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 .
This ensures that they cannot be accidentally pulled off the circuit easily.
Decade counter (B)
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.
I’m a first year student of E. Collection If you would like to collect your order, or use your own courier then there is an option you can select during checkout.
For the given circuit current flows through LED if output is high the source current is relevant. If it’s normally open, then that’s your problem.
Max quiescent current at 5V: Dataeheet wires from the battery snap and also the ones from the toggle switch are fed through small holes in the PCB. The pulse from the timer can be used to activate dqtasheet B circuit.
Didn’t think about that. International orders can only be shipped to the registered card address. 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.
As Tony mentions in his answer, if the LEDs have a typical forward voltage of 2 to 2.
Typical output drive at 5V: Product Description The decade counter has ten output lines, one to represent each of the numbers 0 to 4017v, there is also a carry out line which goes high as the counter goes from 9 back round to 0. The IC can provide up to The outputs will change at one tenth the speed of the first B IC.
SIMPLE • DIGITAL • FAST
A number of B IC circuits can be connected together by connecting pin 10 divide by 10 pin to the input on the next B IC. Counters such as the B are cheap and yet surprisingly useful. Same Day Dispatch Orders placed online before 3: Drawing shows a pushbutton between Vcc and the actual power supply that is not on the schematic. Be the first to review this product. Per Curd’s comment, I am also including the datassheet current diagram from the datasheet. Home Questions Tags Users Unanswered.
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Decade counter (4017B)
They can be used in timing circuits and are often used to switch on and off LEDs or motors or other circuits. Be the first to review this product Email to a Friend.
I’m attempting to make a circuit that flashes each LED sequentially. If you spend between 40 and 48 – International orders may be charged import duty dependant on local import laws and duty rates. This is essentially what I’m trying to create: These charges are usually billed to you directly from UPS. The diagram shows the sink current.