J jorrit New Member Jan 2, 2007 #1 In a collection of old parts I found TDB0555 and a TDB0556 chips. I wonder if they are equivalent to the NE555 and NE556? I wasn't able to find any information about the TDB versions. Greetings and thanks,
In a collection of old parts I found TDB0555 and a TDB0556 chips. I wonder if they are equivalent to the NE555 and NE556? I wasn't able to find any information about the TDB versions. Greetings and thanks,
Hero999 Banned Jan 2, 2007 #2 Probably, I would assume they're lower power versions of the traditional 555. Try building LED flashers with them to verify this.
Probably, I would assume they're lower power versions of the traditional 555. Try building LED flashers with them to verify this.
J jorrit New Member Jan 2, 2007 #3 Hero999 said: Probably, I would assume they're lower power versions of the traditional 555. Try building LED flashers with them to verify this. Click to expand... I did and they work exactly the same as my NE555 so I suppose it is ok Greetings,
Hero999 said: Probably, I would assume they're lower power versions of the traditional 555. Try building LED flashers with them to verify this. Click to expand... I did and they work exactly the same as my NE555 so I suppose it is ok Greetings,
Hero999 Banned Jan 2, 2007 #4 Try comparing the current consumption to a standard NE555. Build a monostable and note the current consumption before and after it's triggered.
Try comparing the current consumption to a standard NE555. Build a monostable and note the current consumption before and after it's triggered.