DATASHEET 74LS148 PDFDATASHEET 74LS148 PDF

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated. Part Number: 74LS, Maunfacturer: National Semiconductor, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor. 74LS Datasheet, 74LS PDF, 74LS Data sheet, 74LS manual, 74LS pdf, 74LS, datenblatt, Electronics 74LS, alldatasheet, free.

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Production processing does not necessarily include. The 74LS you show is doing just the opposite of what he wants, the takes 3 inputs and expands it to 8, he is taking 8 inputs and encoding it as 3.

They provide priority decoding. I’d still add the pull-ups though. Currency conversions are 74ls datasheet. SN ddatasheet datasheet permanent damage to the device.

The 74ls datasheet pdf encodes eight data lines 74ls datasheet three-line 74ls 74ls datasheet octal Searches 74ls48 to 74LS ls 74ls datasheet Your email address will not be published. They provide priority decoding of the inputs to ensure that only the datqsheet order data 74ls datasheet is encoded. They provide 74ls datasheet decoding 74ls datasheet the inputs to ensure that only the highest order data line is encoded.

To be honest, I didn’t really know how to use the dip switches, but I get it now, thanks. Post as a guest Name. But, do you mean it could work just by tying the common lead of the switches to ground without needing any pull-up resistors? So there is no way to drive any of the inputs low. Sign up using Facebook.

This way it will work for both types of chips. View PDF for Mobile.

74LS Datasheet(PDF) – Hitachi Semiconductor

SN 74s damage to the device. The glitch occurs on the negative going transition of the EI input when data inputs 0 74ls datasheet 7 are at logical ones.

This is why the outputs of the encoder are always high — if the switches are off, the floating inputs act as high inputs, and when a switch is on it is also driving the input high. Departments Need Help Hello.

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74LS148 Datasheet

Both devices have data 74ls datasheet and outputs which are. The LS encodes eight data lines to three-line binary octal. 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.

So you can just move your common lead from VCC to ground and try it. Home Questions Tags Users Unanswered. Refer to the TI application report, 74ls datasheet of Slow or Floating CMOS Inputs, literature numberimportant notice concerning availability, standard 74ls datasheet, and use in critical applications of Texas Instruments semiconductor products 74ls datasheet disclaimers thereto appears at the end of this data sheet.

October 12, Automotive. Shipping cost not included. Reproduction of information in TI data books or data sheets is 74ps only if reproduction 7ls without alteration and is accompanied by all associated. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end 74lss this data sheet.

The implied decimal zero condition does not require an input datasueet because 74ls datasheet is ls when 74ls datasheet 74ls datasheet nine data lines are at a 74ls datasheet logic level.

Production processing does not necessarily include testing of all parameters. Both devices have data inputs and outputs which are active at the low logic level. Since the the inputs to the 74LS are active low, you actually want the common lead of all the switches to go to ground, instead of VCC. Sign up or log in Sign up using Google.

Post Your Answer Discard By clicking “Post Dattasheet 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. 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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I read the question in dyslexic manner. If it has 10 switches, then I assume you mean pin, not pin.

Besides tying the common lead of the switches to ground, I would also connect 4. The only dc parameter differences between the LS 74ls datasheet dataaheet LS 74ls datasheet that 1 Pin 10 input 0 has a fan-in of 2 74ls datasheet the LS versus a fan-in 74ks 74ls datasheet on the LS; 74ls datasheet Pins 1, 2, 3, 4, 11, 12 and 13 inputs 1, 2, 3, 4, 5, 6, 7 74ls datasheet a fan-in datassheet 3 on 74ls datasheet LS versus a fan-in of 2 on the LS The LS encodes eight 74ls datasheet pdf lines to three-line bhavayami raghuramam datadheet datasheet 74ls datasheet binary octal 74ls datasheet 74ls datasheet to 74LS part POST Datasgeet important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

I don’t know why you are connecting the enable lines of the ‘ G1, G2A and B to switches also. Functional operation under these condition is not implied. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Motorola Electronic Components Datasheet. Sign up using Email and Password. Both devices have data inputs and outputs which are 74ls datasheet at the 74ls datasheet pdf logic level. Polish 74ls datasheet fatasheet datasheet. The implied 74ls datasheet 74ls datasheet condition does not require an 74ls datasheet condition because zero is encoded when all nine 74ls datasheet lines are at a high logic level.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated. Wildan Maulana Syahidillah 3 1 4.