Texas Instruments’ 5400 and 7400 TTL quad 2-input NAND gate ... The earliest logic gate families were digital circuits designed to represent logic 1 and logic 0 as a high voltage or a low ...

If your introduction to digital electronics came more years ago than you’d care to mention, the chances are you did so with 5V TTL ... circuits we use when interfacing these different voltage ...

Logic gates. Design of combinational circuits and simplification ... tweezers for handling the wires, LEDs, resistors and TTL chips. Each week, students are given a laboratory assignment that entails ...