:
- a first circuit configured to:
- receive an input voltage and a reference voltage;
- and
- generate differential voltages based on the input voltage and the reference voltage;
- and
- a second circuit coupled to the first circuit, wherein the second circuit is configured to:
- receive the differential voltages from the first circuit;
- and
- generate an amplified voltage of the input voltage based on the differential voltages, wherein the second circuit comprises an active inductor;
- and
- a memory controller coupled to the memory device and configured to control the memory device.
Dependencies are inferred from the claim text.