Patent
Single-ended sense amplifier using dynamic reference voltage and operation method thereof
Meng-Fan Chang,Shu Meng Yang,Jiunn Way Miaw +2 more
- 13 Aug 2008
13
TL;DR: In this article, a single-ended differential sense amplifier comprises a dynamic reference voltage generation circuit and a differential senses amplifier circuit, where the input data with an input data line voltage is provided to the differential sense amplifier circuit.
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Abstract: A single-ended differential sense amplifier comprises a dynamic reference voltage generation circuit and a differential sense amplifier circuit. Input data with an input data line voltage is provided to the differential sense amplifier circuit. The input data line voltage also feeds back to the dynamic reference voltage generation circuit, which then generates a dynamic reference voltage based on the input data line voltage. The differential sense amplifier circuit is coupled to the dynamic reference voltage generation circuit and receives the dynamic reference voltage for determining the input data. The dynamic reference voltage increases and the input data line voltage decreases when reading the input data of a logic state, e.g., logic “0.”
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Citations
Low-Voltage Embedded NAND-ROM Macros Using Data-Aware Sensing Reference Scheme for VDDmin, Speed and Power Improvement
TL;DR: This study proposes a data-aware sensing reference (DASR) scheme, capable of maintaining sensing margins for both read-0 and read-1 under given timing constraints, and the key mechanism involved in maintaining the sensing margin is the adaptive changing of the reference voltage.
14
Patent
Resistance variable memory device and system
Young-don Choi
- 03 Nov 2009
TL;DR: In this paper, a resistance variable memory device including a memory cell connected with a bit line, a sense amplifier circuit sensing a voltage level on the bit line and a pseudo-replica providing the sense amplifier with a control signal that compensates for a drop in the sensing capacity of the senses amplifier circuit in relation to process, voltage and temperature variations.
14
Patent
Transistor voltage threshold mismatch compensated sense amplifiers and methods for precharging sense amplifiers
J. Wayne Thompson,Howard C. Kirsch,Charles L. Ingalls +2 more
- 14 Jun 2010
TL;DR: In this article, a sense amplifier has a pair of cross-coupled complementary transistor inverters, and each one of the pair of transistors coupled to a respective one of its complementary inverters and a voltage.
7
Patent
Sense amplifier having an isolated pre-charge architecture, a memory circuit incorporating such a sense amplifier and associated methods
John E. Barth,Donald W. Plass,Adis Vehabovic +2 more
- 03 Nov 2011
TL;DR: In this paper, a sense amplifier and a memory circuit that incorporates it is described. But the memory circuit is not considered. And the sense amplifier is not used in this paper.
6
Patent
Semiconductor device, semiconductor memory device and data processing system comprising semiconductor system
Kazuhiko Kajigaya
- 14 Sep 2010
TL;DR: In this paper, the sense amplifier receives and amplifies the signal voltage at a sense node when the transfer transistor controls the connection between the bit line and the sense node in response to a transfer control voltage.
6
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TL;DR: In this article, a magneto-resistive memory is used for a high-speed sense amplifier that can reliably operate at low signal levels and includes offset cancellation to reduce or eliminate the internal offsets of the amplifier.
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TL;DR: In this article, a sense amplifier includes cross-coupled transistors, which are coupled to a corresponding unique transistor formed as a diode, and resistances associated with the sources of each transistor provide resistance of the resistors.
27
Patent
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Kevin X Zhang,R Carman Jennie +1 more
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TL;DR: In this article, an asymmetric sense amplifier is disclosed for use with single-ended memory arrays, where the sense amplifier has a bit input, a reference input, an enable input, and bistable output circuitry.
21
Patent
Timing signal generator for correctly transmitting a signal at high speed without waveform distortion
Hirotaka Tamura,Hideki Takauchi,Tsz-shing Cheung,O Fujitsu Limited Gotoh +3 more
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TL;DR: In this paper, the output driver generates a signal whose level is variable in response to an output level of the front driver, and the level adjuster adjusts the output level at the same time.
20
Patent
Single-ended sense amplifier with adjustable noise margin and power down control
Chao Chin-Chieh,Tsen-Shau Yang,Keh-Yung Tso +2 more
- 30 Mar 2000
TL;DR: In this paper, a single-ended sense amplifier including an output circuit having an output terminal for indicating a state of a bitline node is presented, and an n-channel transistor is provided for coupling or decoupling an input terminal of the output circuit with the bitline nodes.
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