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What Chip is this?

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To my knowledge this is an Apple CPU made in 1986.

Anyone know what it is exactly? what specs it has?

if it's not a CPU what is it?

it says:

VLSI

9009BV Y5926

VGC7219A0693

344S0603-B

(M) (C) APPLE '86

and on the bottom:

Y5926

TAIWAN

@oldturkey03

@refectio

@tcrs_circuit

Ah. Now I remember where I got it from. a Macintosh SE!

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I didn't find what , exactly, this IC is but here is an interesting site that lists many of the IC's used in Apple computers. The closest match is the 344S0607-A and it dates back to the Apple IIc.

VLSI, the manufacturer, did custom ASICS so as such this is not a CPU but an application specific IC. Hopefully, @mayer will have more info.

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This is the BBU - essentially the main ‘chipset’ of the mac that handles generation of /BERR and selection of custom IC’s based on interrupts.

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