EDN

Flip-Flop Using CMOS NAND Gates

Using just two NAND or inverter gates its possible to build a D type (or ‘toggle’) flip-flop with a push-button input. At power-up the output of gate N2 is at a logical ‘1’, ensuring that transistor T2 ...
Hackaday

MonoPong: A CMOS 1-D Pong

We’ve seen a few 1-D pong games recently, and they’ve all be controlled using microcontrollers. Inspired by some of these hacks, [mischka] built the monoPong using a handful of logic chips. The ...
Electronic Design

Six MOSFETs, Four Pins Create Two-Input Combo NAND/NOR Gate

This CMOS two-input combination NAND/NOR gate is a three-input, fourpin logic gate. A p-channel enhancementtype MOSFET (Q1) and an n-channel enhancement-type MOSFET (Q4) form one complementary ...
Design-Reuse

Low Power Universal Gates for Approximate Computing

Density and speed of IC’s have increased exponentially for several decades, following a trend described by Moore’s Law. While it is accepted that this exponential improvement trend will end, it is ...
Design-Reuse

Efficient logic optimization utilizing complementary behavior of CMOS gates

Any typical digital design style with CMOS uses complementary pairs of p-type and n-type MOSFETs for logic functions implementation. Naturally, CMOS always ought to provide INVERTED outputs like ...
Electronic Design

Layout-Dependent Modeling Boosts CMOS Gate Density

A layout-dependent circuit-design model from Toshiba helps boost gate density and improve cost-performance in next-generation 45-nm CMOS technology. More specifically, 45-nm CMOS gate density can be 2 ...
EDN

How to Read Datasheets: Logic ICs (Part 5)

In this column, we consider the evolution of complementary metal-oxide semiconductor (CMOS) technology, which was invented by Frank Wanlass in 1963. In this column, we consider the evolution of ...