74LS148 PDF

74LS, 74LS Datasheet, 74LS pdf, buy 74LS, 74LS 8 to 3 Priority Encoder. 74LS, 74LS 8-to-3 Priority Encoder, 74LSxx Low Power Schottky Series. Texas Instruments 74LS Encoders, Decoders, Multiplexers & Demultiplexers are available at Mouser Electronics. Mouser offers inventory, pricing.

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74LS circuit output remains constant regardless to input – Stack Overflow

Join Stack Overflow to learn, share knowledge, and build your career. Please enter Email Address. Please enter Email Address Next. Post as a guest Name. Sign up or log in Sign up using Google. I repeated the entire process with another 74lx148 IC to make sure the first one was working.

Re-enter your account number, zipcode to try again. I then tried using pull up resistors, the use and circuit configuration of which is not entirely clear to me, which I think is the problem. Since the the inputs to the 74LS are active low, you actually want the common lead of all the switches 47ls148 go to ground, instead of VCC.

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policy 774ls148, and our Terms of Service. Your account information matches our records. Kit Observation Light Knob. If it has 10 switches, then I assume you mean pin, not pin. This way it will work for both types of chips. I’d still add the pull-ups though. I’d could really use a little help.

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Sorry, your details do not match our records. Sign up using Email and Password. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. That said, when using a chip like the LS you may want to rearrange the connections as shown below and use pullup resistors to establish the high levels on the inputs to the chip.

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The warranty period is 90 days for new, refurbished and repaired parts, and 30 days for used parts, starting on the delivery date of the part.

This will help regulator function as desired. Galux Trabakoulas 14 3. Cover Tubing Access Light Gray. Second, make sure your switches are all off to begin with, and then turn only one on at a time if you do turn on more than one, there is a table in the 74LS datasheet which will indicate what the output should be.

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Please enter appropriate 74ls1148 ID. Customers also shopped for. About Us Contact Us. Besides tying the common lead of the switches to ground, I would also connect 4.

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74LS 8-to-3 Priority Encoder

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EI pin-5 must low connect to ground. This form will auto-populate account information for registered users.

IC 74LS148

To be honest, I didn’t really know how to use the dip switches, but 74ks148 get it now, thanks. With your DIP switch connected as described you will need to provide a way 74ld148 the inputs of the decoder chip to go low when the switch is off. Do you want to continue? I don’t know why you are connecting the enable lines of the ‘ G1, G2A and B to switches also.

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The Pro Rata warranty allowance is calculated as:. 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. Wildan Maulana Syahidillah 3 1 4. In any case, in your example only inputs A, B and C should come from switches.