Nanowire crossbar is an efficient nanoscale architecture which can be used for logic circuit design. In this work, we study and compare different crossbar nanoarchitectures and their application in logic circuit implementation. To evaluate the performance of crossbar architecture compared to the conventional CMOS logic design, we have implemented logic circuits using both approaches. The equiva...

In view of changing the type of energy conversion in CMOS circuits, this paper investigates low power CMOS circuit design which adopts gradually changing power clock. First, we discuss the algebraic expressions and the corresponding properties of clocked power signals, then a clocked CMOS gate structure is presented. The PSPICE simulations demonstrate the low power characteristic of clocked CMO...

This paper compares the ratioed logic circuits and conventional CMOS design. This comparison performed on efficient CMOS circuit realizations and the ratioed logic circuits and it is resulted in to superiority of ratioed circuit over the conventional CMOS in some cases with respect to area, input capacitance. In this paper, 4-input NAND gate is designed using the conventional CMOS design and ps...

The proliferation of portable electronic systems has created demand for high-resolution displays which are compact and highly energy-efficient. We have designed and built a proof-of-concept for a display that meets these design constraints. Our display uses a standard digital CMOS integrated circuit to produce a lowbrightness image, and an image intensifier to increase brightness to a visible l...

In this paper, a test circuit is proposed for detecting open leads of CMOS logic ICs by means of supply current of a circuit under test. The circuit consists of a supply current measurement circuit and a test stimulus generator. The test stimulus generator is designed so that high speed test can be realized. Also, it is shown by some experiments that open leads of CMOS ICs will be detected at t...

Semiconductor memory is an electronic data storage device, often used as computer memory, implemented on a semiconductor-based integrated circuit. It is made in many different types and technologies. Most modern semiconductor memory devices are implemented allowing random access, which means that it takes the same amount of time to access any memory location, so data can be efficiently accessed...

Passive energy harvesting from mechanical vibration has wide application in wearable and embedded sensors to complement or replace batteries. Energy harvesting efficiency can be increased by eliminating AC/DC conversion. A test chip demonstrating self-timing, power-on-reset circuitry, and memory for energy harvesting AC voltages has been designed in 180 nm CMOS and tested. Circuit operation is ...

To meet the desired electrostatic discharge (ESD) robustness, ESD diodes was added into the I/O cells of integrated circuits (ICs). However, the parasitic capacitance from the ESD diodes often caused degradation on circuit performance, especially in the high-speed I/O applications. In this work, two modified layout styles to effectively improve the figures of merits (FOMs) of ESD protection dio...

Memristor, as an innovative technology, has been proposed in the application of neural networks since its physical implementation was reported by HP lab. In this paper, we proposed a Hamming network circuits based on CMOS/memristor hybrid design which is compact in device size and circuit structure. Through HSPICE simulation, pattern recognition and classification functions of hamming network c...