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Of course you need it ASAP. Look at the datasheet again.
Notice also that the identical post has occurred on multiple forums. Replacement Transformer Started by ncag Today at 7: It’s neither elegant, nor efficient but it does perform the function. Media New media New comments Search media.
Note that the value given is positive 40 uAwhich means that the external circuit must source current in order to drive the input high — i.
I’m usually pretty good at spotting such “revivals”, but this one escaped.
Post as a guest Name. Welcome to our site! I thought pullup resistors were only necessary for CMOS. In my 40 plus years in the business I don’t think I’ve ever seen that despite using the part on numerous occasions.
Datasheet, PDF – Alldatasheet
A value like 10K on datahseet switch should work well. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Note that this is a very old chip.
Hero Banned Aug 29, Sign up or log in Sign up using Google. Here is what I imagine. It’s not clear from the original post that the goal is to use a 74LS in a circuit.
(PDF) Datasheet PDF Download – Bit RAM
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You must log in or register to reply here. Datasheets, Manuals or Parts. The only databook I have that has anything on it dates fromand byit was no longer listed in any of them. Sign up using Facebook. Sign up using Email and Password.
(PDF) 74189 Datasheet download
Just look at the date of the OP Yes I know the LEDs are inverted but the chips sense outputs are inverted too. Yes I know the LEDs are inverted but the chips sense outputs are inverted too Here’s the datasheet and the store page: Forums New posts Search forums.
Where are the pullup 71489 for your switches?