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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International orders can only be shipped to the registered card address. This is essentially what I’m trying to create: This ensures that they cannot be accidentally pulled off the circuit easily.

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Max clock frequency at 5V: Per Curd’s comment, I am also including the source current diagram from the datasheet. Sign up to our newsletter for adtasheet. Thanks for the heads up!



Is that switch actually there? A good example is seen below.

If so, is it normally closed or normally open? Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count.

Note that the circuit you linked has a “1K2” resistor connecting the LEDs to ground negative.

Decade counter (B)

Problem with timer and counter Ask Question. Typical output drive at 5V: Email to a Friend. 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. Delivery times vary for international orders depending on the 4017n selected and the destination.

A 16 DIL pin Decade Counter with 10 decoded outputs and inputs including, clock, reset, and clock inhibit. I’m a first year student of E.

You must have JavaScript enabled in your browser to utilize the functionality of this website. The IC can provide up to Linking the B ICs together in this way allows for long interval timers to be made. I’m attempting to make a circuit that flashes each LED sequentially. Try a higher resistor value to lower the current significantly, say 10mA. Home Questions Tags Users Unanswered.


Be the first to review this product Email to a Friend. Same Day Dispatch Orders placed online before 3: For the given circuit current flows through LED if output is high the source current is relevant.

Supplying no voltage requires either a high-impedance output or leaving an input pin floating. The outputs will change at one tenth the speed of the first B IC. Note that for the sake of simplicity, I only included 5 LED’s in the schematic.

I’ll give it a go and see what happens. Continuous pulsing by the IC results the LEDs of the B turning on and off in sequence, creating a ripple datazheet.