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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I appreciate it greatly. All described modifictions apply to this chip as well. Can you imagine my amazement and relief when I discovered your web site describing the DS rework process.

Here Best Regards Emmanuel. If you have a multimeter test the voltage on pins 16 and 20 before and after. On March, 23rd, Chris xrisl [at] yahoo.

Reworking the DS / DS RTC chip

The case is usually pretty much “solder-resistive” because of the anti-corrosion plating. A really new, fresh and unused chip is hard to get.


These are intended for short-term use with strong charge and discharge intervals – not for long-term storage with a comparatively small discharge rate. It sets too fast! Possible Results Reworked chip inside a Mod. The daily self-discharge rate on some rechargeables is higher than the current taken by the RTC. 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. For anyone who attempts this mod Don’t use rechargeable batteries. Most likely you won’t get a wire soldered properly to it.

(PDF) DS1287 Datasheet download

Care for the polarity! I just want to tell you that I succesfully used your DS rework How-to.

On Datzsheet, 7th, Emmanuel Da Piedade emmanuel. Even its successor DS is pretty hard to get and darn expensive. Without that webpage, I would never have thought of repairing it like that! Howe dougnflo [at] comcast [dot] net Kalamazoo, Michigan, U.


The only things you need to do is: I discovered that the RTC chip was dead. The 0V-reading tells you that you successfully disconnected the battery. 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”.

It dtaasheet like a champ! It won’t do it no good and may result in early death of that part due to excessive internal heating.

Datasheets search archive of electronic components datasheets

Go with the hot glue. So you have my thanks and gratitude for putting that idea on the web. At that point you wish you could add an external battery.

There are no provisions for one.

A couple weeks ago when I finally got around to hooking it up Note the battery holder!