74LS162 DATASHEET PDF

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Hitachi Semiconductor 74LS Series Datasheets. 74LS, HD74LS, 74LSA Datasheet.

Hitachi bears no responsibility for failure or damage when used. The simplest and most pre-fabricated solution. After examining my washing machine, I 74l1s62 that machine itself is started by a normally off pushbutton.

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74LS IC 4-BIT BINARY COUNTER — Majju

No one dattasheet permitted to reproduce or duplicate, in any form, the whole or part of this document without. The oscillator would have very low frequency say 2Hz if possible and the counter would send signals to a device which would respond when counter reaches a certain number say after 18 seconds. I know that a dahasheet is the most datasheeg solution, but I’d rather skip collecting necessary gear for working with them at this time.

JeffV 1 5 It was interesting to program with ladder logic too. I think the best solution is to use CD with a crystal oscillator which can produced 1Hz pulses.

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Will be grateful for any help! For further information write to: You could use one of these, set it for the start time, and use the output to control a v relay which would operate the washer button. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly.

Some TTL logic parts were made with an extended military- specification Doing a timer like this is very easy to do on a very cheap micro since you don’t need it to do anything special.

This planar stripe MOSFET has better characteristics, such as fast switching time, low on resistance, low gate charge and excellent avalanche characteristics.

PDF 74LS162 Datasheet ( Hoja de datos )

Some background info first: Tokyo 03 Fax: How would I dztasheet a circuit which would wait for several hours and then “push” a button without using microcontrollers? If you have to press and release the pushbutton to start the washer, you may need a little more complicated relay arrangement. My first idea is to create or find prefabricated some sort of counter which would be connected to a slow oscillator. The last part of my question are vibrations.

Plug your devices and an AC relay rated for your countries power into it. Have it send you an SMS?

Discrete logic gates, flip-flops or anything else which doesn’t need a programmer is acceptable for me. We noticed that many new machines have a delayed start option which would be very useful because it would be possible to fill the machine and program it and it 74lw162 start working by itself during cheaper time.

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It is a free download and can be used as a layout CMOS timers can be used to achieve delays of hours. The resistors and capacitors use to set the frequency are not all that accurate, and they drift with temperature.

Ecoflair Technical Specifications Provides detailed information on unit Thank you very much.

I know you specifically said that you did not want to use a microcontroller, but I think you should consider taking the plunge into the microcontroller world. For what its worth One of my friends needs a new laundry adtasheet machine, so I went browsing with her. I had the PLC around from another project. Sign up or log in Sign up using Google. There are problems with timer approach.

Actually the Chip itself can drift with temperature. List of series integrated circuits – Wikipedia ; The following is a list of series digital logic integrated circuits. Actually I never would have thought of finding a useful purpose for my stack of alarm clocks which I never used. Copyright ‘ Hitachi, Ltd.

Hitachi makes every attempt to ensure that its datasbeet are of high quality and reliability. I’ll take a look. I’m thinking that the button could be replaced by a transistor or some sort of normally off relay. I implemented a circuit on my dryer for programmed start with an Omron PLC. I’ll be really very grateful.