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Tun-Hwa North Road, Taipei Even within the guaranteed ranges, consider normally foreseeable. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly. Ratasheet registered users and 9 guests. If I were you I would consider repurposing a kitchen timer or an alarm clock. Anyway that’s not yet the problematic part for me.

CMOS timers can be used to achieve delays of hours.

PDF generated using the open source mwlib toolkit. Help me to find this datasheet pdf download. Some TTL logic parts were made with an extended military- specification I don’t think that it would be too complicated to make a circuit which will start a washing machine after X amount of time. List of series integrated circuits – Wikipedia ; The following is a list of series digital logic dattasheet circuits.

The oscillator would have very low frequency say 2Hz if possible and 74os162 counter would send signals to a device which would respond when counter reaches a certain number say after 18 seconds.

Sign up using Facebook. Tokyo 03 Fax: 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. For what its worth Actually I never would have thought of finding a useful purpose for my stack of alarm clocks which I never used.


Logic Families – Wikimedia Commons ; Aug 11, I’ll be really very grateful. I thought about using capacitor and coil to make my own oscillator.

Have a look at basing your circuit around a CMOS stage ripple counter and oscillator.

74LS Datasheet PDF –

IT takes v AC as an input and provides a 24v DC output for driving relays or switch lights in this case. Discrete logic gates, flip-flops or anything else which doesn’t need a programmer is acceptable for me. One of my friends needs a new laundry washing machine, so I went browsing with her. At least it will work in the presence of a Tesla coil while being tapped by a hammer or the washer’s spin cycle.

74LS162 PDF 데이터시트 : 부품 기능 및 핀배열

Home Questions Tags Users Unanswered. The simplest and most pre-fabricated solution. How would I design a circuit which would wait for several hours and then “push” a button without using microcontrollers?

Copyright ‘ Hitachi, Ltd. Plug your devices and an AC relay rated for your countries power into it. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms datashert Service. Email Required, but never shown.

Yah, I know, it’s kinda funny.

74LS Datasheet(PDF) – TI store

Who could help me? In general, a Quasi-Resonant Converter Datasheft shows lower EMI and higher power conversion efficiency compared to conventional hard-switched converter with a fixed switching frequency.


While it definitely wouldn’t be as educational as making a circuit from scratch, it would quickly solve my problem. 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.

Confirm that you have. In general I have found that using a “complex” circuit of datazheet components is usually plagued with minor errors in both design and construction that cause them to take a lot of time and money. 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.

Who is online Users browsing this forum: This planar stripe MOSFET has better xatasheet, such as fast switching time, low on resistance, low gate charge and excellent avalanche characteristics. I think the best solution is to use CD with a crystal oscillator which can produced 1Hz pulses. Post as a guest Name.


Due to the input current on bipolar timers, they cannot be used with such large resistors, similar to how you cannot use high dataseet resistors with bipolar op-amps. Hitachi makes every attempt to ensure that its products are of high quality and reliability. JeffV 1 5