Hackaday

Building A Combination Lock With Logic Chips

The component gods must have smiled on [Darrell], because he recently ran into a cabinet full of 7400-series logic chips for sale at his local college surplus. All the regulars were there – flip-flops ...
Hackaday

Combo Lock Uses Relays And Logic Gates

Here’s a really fascinating circuit that implements a combination lock using relays and logic gates. Even with the schematic and written explanation of how it works we’re still left somewhat in 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 ...
EDN

Logic Selection Guide 2015

This article presents the selection guide of NXP’s standard logic and picogate logic in leaded and leadless packages. The selection guide covers the portfolio overview, special features, high voltage ...
Design-Reuse

DDR2/MDDR Combo PHY for Chip load usage ; UMC 65NM SP-RVT with 2.5V device LowK Logic Process

Design And Reuse - Catalog of IP Cores and Silicon on Chip solutions for IoT, Automotive, Security, RISC-V, AI, ... and Asic Design Platforms and Resources ...
Design-Reuse

DDR2/3 Combo Command /Address Block (with 2.5V IO device) ; UMC 90nm SP-RVT LowK Logic Process

DDR2/3 Combo Command /Address Block (with 2.5V IO device) ; UMC 90nm SP-RVT LowK Logic Process ...