[sdiy] Weird old logic chips & transistors

[Michael Baxter]

Aaron,

Ah, tales of times before ...

The N82XX and N88XX chips were part of the Signetics line of proprietary 
TTL logic from the 1970's. These should work fine with SN7400 logic.

The SP3XX I believe were Plessey RTL or DCTL from the late 1960's.

The MC7XX were Motorola RTL logic parts from the late 1960's.

Best,
Michael

On Sat, 3 Dec 2005, Aaron Lanterman wrote:

> 
> My parents came to visit this weekend, and my dad hauled along a massive pile
> of old electronic parts that he had inherited from my granddad; I had
> mentioned I was getting into circuits, and he thought they'd get more use here
> with me.
> 
> Anyway, I'm sorting through it - I came across some 74 series I recognized, as
> well as a couple LM380N amplifiers, and a whole bunch of LM324N op amps (which
> I recall seeing in some synth designs, if I recall correctly).
> 
> Then there's a whole bunch of weird logic chips. At least, when I type the #'s
> into datasheetarchive, they come up as logic chips, with the following
> descriptions (quantities I have listed in parens):
> 
> N8416A 3-Input NAND-Function Logic Gate (4x)
> N8270A	 	4-Bit Shift Register (2x)
> N8826A	 	Dual J-K Flip-Flop	(2x)
> N8266B (?) (2x)
> SP321A	 	Dual J-K Flip-Flop	 (1x)
> SP328A	 	Dual D-Type Flip-Flop	 (2x)
> SP362A	 	Single Monostable Multivibrator (5x)
> SP380A	 	1700mV nor gate   Philips (6x)
> 
> MC667P	 	Dual Monostable Multivibrator (4x)
> MC717P	 	2-Input NOR-Function Logic Gate (1x)
> MC719P	 	4-Input NOR-Function Logic Gate (5x)
> MC725 (handwritten) 4-Input NOR-Function Logic Gate (1x)
> MC778P Dual D-Type Flip-Flop (5x)
> MC789P ? (5x)
> MC790P ? (1x) (dual JK flip-flop - from online forum)
> MC791P ? (1x)
> MC792P   3-Input NOR-Function Logic Gate (1x)
> MC793P	 	3-Input NOR-Function Logic Gate (2x)
> MC830P	 	4-Input NAND-Function Logic Gate (10x)
> MC846P	 	2-Input NAND-Function Logic Gate (1x)
> MC894P	 	4-Bit Shift Register (2x)
> MC9820P  2-Input Multifunction Logic Gate (2x)
> 
> Anyone seen these before? What in the world is all this? Are these some weird
> pre-TTL kind of technology? Would they be useful in anything now, i.e. could I
> interface them with the 74 series?
> 
> After much googling I can't seem to find any actual datasheets.
> 
> Oh, and there's piles and piles of transistors, that I'm just starting to
> sort, including a whole bunch of 2n299 germaniums.
> 
> There's quite a few D29A4s and 2n3505... would those be of any use? (When I
> look at a transistor data sheet I don't really know what what I should be
> looking for...)
> 
> - Aaron
> 
> -----------------------------------------------------------------------------
> 
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> School of Electrical and Comp. Eng.    Fax:    404-894-8363
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