6. Frequently Asked Questions
▶>
It is considered a legacy product. You can find stock through surplus vendors, or modern equivalents from NXP or TI.
>
Yes, for hobby or industrial legacy systems. For high-precision or low-power systems, newer SMD versions are recommended.
>
Some pin-compatible or functionally similar ICs include NXP’s MC145158 series or analog/digital frequency synthesizer modules.
>
The suffix indicates packaging or performance bins. P2 usually refers to DIP package, standard industrial grade.
>
Yes. EstiSource has a database of verified secondary-market and authorized surplus suppliers for discontinued electronics.