DESCRIPTION. The HCFB is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology available in DIP and SOP packages. 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. 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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This is an input which when made high will hold the count at the current state. Output pins Q0 to Q9. The IC CD is used for counting applications, it has the capability to turn on 10 outputs sequentially in a pre-defined time and reset datasheett count or hold daatasheet when required. Max quiescent current at 5V: The wires from the battery snap and also the ones from the toggle switch are fed through small holes in the PCB.

As the name suggests this pin resets the count back to 1.


International orders can only be shipped to the registered card address. The 407b changes sequentially from Q0 to Q9 for every high pulse from the Clock pin, but this sequence can be interrupted by two pins.


Linking the B ICs together in this way allows for long interval timers to be made. In this circuit a reset switch has been added. 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. dtaasheet

Typical output drive at 5V: International orders may be charged import duty dependant on local import laws and duty rates. Complete Technical Details can be found at the CD datasheet given at the end of this page. If you spend over You can see the delivery time and cost at the shipping stage, or by using the shipping estimator from within the shipping basket.

The pulse from the IC is generated from pin 3. Add to Cart Details. Add a timer to pulse the decade counter.

These charges are usually billed to you directly from UPS. 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.

Write Your Own Review You’re dattasheet This is used as carry while counting. Same Day Dispatch Orders placed online before 3: Connected to the Ground of the circuit.


The timing diagram of the IC indicating the state of Output pins and Carry pin for every high pulse signal is shown below. Alternatively you can choose the free collection option and have your own courier collect it from us.

Decade counter (4017B)

Be the first to review this product. Delivery times vary for international orders depending on the service selected and the destination. A 16 DIL pin Decade Counter with 10 decoded outputs and inputs including, clock, reset, and clock inhibit. Submitted by admin on 16 October For a list of postcodes that will be charged the remote location rate click here.

Product Description The decade counter has datasyeet 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. This ensures that they cannot be accidentally pulled off the circuit easily.

They are versatile and relatively simple to put together.