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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Rest of the world These orders are sent via UPS, and the cost is dependant on the service you choose at checkout. This IC will increment the count from 0 to 9 Q0 to Q9 each time it senses a high pulse from the clock pin pin They are the Clock Enable pin 13 and Reset pin 15 pins.

The B is most useful when combined with a timer such as a based circuit. Alternatively you can choose the free collection option and have your own courier collect it from us.

A 16 DIL pin Decade Counter with 10 decoded outputs and inputs including, clock, reset, and clock inhibit. You can see the delivery time and cost at the shipping stage, or by using the shipping estimator from within the shipping basket. The timing diagram of the IC indicating the state of Output pins and Carry pin for every high pulse signal is shown below.

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Add to Cart Details. Write Your Own Review You’re reviewing: They are versatile and relatively simple to put together. A number dtasheet B IC circuits can be connected together by connecting pin 10 401b by 10 pin to the input on the next B IC. Submitted by admin on 16 October If you spend over Linking the B ICs together in this way allows for long interval timers to be made.

The B is an integrated circuit which has been designed to count pulses. This is an input which when made high will hold the count at the current state.


The pulse from the IC is generated from pin 3. As the name suggests this pin resets the count back to 1. But when the IC completes counting up to 10, the pin will go high and will remain high till it counts till 5, when its 5 it will go down 0V and turn on again when it reaches Continuous pulsing by the IC results the LEDs of the B turning on and off in sequence, creating a ripple effect. Decade counter B How do you rate this product?

Decade counter (B)

We have 10 output pins ranging from Q0 to Q9, these pins can be connected to any load but we are using LEDs here as shown in the circuit below. Delivery times vary for international orders depending on the service selected and the destination. The output changes sequentially from Q0 to Q9 for every high pulse from the Clock pin, but this sequence can be interrupted by two pins.

This ensures that they cannot be accidentally pulled off the circuit easily. This is used as carry while counting. The counter is reset to zero when the reset line is held in a high state.

We have another pin called the carry out pin 12 th pinthis pin will stay low 0V by default. These are the 10 output pins on which the counting occurs, they are not in order hence verify pin diagram above. If the goods are not in stock we will endeavour to contact you as soon as possible to discuss a dispatch date. The count will reset itself back to Q0 and will stay there until Q0 is made low again.

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 the count or hold it when required. A good example is seen below.

As long as the clock inhibit is held low, upon a rising edge of the clock pin the output will count up from zero, one datazheet at a datasheft for each rising edge on the clock pin. This is commonly used for Led chasers and other logical output projects, so if you are looking for an sequential decoded counting IC that can count up to 10 then this IC will be your right choice.

In this circuit a reset switch has been added. Output pins Q0 to Q9.

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. They can be used in timing circuits and are often used to switch on and off LEDs or motors or other circuits.

This pin goes high after the IC counts from 1 to For a list of postcodes that will be charged the remote location rate click here. There are no product questions yet.

A astable dtasheet is used to pulse the B at regular intervals. Email to a Friend. Further Information For information about all of the delivery options we offer click here. The pulse from the timer can be used to activate the B circuit. Add a timer to pulse the decade counter.

International orders can only be shipped to the registered card address. Same Day Dispatch Orders placed online before 3: The wires from the battery snap and also the ones from the toggle switch are fed through small holes in the PCB.

The datawheet will change at one tenth the speed of the first B IC.