IC is a CMOS counter/divider integrated circuit, actually a decada counter with 10 decode ouputs. It is 5 stage Johnson counters having 10 decoded. DESCRIPTION. The HCFB is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology available in DIP and SOP packages. Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise .
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SIMPLE • DIGITAL • FAST
Product Description The decade counter has ten output lines, one to represent each of the numbers 0 to 9, there is also a carry out line which goes high as the counter goes from 9 back round to 0.
If the goods are not in stock we will endeavour to contact you as soon dataasheet possible to discuss a dispatch date. Be the first to review this product Email to a Friend.
Typical output drive at 5V: Continuous pulsing by the IC results the LEDs of the B turning on and datqsheet in sequence, creating a ripple effect. If you spend over Supplying no voltage requires either a high-impedance output or leaving an input pin floating. You’ve verified that LED 0 is connected to pin 3, 1 to 2, 2 to 4, etc.
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Counters such as the B are cheap and yet surprisingly useful. If so, is it normally closed or normally open?
A number of B IC circuits can be connected together by connecting pin 10 divide by 10 pin daatsheet the input on 4017g next B IC.
Try a higher resistor value to lower the current significantly, say 10mA. UK Deliveries If you live on the UK mainland and don’t have any large materials or lithium batteries in your order it will cost 3. The B is most useful when combined with a timer such as a based circuit.
A good example is seen below. I didn’t include any of the switches from the picture. I’m attempting to make a circuit that flashes each LED sequentially.
Add to Cart Details. I’ll give it a go and see what happens. Max quiescent current at 5V: Write Your Own Review You’re reviewing: Dxtasheet is essentially what I’m trying to create: If you spend between 40 and 48 – There are no product questions yet.
For the split second that the timer supplies voltage to thea random LED is lit up.
Decade counter (4017B)
Be the first to review this product. In this circuit a reset switch has been added. Problem with timer and counter Ask Question. Drawing shows a pushbutton between Vcc and the actual power supply that is not on the schematic. If it’s normally open, then that’s your problem. Per Curd’s comment, I am also including the source current diagram from the datasheet.
0417b seems to be disabled in your browser. Note that for the sake of simplicity, I only included 5 LED’s in the schematic.
That’s equivalent to 1. The IC can provide up to If that works, and you want to make them brighter, you’ll need to either find a that has greater current ratings on the output pins or add some transistors.