They're no longer manufactured.So ain't there a binary to BCD working IC out there?
If you needed to breadboard a circuit, you can make them from 8x32 bit PROMs. In response to a problem, a member designed one using a 32Kb EPROM. I extended on his work and designed one using a 256Kb X 16 EPROM.
EDIT: You can probably find some parts that ship from China. If you're lucky, you might actually get an authentic, functioning chip. But, if you're not paying a lot, it's probably fake. Parts that are no longer being manufactured command a premium.
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