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Shared Sense Amplifier and Write Driver

A technology for writing drivers and sense amplifiers, used in instruments, static memory, digital memory information, etc., and can solve problems such as large area and leakage current

Inactive Publication Date: 2017-12-29
TAIWAN SEMICON MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While these designs have some desirable properties, they are also prone to leakage current and are larger in area than desired

Method used

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  • Shared Sense Amplifier and Write Driver
  • Shared Sense Amplifier and Write Driver
  • Shared Sense Amplifier and Write Driver

Examples

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Embodiment Construction

[0015] The following disclosure provides many different embodiments or examples of different means for implementing the provided objectives. To simplify the present disclosure, specific examples of components and arrangements are set forth below. Of course, these components and arrangements are examples only and are not intended to be limiting. For example, the description below that a first member is formed over or on a second member may include embodiments in which the first member is formed in direct contact with the second member, and may also include embodiments in which additional members may An embodiment formed between the first member and the second member so that the first member and the second member may not be in direct contact. Additionally, the present disclosure may repeat component symbols and / or letters in various instances. This repetition is for purposes of simplicity and clarity and does not in itself dictate a relationship between the various embodiments...

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Abstract

Systems and methods are provided for a sense amplifier / write driver circuit. A system includes a set of transistors responsive to a memory cell, the set of transistors configured to operate as a sense amplifier in a first mode and to operate as a write driver in a second mode. One or more switches are configured to switch the set of transistors from the first mode to the second mode based on a control signal. Particular transistors of the set of transistors are configured by the one or more switches to amplify and retain data at a pair of input / output nodes for a period of time in the first mode. The particular transistors are further configured by the one or more switches to drive data to the pair of input / output nodes in the second mode.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Patent Application No. 62 / 343,243, filed May 31, 2016, entitled "Shared Sense Amplifier and Write Driver," the entire contents of said U.S. Provisional Patent Application Incorporated herein by reference. technical field [0003] Embodiments of the present invention relate to a shared sense amplifier and write driver. Background technique [0004] In high speed memory designs, large sense amplifiers are typically used to provide smaller mismatches, and separate large write drivers are typically used to provide the desired write margin. While these designs have certain desirable properties, they are also prone to leakage current and are larger in area than desired. Contents of the invention [0005] According to an embodiment of the invention, a sense amplifier / write driver circuit includes a set of transistors responsive to a memory cell, the set of transistors ...

Claims

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Application Information

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IPC IPC(8): G11C7/06G11C7/10
CPCG11C7/062G11C7/065G11C7/1096G11C7/08G11C7/12
Inventor 谢继开李政宏吴福安
Owner TAIWAN SEMICON MFG CO LTD