74HC174 use - Electronic Circuits Projects Diagrams Free

AtomSoft · 4th July 2009, 11:16 PM

What in the world would someone use this for? I have like 4-5 of these and never knew. What would someone need this for?

crutschow · 4th July 2009, 11:46 PM

It's a hex d-type CMOS flip-flop (6 flip-flops in one package). A flip-flop is a bistable, one-bit memory storage circuit that's useful in building certain types of logic circuits.

A simple example would be to use one with a push-button to flip it on and off and control a light. Thus the light would be turned on and off with a push-button.

AtomSoft · 4th July 2009, 11:53 PM

so it stores the data on it?

So if i clock InPin0 = 1, OutPin0 = 1 until i clock in a 0?

crutschow · 5th July 2009, 12:03 AM

Quote:

Originally Posted by AtomSoft

so it stores the data on it?

So if i clock InPin0 = 1, OutPin0 = 1 until i clock in a 0?

Yes. The FF output follows the D-input value after it is clocked. It retains that data value until the next clock pulse after the D value changes.

There are also J-K flip-flops with two inputs. A high on the J input sets the FF output high after a clock pulse. A high on the K input sets the FF output low after a clock pulse. A low input on either the J or K input has no effect on the FF state. If both the J and K inputs are high then the FF will alternate its state after each clock pulse.

AtomSoft · 5th July 2009, 12:47 AM

great info!!

Thanks a bunch. I hope this sticks in my head

in fact ima print it and place in my binder

thanks again

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

4th July 2009, 11:16 PM	#1
AtomSoft	74HC174 use What in the world would someone use this for? I have like 4-5 of these and never knew. What would someone need this for? __________________ AtomSofts eBay Store AtomSoftTech: C18 TIPS & TRICKS v9 PDF My Name: Jason Lopez http://atomsofttech.info/ \| My YouTube Videos! My Favorite Store: dipmicro Electronics

4th July 2009, 11:46 PM	#2
crutschow	It's a hex d-type CMOS flip-flop (6 flip-flops in one package). A flip-flop is a bistable, one-bit memory storage circuit that's useful in building certain types of logic circuits. A simple example would be to use one with a push-button to flip it on and off and control a light. Thus the light would be turned on and off with a push-button. __________________ Carl Curmudgeon Elektroniker

4th July 2009, 11:53 PM	#3
AtomSoft	so it stores the data on it? So if i clock InPin0 = 1, OutPin0 = 1 until i clock in a 0? __________________ AtomSofts eBay Store AtomSoftTech: C18 TIPS & TRICKS v9 PDF My Name: Jason Lopez http://atomsofttech.info/ \| My YouTube Videos! My Favorite Store: dipmicro Electronics

5th July 2009, 12:47 AM	#5
AtomSoft	great info!! Thanks a bunch. I hope this sticks in my head in fact ima print it and place in my binder thanks again __________________ AtomSofts eBay Store AtomSoftTech: C18 TIPS & TRICKS v9 PDF My Name: Jason Lopez http://atomsofttech.info/ \| My YouTube Videos! My Favorite Store: dipmicro Electronics