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Datasheet & Components-Urgent!


lanre
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Hi,
Pls, I urgently need the datasheet as well as possible place to get these  ICs (or thier equvalents) required to carry out the project below
http://www.electronics-lab.com/projects/telephone/015/index.html
MC 45436 DTMF Decoder
CD 4515B 1 of 16 decoder
CD 4013B Dual RS flip flop
I also need a possible place to get an audio transformer (1K/8R  centre-tapped at 1Kwinding)
Pls, the components are really disturbing the progress of my project.

The components are specified in the address below:
http://www.electronics-lab.com/projects/telephone/014/index.html
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