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computers / comp.sys.ibm.ps2.hardware / Re: LM3045/LM3046/LM3086 Transistor Arrays

Re: LM3045/LM3046/LM3086 Transistor Arrays

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Subject: Re: LM3045/LM3046/LM3086 Transistor Arrays
From: ibmmuseum@gmail.com (IBMMuseum)
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by: IBMMuseum - Mon, 9 Oct 2023 03:22 UTC

On Sunday, February 3, 2019 at 12:13:13 PM UTC-7, Louis Ohland wrote:
> https://datasheet.datasheetarchive.com/originals/distributors/Datasheets-22/DSA-423854.pdf
>
> Used on 16/4 adapters with the discrete pair of 53F2158 / A-B C30216
>
> [64D7274] This chip contains the output drivers and some "corporate
> logic", which was the 2 14-pin ICs on the elder version (ZM1 & ZM4).

Necrothread revivial - Part 1

Re: LM3045/LM3046/LM3086 Transistor Arrays

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Subject: Re: LM3045/LM3046/LM3086 Transistor Arrays
From: ibmmuseum@gmail.com (IBMMuseum)
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by: IBMMuseum - Tue, 17 Oct 2023 04:21 UTC

> > https://datasheet.datasheetarchive.com/originals/distributors/Datasheets-22/DSA-423854.pdf
> > Used on 16/4 adapters with the discrete pair of 53F2158 / A-B C30216

You can see the LM3045 chips in the schematics for the TROPIC design - which seems to be a straight copy (licensed from IBM by National Semiconductor) of the 'Pinegrove'-based adapters: https://www.ardent-tool.com/datasheets/NS_AN-816.pdf

Subject	Author
Re: LM3045/LM3046/LM3086 Transistor Arrays	IBMMuseum
Re: LM3045/LM3046/LM3086 Transistor Arrays	IBMMuseum