74161 COUNTER DATA SHEET PDF

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74LS datasheet, 74LS pdf, 74LS data sheet, datasheet, data sheet, pdf, Fairchild Semiconductor, Synchronous 4-Bit Binary Counters. These synchronous, presettable counters feature an inter- nal carry look-ahead for application in high-speed counting designs. The DM74LSA and. DMDMDM Synchronous These synchronous presettable counters feature an inter- Office Distributors for availability and specifications.

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I’d reduce that down to something in the nF to 1uF range. Post as a guest Name. Also, have you added a 0.

4-bit Synchronous Counter with Asynchronous Clear

That’s probably causing as much trouble as no debounce was. I switched eheet LEDs around and connected their input to 5V and their ground to the output pins.

Without this buffering, your switch should not work on a button push, only on a release. For a circuit board with a ground plane, the usual guideline is at least one cap per 5 ICs. Sign up using Facebook.

It’s always the simple things. Email Required, but never shown.

Then I used a pullup resistor for the clear switch. Oh, Ill change that and see what happens. So your outputs should be connected like. Sign up using Email and Password.

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TTL works much better pulling loads down. Since you already need one section of aand there are 6 gates per IC, you simply go. Sign up or log in Sign up using Google. Home Questions Tags Users Unanswered. As further issues arise I see myself stuck once more with a dysfunctional circuit. By clicking “Post Your Answer”, dat acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

Finally, you should not count on TTL outputs driving high, as you have shown. You may object that this will provide LEDs which are on when the output is low, and off when the outputs are high, which is confusing.

(PDF) 74161 Datasheet download

Okay I wired 7,9, and 10 together and then connected them to a 1K resistor to 5V. Since you already need one section of aand there are 6 gates per IC, you simply go simulate this circuit. In that case, invert the signals going to your LEDs. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Vounter.

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Whenever I press the clock button I get all of the leds on except maybe one or sneet, with some flashing during the button press. WhatRoughBeast 49k 2 28 Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our shdet terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

For breadboards, use a cap for each IC. I’m still getting the same effect.

You can often get away with less, but as you’ve just learned, insufficient decoupling can have weird symptoms. I have added a debounce circuit, but still to avail. Get into the habit now. 7416 your outputs should be connected like simulate this circuit — Schematic created using CircuitLab You may object that this will provide LEDs which are on when the output is low, and off when the outputs are high, which is confusing.

I added a 0.