description. The 74AC circuit is designed to be used in high-performance memory-decoding or data-routing applications requiring very short propagation. A. ACTIVE. LCCC. FK. 1. TBD. POST-PLATE. N / A for Pkg Type. – 55 to A. SNJ54LS. FK. EA. ACTIVE. Product data sheet. 2 of NXP Semiconductors. 74HC; 74HCT 3-to-8 line decoder/demultiplexer. 3. Ordering information. 4. Functional diagram.

Author: Neran Zuluzil
Country: Sudan
Language: English (Spanish)
Genre: Environment
Published (Last): 27 January 2005
Pages: 131
PDF File Size: 19.42 Mb
ePub File Size: 12.86 Mb
ISBN: 593-4-74824-763-2
Downloads: 49457
Price: Free* [*Free Regsitration Required]
Uploader: Nijin

Hierarchical block is unconnected 3. The project is really a 24×16 LED matrix.

33 Fantastic 74238 Datasheet

Does it matter if I use a 74hc, 74hct, 74ac, etc.? I connected E1, E2, E3 together to a logic toggle and datashee giving 1 and 0.

Wouldn’t that voltage propagate backwards and hurt the 74AC? I’d like to use two 3: In model E1 is normal and E2 and E3 are inverted. Synthesized tuning, Part 2: Distorted Sine output from Transformer 8. No the model is not working. Digital multimeter appears to have measured voltages lower than expected. CMOS Technology file 1.

Last edited by jayanth. You don’t need to know those as such, only the knock-on effect. KeithRB on Datashdet 07, I apologize for not being clear enough. Originally Posted by jayanth.


You can get these from the data sheet for the device. If somebody has the right model please upload it.

Datasheet, PDF – Alldatasheet

Read times previous topic – next topic. Originally Posted by FvM. PV charger battery circuit 4. Measuring air gap of a magnetic core for home-wound inductors and flyback transformer 7. While I agree with the above statements, none of them actually answer the OP’s original question. See page 2 here. Please do not ask for unpaid help via PM, 742238 the forum. Alternatively, I could redesign using 74HCs non-inverting version of the and use N-channel logic level MOSFETs with a pulldown resistor to ground, would that be a better way to go?

Last edited by FvM; 28th October at The time now is Dec 242: AF modulator in Transmitter what is the A? Part and Inventory Search. I believe that ‘ style encoders only have 1 pin true at a time, meaning you’ll need to continually scan the Leds, You might be better off using 8-bit latches instead.

Input port and input output port declaration in top module 2. Turn on power triac – datashete circuit analysis 0.

I don’t see a relevance of keeping it. How datashest control the outputs by using one line for all the 3 ENx pins? Don’t use if can be helped. Unless you have specific logic level requirements that are out of the ordinary, then you don’t need to worry overmuch about them. All have the same pinouts.


Dec 248: I need extra NOT gates?.

MarkT Brattain Member Posts: But yes, specific LED driving buffer chips would be far better. Create a thread in the forum so that other members can benefit from the posted answers.

E1 to E3 are just arbitrary names. How can the power consumption for computing be reduced for energy harvesting? Please don’t make requests for help in private using PM.

HC family is a good all-round choice, will work at 3V3 as well as 5V, good output drive, fast, low power, cheap Equating complex number interms of the other 6.

It’s a Proteus model error.

Philips – datasheet pdf

Read the data sheets for the differences. How reliable is it? How do you get an MCU design to market datazheet When using CC and will be perfectly matched. CrossRoads on Nov 07, In Proteus model, E1 is normal and E2 and E3 are bubbled.

Author: admin