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Post Axeqd5Bdgql4mmQNzk by [email protected] |
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Post #Axelx6GyrVDwAveHi4 by [email protected] |
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Hello and welcome to this #nakeddiefriday -- in which we'll have a look at … |
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Post #Axelx6QYHuscec7vd2 by [email protected] |
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The die prominently identifies itself as EJ5610, which might be the internal ID… |
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Post #AxemgZVJ1ogPrh21ui by [email protected] |
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There is a rather prominent area at the top, incorporating what looks like a ma… |
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Post #Axeqd4yWTcGa86HuYC by [email protected] |
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Looking closer up, I notice there are several rows and columns connected direct… |
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Post #Axeqd54u5tN2RtH0Uq by [email protected] |
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Each slice of 16 bit lines is multiplexed down to one bit output. The multiplex… |
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Post #Axeqd5Bdgql4mmQNzk by [email protected] |
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Apart from the very structured ROM area and the sea of gates in the lower right… |
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Post #Axeqd5I1J7rX6ZPTwO by [email protected] |
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As well as this obviously 8-bit block, driven by a small chunk of logic at the … |
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Post #Axeqd5NKzM7FN3tjEG by [email protected] |
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And its sister unit, organized in a rather peculiar way of 6 + 4. Noting how re… |
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Post #Axeqd5TMcww7fkiXce by [email protected] |
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If you thought the sea of logic is only for logic, think again. Some of these c… |
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Post #AxeqpPnItiqGApvFlw by [email protected] |
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And speaking of resistors, there is a very long one here, with a set of taps in… |
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Post #AxerH8nPgrKTYyC76G by [email protected] |
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More analogue action below it!Interesting stripe features on that capacitor. No… |
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Post #AxerlDcaJXolDSTIeG by [email protected] |
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@infosecdj I'm thinking more like output enables? I've seen other ROM I… |
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Post #Axern51jEtGH8k7VJ2 by [email protected] |
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The die also sports a set of electrical testing features. Apart from the usual … |
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Post #AxesUx4GBzSlCGDvsm by [email protected] |
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And I think i will end the thread here. I suggest exploring the die more by you… |
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Post #AxeskF0pky0VC9ua9o by [email protected] |
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@azonenberg An interesting idea. Were it so, those lines would not be routed to… |
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Post #AxeuaEUz0mDAc9MwnQ by [email protected] |
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@infosecdj yeah i guess another possibility would be litho dummy cells but a) f… |
