O'Reilly logo

Verilog Designer’s Library by Cupertino CA Bob Zeidman - Zeidman Consulting

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 6 The J-K Flip-Flop

In the days of TTL logic, when a 4-bit microprocessor was considered state of the art, the J-K flip-flop was a very popular device. In particular, the 7473 TTL IC was particularly popular. The reason for this is that it was extremely flexible, allowing one device to act as several different types of flip-flops, depending on how it was wired. This cut down on the number of devices that needed to be purchased and stocked. Also, it meant fewer glue logic devices on a board. In those days, engineers liked to play all sorts of tricks in order to save packages, and the J-K flip-flop lends itself to these tricks.

In fact, when I was younger and not long out of school, I interviewed at a large CAD company for a position as ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required