25 Sep SNN .. of significant portions of TI information in TI data books or data sheets is permissible only if reproduction is without alteration. MOS technology. A binary code applied to the four inputs (A to D) provides a low level at the selected one of sixteen outputs excluding the other fifteen outputs. 3. Ordering information. 74HC; 74HCT 4-to line decoder/ demultiplexer. Rev. 7 — 29 February Product data sheet. Table 1. Ordering .

Author: Moogulrajas Faezil
Country: Sao Tome and Principe
Language: English (Spanish)
Genre: Software
Published (Last): 22 June 2018
Pages: 485
PDF File Size: 13.50 Mb
ePub File Size: 19.48 Mb
ISBN: 898-1-21887-493-9
Downloads: 40064
Price: Free* [*Free Regsitration Required]
Uploader: Merg

Axial Lead and Cartridge Fuses ; Interrupt. The person who took time to answer the question will appreciate that. Each datasheet the 16 outputs can be connected through a resistor and then through an LED to serve as datasheet simple 16 LED controller. The active-low enable inputs allow cascading of demultiplexers over many bits. As for the NAND gates, there is a function being implemented in which the gates are there to realize it. Please consider upvoting those questions you 74154 datasheet useful like this one by clicking the arrow pointing up near the answer vote count which is in turn above the checkbox you clicked to accept this question.

The LED can be chosen at random by the 74154 datasheet of the 4 74154 datasheet selector inputs. Please consider upvoting those questions you found useful like this one by clicking the arrow 74154 datasheet up near the answer vote count which is in turn above 74154 datasheet checkbox you clicked to accept this question.


Heatsinks datasheet Mounting Style: That is, for an input ofthe 0 output is selected, and it is driven low. All inputs are buffered and input clamping diodes are provided to minimize transmission-line effects and thereby simplify dataheet design.

Electrical Engineering Stack Exchange is a question and answer site for electronics 74154 datasheet electrical engineering professionals, students, and enthusiasts. These sensors are packaged in size chip carriers that. Rather than providing only a datasheet enable, both 74154 datasheet are 74154 datasheet.

National Semiconductor

However, due to the internal structure of theonly one output can be enabled at a time. Questions Tags Users Badges Unanswered. Wakefield ; Product Category: By clicking 74154 datasheet Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued 74154 datasheet of the website is 74154 datasheet to these policies. First, the inversion of the outputs simply means that the output is active low. The LED can be chosen at datasheet by the status of the 4 line selector inputs.

Pb-free ceramic SMD package 5. These demultiplexers are ideally suited for implementing high-performance memory decoders. Many Datasheft parts and older memory chips have active low enable inputs, so the active low outputs of this part can be connected directly to those inputs.

Sign up using Email 74154 datasheet Password. That is, for an input 74154 datasheetthe 0 output is selected, and it is driven low.


I am a new user so I didn’t know I had that power. Since the ouputs are active low, NAND gates do the job. Post as a guest Name. Since the ouputs are 74154 datasheet low, NAND gates do the job. And why are there 2 of 74154 datasheet, you ask? If you want to know exactly what is going on then draw out the truth table, but it is unlikely their function will make much sense to you. Post as a guest Name.


dagasheet My first question is more 74154 datasheet Panel ; Heatsink Material: So is it possible that both 74154 datasheet are hooked to a 2-input OR gate; this is just making use of the extra pins to make 24? And why are there 2 of them, you ask? This allows more 74154 datasheet in the logic functions available. Straight ; Thermal Resistance: Series, Precision ; Voltage — Output: June 13, admin 0 Comments.

This site uses cookies to deliver our services and to show you relevant ads and job listings.

National Semiconductor – datasheet pdf

That is, if the outputs were active high, OR gates would perform the synthesis desired. Sign up using Facebook. According to the internal logic diagram on the datasheet, the G inputs are connected to a two-input AND gate with inverting inputs, whose output feeds one 74154 datasheet of all the NAND gates that produce the outputs.

My first 74154 datasheet is more important The demultiplexing function is performed by using the 4 input lines to address 74154 datasheet output line, passing data from one of the strobe inputs with the other strobe input low.