Class / Patent application number | Description | Number of patent applications / Date published |
326087000 | Having plural output pull-up or pull-down transistors | 14 |
20080297199 | ADJUSTABLE DRIVE STRENGTH APPARATUS, SYSTEMS, AND METHODS - Apparatus, methods, and systems are disclosed, such as those involving a multi-die device having a common bus to indicate a state of each of a die of a multi-die device and that provides the state of all of the dice at a common output. Such a multi-die device can comprise two or more dice in a multi-die package, wherein each of said dice has a first drive parameter when indicating a first state and a second drive parameter when indicating a second state. When the first drive parameter of the two or more dice is at a value such that when one or more of said two or more dice is in the first state, said common output can indicate that all of the dice in the multi-die device are in the first state. | 12-04-2008 |
20090002031 | Slew rate controlled output driver for use in semiconductor device - An output driver for use in a semiconductor is capable of maintaining its slew rate constantly regardless of PVT (Process/Voltage/Temperature) variation. The output driver includes a pre-driving unit for pre-driving a data signal; a main driving unit for driving an output pad in response to the output signal of the pre-driving unit; and a slew rate modeling unit for generating a pre-driver bias signal to constantly maintain effective resistances of a pull-up path and a pull-down path of the pre-driving unit by modeling the pre-driving unit. | 01-01-2009 |
20090033367 | Transmission Device - A transmission device including: a driver unit which generates an output signal having an amplitude by a resistance division of a power-supply voltage; and an output-amplitude correction unit which generates current according to variation in the power-supply voltage, and corrects the amplitude by using the current. | 02-05-2009 |
20090284283 | RATIO ASYMMETRIC INVERTERS, AND APPARATUS INCLUDING ONE OR MORE RATIO ASYMMETRIC INVERTERS - A ratio asymmetric inverter has a signal input, signal output, first and second power inputs, pullup and pulldown transistors, and at least one delay element. The pullup transistor has a gate terminal, a source terminal coupled to the first power input, and a drain terminal coupled to the signal output. The pulldown transistor has a gate terminal, a drain terminal coupled to the signal output, and a source terminal coupled to the second power input. The signal input is respectively coupled to the gate terminals of the pullup transistor and the pulldown transistor via first and second signal paths. The at least one delay element is included in only one of the first and second signal paths, to impart a longer propagation delay to the one of the first and second signal paths. | 11-19-2009 |
20100026344 | METHODS, DEVICES, AND SYSTEMS FOR A HIGH VOLTAGE TOLERANT BUFFER - Methods, devices, and systems are disclosed, including those for a buffer having pre-driver circuitry configured to provide voltages to thin-gate dielectric transistors. One such buffer may comprise a plurality of pre-drivers wherein each pre-driver of the plurality of pre-drivers is operably coupled to a transistor of a plurality of transistors. The buffer may further comprise one or more clamping devices, wherein at least one transistor of the plurality of transistors has a gate coupled to at least one clamping device of the one or more clamping devices. | 02-04-2010 |
20100295577 | ADVANCED REPEATER WITH DUTY CYCLE ADJUSTMENT - An advanced repeater with duty cycle adjustment. In accordance with a first embodiment of the present invention, an advanced repeater includes an output stage for driving an output signal line responsive to an input signal and a plurality of active devices for selectably adjusting a duty cycle of the signal. The advanced repeater may further include circuitry for producing a delayed version of the signal. | 11-25-2010 |
20110128043 | OUTPUT DRIVER - An output driver of a semiconductor device includes driving transistors and a body bias providing unit. The driving transistors are coupled in parallel and configured to drive an output terminal. The body bias providing unit is configured to supply the driving transistors with respective body biases of at least two levels. | 06-02-2011 |
20110133780 | HIGH PERFORMANCE LOW POWER OUTPUT DRIVERS - Long existing performance, noise, and power consumption problems of known output drivers are solved by using n-channel transistors as pull up transistors and/or p-channel transistors as pull down transistors for high performance output drivers. In combination with RC termination circuits, output drivers of the present invention can be fully compatible with HSTL, SSTL, GTL, BTL, SATA, PCIe, LVDS, MIPI, MDDI or other partial voltage interfaces. | 06-09-2011 |
20110248745 | STAGED PREDRIVER FOR HIGH SPEED DIFFERENTIAL TRANSMITTER - According to various embodiments, a differential transmitter includes a driver and a predriver. In various embodiments, the predriver may include pull-up transistors and pull-down transistors configured in various ways to produce a staged output signal during a pull-up transition, wherein the higher bits of the input signal are switched slower in comparison with the lower bits of the input signal, while at the same time maintaining the simultaneous pull-down transition among all the bits. In various embodiments, the staged output of a predriver may further be dynamically disabled during a deemphasis exit transition. Other embodiments may be described and claimed. | 10-13-2011 |
20110267106 | LOW-POWER ROUTING MULTIPLEXERS - Low-power routing multiplexers that reduce static and dynamic power consumption are provided. A variety of different techniques are used to reduce power consumption of the routing multiplexers without significantly increasing their size. For example, power consumption of the routing multiplexers may be reduced by reducing short-circuit currents, reducing leakage currents, limiting voltage swing, and recycling charge within the multiplexer. Multiple power reduction techniques may be combined into a single routing multiplexer design. Low-power routing multiplexers may also be designed to operate in selectable modes, such as, a high-speed, high-power mode and a low-speed, low-power mode. | 11-03-2011 |
20110298494 | METHODS, DEVICES, AND SYSTEMS FOR A HIGH VOLTAGE TOLERANT BUFFER - Methods, devices, and systems are disclosed, including those for a buffer having pre-driver circuitry that provide voltages to thin-gate dielectric transistors. One such buffer may include a primary pull-up pre-driver operably coupled to a primary pull-up transistor; a secondary pull-up pre-driver operably coupled to a secondary pull-up transistor; a primary pull-down pre-driver operably coupled to a primary pull-down transistor; and a secondary pull-down pre-driver operably coupled to a secondary pull-down transistor. The pre-drivers may provide a sufficiently low voltage to a gate of a transistor operably coupled thereto so as to sustain a gate dielectric integrity of the transistor, wherein at least one of the primary pull-up pre-driver, the secondary pull-up pre-driver, primary pull-down pre-driver, and the secondary pull-down pre-driver is configured to provide a voltage greater than or equal to a ground voltage and less than or equal to a supply voltage. | 12-08-2011 |
20130076395 | SEMICONDUCTOR DEVICE - A semiconductor device includes a code generator configured to generate a supplementary code with a value changing in response to a variation of an impedance code, a main driver configured to receive an output data and drive the received output data to a data output pad, wherein a driving force of the main driver is controlled according to the impedance code, and an auxiliary driver configured to receive the output data and drive the received output data to the data output pad, wherein a driving force of the auxiliary driver is controlled according to the supplementary code. | 03-28-2013 |
20130099823 | OUTPUT DRIVER, DEVICES HAVING THE SAME, AND GROUND TERMINATION - An integrated circuit comprising an output driver including an output terminal, and a receiving circuit including a termination resistor connected between the output terminal and a ground. The output driver comprising a first NMOS transistor configured to pull up a voltage of the output terminal to a pull-up voltage in response to a pull-up signal, and a second NMOS transistor configured to pull down the output terminal to a ground voltage in response to a pull-down signal. | 04-25-2013 |
20150303925 | Output Buffer, Gate Electrode Driving Circuit and Method for Controlling the Same - The present disclosure discloses an output buffer, a gate electrode driving circuit and a method for controlling the same. The output buffer includes a first transistor, a second transistor and an input signal control unit. The input signal control unit controls an input signal to obtain a pull-up signal and a pull-down signal, which are input to input terminals of the first transistor and the second transistor, respectively. The above output buffer uses the input signal control unit to divide one input signal into two signals, i.e., the pull-up signal and the pull-down signal. | 10-22-2015 |