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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WhatRoughBeast 49k 2 28 Post Your Answer Discard By clicking “Post Your Answer”, you 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. I’m still getting the same effect. Okay I wired 7,9, and 10 together and then connected them to a 1K resistor to 5V. I switched the LEDs around and connected their ckunter to 5V and their ground to dxta output pins.

In that case, invert the signals going to your LEDs. I added a 0. Finally, you should not count on TTL outputs driving high, as you have shown. Whenever I press the clock button I get all of the leds on except maybe one or two, with some flashing during the button press. So 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.

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I have added a debounce circuit, but still to avail. Email Required, but never shown. For a circuit board with a ground plane, the usual guideline is at least coujter cap per 5 ICs. Then I used a pullup resistor for the clear switch.

Sign up using Email and Password. You can often get away with less, but as you’ve 7416 learned, insufficient decoupling can have weird symptoms.

Datasheet(PDF) – TI store

Home Questions Tags Users Unanswered. TTL works much better pulling loads down. Get into the habit now.

Without this buffering, your switch should not work on a button push, only on a release. Also, have you added a 0. I’d reduce that down to something in the nF to 1uF ckunter. 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

It’s always the simple things. Oh, Ill change that and see what happens.

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Since you already need one section of aand there are 6 gates per IC, you simply go simulate this circuit. For breadboards, use a cap for each IC. As further issues arise I see myself stuck once more with a dysfunctional circuit.

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Since you already need one section of aand there are 6 gates per IC, you simply go.

4-bit Synchronous Counter with Asynchronous Clear

So your outputs should be connected like. Post as a guest Name. Sign up or log in Sign up using Google. By clicking “Post Your Answer”, you 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.

Sign up using Facebook. That’s probably causing as much trouble as no debounce was.