October 2006
Intermediate to advanced
544 pages
20h 23m
English
Content preview from Digital Systems: Principles and Design
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
400
Digital Systems
FIGURE 16.12 A synchronous counter using J-KFFs and circuit to force state change at all Qs.
TABLE 16.6 State table for a for a 4-bit Johnson counte*r to activate seven sequences from circuit of Figure 16.11(c)
Present state Next state after transition Present output
(3
)
, 3
*
, 3
+
, 3
,
) ;
State Q
3
Q
2
Q
2
Q
1
S
1
0001 S
1
0 0 0 1 (Y¢
1
)
S
3
0011 S
3
0 0 1 1 (Y¢
3
)
S
7
0111 S
7
0 1 1 1 (Y¢
7
)
S
8
1000 S
15
1 1 1 1(Y¢
15
)
S
12
1100 S
14
1 1 1 0(Y¢
14
)
S
14
111 0 S
12
1 1 0 0 (Y¢
12
)
S
15
1111 S
8
1 0 0 0 (Y¢
0
)
Note: Q outputs which define a unique sequence are connected to AND gate of the AND array are underlined in the last
column which activate outputs in circuit of Figure ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.