The DS, DS, and DS12C real-time clocks (RTCs) are designed to be direct replacements for the DS and DS Data Sheet. Subscribe. DS datasheet, DS circuit, DS data sheet: DALLAS – Real Time Clock,alldatasheet, datasheet, Datasheet search site for Electronic Components . DS Datasheet, DS PDF, DS Data sheet, DS manual, DS pdf, DS, datenblatt, Electronics DS, alldatasheet, free, datasheet.

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Worked like a charm and would like datashet thank you and I am very grateful I stumbled on your web site. A couple weeks ago when I finally got around to hooking it up I appreciate it greatly.

Here Best Regards Emmanuel. You did a great job! Dd1287 January, 7th, Emmanuel Da Piedade emmanuel. I used a medium sized flat file Attached the two wires to the exposed pins and put the new lithium cell in the holder.

Datasheets search archive of electronic components datasheets

At that point you wish you could add an external battery. The case is usually pretty much “solder-resistive” because of the anti-corrosion plating. It sets too fast!

Howe dougnflo [at] comcast [dot] net Kalamazoo, Michigan, U. There are no provisions for one.

Note the battery holder! You can see the result here sorry, the text is in french: It won’t do it no good and may result in early death of that datashdet due to excessive internal heating.


Thank you very much for putting this mod on your web site. I just want to tell you that I succesfully datasheett your DS rework How-to. My old computer has been out of action for months, but this week I got it going again by following the instructions on your webpage “Reworking the DS RTC chip”.

Don’t use rechargeable batteries. Go with the hot glue. Can you imagine my amazement and relief when I discovered your web site describing the DS rework process.

For anyone who attempts this mod I could not have gotten my Compaq DeskPro e back to clock life back without you! The 0V-reading tells you that you successfully disconnected the battery.

DS Datasheet Dallas Semiconducotr pdf data sheet FREE from

Curiosity killed that cat. The only things you need to dstasheet is: Without that webpage, I would never have thought of repairing it like that!

Dwtasheet daily self-discharge rate on some rechargeables is higher than the current taken by the RTC. Incidentally, my computer is an Compaq N, which seems to date from about I discovered that the RTC chip was dead. Even its successor DS is pretty hard to get and darn expensive.

So you have my thanks and gratitude for putting that idea on the web. Care for the polarity!

(PDF) DS1287 Datasheet download

If you have a multimeter test the voltage on pins 16 and 20 before and after. William Walsh did the DS-Rework to get an external battery to it as well. Have a look at the graphics below. These are intended for short-term use with strong charge and discharge intervals – not for long-term storage with a comparatively small discharge rate. I soldered a 22 solid wire to each of the battery holder pins, then glued the holder to the DS case using model airplane plastic cement.


Dallas Semiconductor DS Module Battery Replacement

Soldered and used a CR battery with holder on top of the Then the battery dztasheet xtal are placed atop es1287 the chip, connected to the pins and everything is covered with a pretty rigid protective compound.

After the dust cleared Then circumstances kept me from working with it until now I used an iron file that was about the exact width I needed and just slowly went back and forth about 50 times until I saw the metal and then used sandpaper the rest of the way. Should work like a charm.

It works like a champ! Possible Results Reworked chip inside a Mod. Now the battery is dead, configuration is lost after relatively short time again and you datasheey error-codes constantly.