this is the IDT7212L 12-bit x 12-bit parallel multiplier...

this is the IDT7212L 12-bit x 12-bit parallel multiplier IC. it can multiply numbers in 30ns and uses a lot less power than the old-style bipolar multiplier chips.

Like 5 April at 21:20 | Open on mastodon.social

4 comments

Erik van Zijst

@tubetime that's a large die too btw!

5 April at 21:46 | Open on mas.to

Evan

@tubetime what decade is it from

5 April at 23:07 | Open on mastodon.social

F4GRX SÃ©bastien

@tubetime wow

5 April at 23:10 | Open on chaos.social

AGMS

12 bits suggests this could have been used to more cheaply add multiplication to a PDP-8. Though the data sheet more sensibly says it’s for digital signal processing.

6 April at 2:51 | Open on ruby.social

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