Datasheet / Info for Motorola SC5330 IC?

[Bob Rosenbloom]

On 9/30/2020 3:40 PM, Josh Dersch via cctalk wrote:
> On Wed, Sep 30, 2020 at 2:41 PM Gavin Scott via cctalk <
> cctalk at classiccmp.org> wrote:
>
>> Josh wrote:
>>> https://1drv.ms/u/s!Aqb36sqnCIfMpIVXm5draSrWHGMzJg
>> Would these potentially be the sense amp / comparators for the core? I
>> wonder if they were anything like:
>>
>> https://datasheetspdf.com/pdf-file/1092342/Motorola/MC1711L/1
>>
>> which might have a similar application and take +15 and -7 on L
>> package pins 11 and 4 respectively with ground on pin 12.
>>
>> Being another Motorola design from what looks like a similar time
>> period, I wonder if there could be a similarity in pinouts by some
>> chance?
>>
> It's not an MC1711L based on that pinout.  (But I suspect as you do that
> it's part of the sense amp for the core).  In particular Pin 1 of the IC is
> connected to what I believe to be +15V.  (It's also hard to tell what pin 1
> is, since there's no orientation marker on these... )  Ground is pin 10.  I
> suspect -15V is pin 7.
>
> - Josh
That pinout sounds like the Motorola MC1440 sense amp though the 
voltages are different.

Bob

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