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公开(公告)号:US11913980B2
公开(公告)日:2024-02-27
申请号:US18178900
申请日:2023-03-06
发明人: Chia-Chen Kuo , Chiting Cheng , Wei-jer Hsieh , Yangsyu Lin
IPC分类号: H02H9/00 , G01R19/165 , H02H1/00 , H02H9/02
CPC分类号: G01R19/16519 , G01R19/16538 , H02H1/0007 , H02H9/02
摘要: A power detection circuit is provided. The power detection circuit includes a comparator circuit operative to generate an output signal in response to an input signal. The output signal is configured to change from a first value to a second value in response to the input signal attaining a first threshold value. The output signal is configured to change from the second value to the first value in response to the input signal subsequently attaining a second threshold value. A current limiting circuit is connected to the comparator circuit and operative to limit a leakage current of the comparator circuit.
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公开(公告)号:US11856747B2
公开(公告)日:2023-12-26
申请号:US17751426
申请日:2022-05-23
发明人: Yangsyu Lin , Chi-Lung Lee , Chien-Chi Tien , Chiting Cheng
IPC分类号: H10B10/00 , H01L27/02 , H01L27/092 , G11C11/419 , H01L23/522 , G11C11/412 , H01L23/528
CPC分类号: H10B10/18 , G11C11/412 , G11C11/419 , H01L23/528 , H01L23/5226 , H01L27/0207 , H01L27/0924 , H01L27/0928 , H10B10/12
摘要: A static random access memory (SRAM) periphery circuit includes a first n-type transistor and a second n-type transistor that are disposed in a first well region of first conductivity type, the first well region occupies a first distance in a row direction equal to a bitcell-pitch of an SRAM array. The SRAM periphery circuit includes a first p-type transistor and a second p-type transistor that are disposed in a second well region of second conductivity type. The second well region occupies a second distance in the row direction equal to the bitcell-pitch of the SRAM array. The second well region is disposed adjacent to the first well region in the row direction.
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公开(公告)号:US11598794B2
公开(公告)日:2023-03-07
申请号:US16935608
申请日:2020-07-22
发明人: Chia-Chen Kuo , Chiting Cheng , Wei-jer Hsieh , Yangsyu Lin
IPC分类号: H02H9/00 , G01R19/165 , H02H1/00 , H02H9/02
摘要: A power detection circuit is provided. The power detection circuit includes a comparator circuit operative to generate an output signal in response to an input signal. The output signal is configured to change from a first value to a second value in response to the input signal attaining a first threshold value. The output signal is configured to change from the second value to the first value in response to the input signal subsequently attaining a second threshold value. A current limiting circuit is connected to the comparator circuit and operative to limit a leakage current of the comparator circuit.
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公开(公告)号:US09666253B2
公开(公告)日:2017-05-30
申请号:US14924069
申请日:2015-10-27
CPC分类号: G11C7/12 , G11C5/14 , G11C5/147 , G11C7/06 , G11C7/065 , G11C7/10 , G11C7/22 , G11C8/06 , G11C8/08 , G11C8/10 , G11C11/417 , G11C11/418
摘要: A dual rail memory operable at a first voltage and a second voltage, the dual rail memory includes: a memory array operates at the first voltage; a word line driver circuit configured to drive a word line of the memory array to the first voltage; a data path configured to transmit an input data signal or an output data signal; and a control circuit configured to generate control signals to the memory array, the word line driver circuit and the data path; wherein the data path and the control circuit are configured to operate at both the first and second voltages. Associated memory macro and method are also disclosed.
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公开(公告)号:US11562779B2
公开(公告)日:2023-01-24
申请号:US17109964
申请日:2020-12-02
IPC分类号: G11C7/12 , G11C11/413 , G11C11/4094 , G11C11/412 , G11C11/4074 , G11C11/419
摘要: A memory circuit includes a reference node configured to carry a reference voltage having a reference voltage level, a power supply node configured to carry a power supply voltage having a power supply voltage level, a bit line coupled with a plurality of memory cells, a write circuit configured to charge the bit line by driving a voltage level on the bit line toward the power supply voltage level with a first current, and a switching circuit coupled between the power supply node and the bit line. The switching circuit is configured to receive the voltage level on the bit line, and responsive to a difference between the voltage level received on the bit line and the power supply voltage level being less than or equal to a threshold value, drive the voltage level on the bit line toward the power supply voltage level with a second current.
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公开(公告)号:US10951200B2
公开(公告)日:2021-03-16
申请号:US16800981
申请日:2020-02-25
发明人: Hao-I Yang , Cheng Hung Lee , Chen-Lin Yang , Chiting Cheng , Fu-An Wu , Yangsyu Lin
IPC分类号: H03K3/037 , G11C11/412 , G06F1/04 , G11C7/22 , G11C11/417
摘要: A clock circuit includes a latch circuit, a memory state latch circuit, a memory state trigger circuit and a clock trigger circuit. The latch circuit is configured to latch an enable signal, and to generate a latch output signal based on a first clock signal. The memory state latch circuit is coupled to the latch circuit, and generates an output clock signal responsive to a first control signal. The memory state trigger circuit is coupled to the memory state latch circuit, and adjusts the output clock signal responsive to the latch output signal or a reset signal. The clock trigger circuit is coupled to the latch circuit and the memory state trigger circuit by a first node, configured to generate the first clock signal responsive to a second clock signal, and configured to control the latch circuit and the memory state trigger circuit based on the first clock signal.
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公开(公告)号:US20190311765A1
公开(公告)日:2019-10-10
申请号:US16285811
申请日:2019-02-26
发明人: Yangsyu Lin , Chiting Cheng
IPC分类号: G11C11/418 , G11C11/419 , G11C5/02
摘要: A memory device includes a plurality of memory cells arranged in an array having a plurality of rows and a plurality of columns. A first word line is connected to a first plurality of the memory cells of a first row of the array, and a second word line is connected to a second plurality of the memory cells of the first row of the array. In some examples, the plurality of memory cells are arranged in or on a substrate, and the first word line is formed in a first layer of the substrate and the second word line is formed in a second layer of the substrate.
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公开(公告)号:US10340897B2
公开(公告)日:2019-07-02
申请号:US16039824
申请日:2018-07-19
发明人: Hao-I Yang , Cheng Hung Lee , Chen-Lin Yang , Chiting Cheng , Fu-An Wu , Yangsyu Lin
IPC分类号: H03K3/037 , G11C11/412
摘要: A clock circuit includes a first latch, second latch, first trigger circuit and clock trigger circuit. The first latch generates a first latch output signal based on a first control signal, an enable signal and an output clock signal. The second latch is coupled to the first latch, and configured to generate the output clock signal responsive to a second control signal. The first trigger circuit is coupled to the first latch and the second latch, and configured to adjust the output clock signal responsive to at least the first latch output signal or a reset signal. The clock trigger circuit is coupled to the first latch and the first trigger circuit by a first node, is configured to generate the first control signal responsive to an input clock signal, and configured to control the first latch and the first trigger circuit based on at least the first control signal.
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公开(公告)号:US10163470B2
公开(公告)日:2018-12-25
申请号:US15380543
申请日:2016-12-15
发明人: Chiting Cheng , Yangsyu Lin
IPC分类号: G11C7/12 , G11C8/06 , G11C29/12 , G11C7/22 , G11C8/10 , G11C8/08 , G11C5/14 , G11C7/10 , G11C7/06 , G11C11/413 , G11C11/418 , G11C29/18
摘要: A dual rail memory operable at a first voltage and a second voltage is disclosed. The dual rail memory includes: a memory array operates at the first voltage; a word line driver circuit configured to drive a word line of the memory array to the first voltage; a data path configured to transmit an input data signal or an output data signal, wherein the data path includes a first level shifter for transferring the input data signal from the second voltage to the first voltage; and a control circuit configured to provide control signals to the memory array, the word line driver circuit and the data path, wherein the control circuit includes a second level shifter for transferring an input control signal from the second voltage to the first voltage; wherein the data path and the control circuit are configured to operate at both the first and second voltages.
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公开(公告)号:US09324453B2
公开(公告)日:2016-04-26
申请号:US14222018
申请日:2014-03-21
发明人: Wei-Jer Hsieh , Hong-Chen Cheng , Chiting Cheng , Yangsyu Lin , Cheng Hung Lee , Jonathan Tsung-Yung Chang
摘要: A memory unit that includes a tracking unit, a scan chain and a scan chain control unit. The tracking unit includes a tracking bit line, wherein the tracking unit is configured to receive a tracking control signal, selectively charge or discharge a voltage on the tracking bit line in response to the tracking control signal and generate a sense amplifier signal. The scan chain includes one or more logic devices, wherein the scan chain is configured to receive at least a first control signal. The scan chain control unit is connected to the scan chain and the tracking unit. The scan chain control unit is configured to receive the sense amplifier signal and generate the first scan chain control signal.
摘要翻译: 一种存储器单元,包括跟踪单元,扫描链和扫描链控制单元。 跟踪单元包括跟踪位线,其中跟踪单元被配置为接收跟踪控制信号,响应于跟踪控制信号选择性地对跟踪位线上的电压进行充电或放电,并产生读出放大器信号。 扫描链包括一个或多个逻辑设备,其中扫描链被配置为接收至少第一控制信号。 扫描链控制单元连接到扫描链和跟踪单元。 扫描链控制单元被配置为接收读出放大器信号并产生第一扫描链控制信号。
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