[GreenKeys] The last of the Pasco 35 ASR photos .. for a while
Chris Elmquist
chrise at pobox.com
Tue Aug 11 11:08:00 EDT 2015
On Tuesday (08/11/2015 at 07:49AM -0700), Gil Smith wrote:
> Hey Ed. I have never run across CTL. Interesting -- bipolar version
> of CMOS. Still learning new things
Indeed. Very interesting history there. I also found a little more detail
here,
http://users.monash.edu.au/~ralphk/CTUL.html
Chris
> -------- Original Message --------
> Subject: Re: [GreenKeys] The last of the Pasco 35 ASR photos .. for a
> while
> From: [2]COURYHOUSE at aol.com
> Date: Mon, August 10, 2015 10:36 pm
> To: [3]COURYHOUSE at aol.com, [4]gil at baudot.net, [5]chrise at pobox.com,
> [6]pete at petelancashire.com
> Cc: [7]GreenKeys at mailman.qth.net
> Gil and others
>
> These 2 are pretty good history refs.
> I was pretty lucky I had a good stash of
> some of the CTL that was used in the
> HP-2000 series boards we had to deal with..
>
> The only ones We have now are in the HP Mini computers
> in the museum' collection.. I would love to re-launch our dual
> processor
> HP-2000 F/ACCESS system ... maybe someday....
>
> CTL is some of the grandpa ICs!
>
> Ed Sharpe- [8]www.smecc.org
>
> [9]HP 21xx - CTµL ICs
>
> [10]www.cs.ubc.ca/~hilpert/e/.../CTL.html
> * [11]Cached
>
> University of British Columbia
> Loading...
> Fairchild CTµL (Complementary Transistor MicroLogic) was one of the
> first IC logic families, dating from the mid-1960s, and is a form of
> non-saturating, ...
>
> [12]1965 - Mainframe Computers Employ ICs - The Silicon ...
>
> [13]www.computerhistory.org/.../1965-Custom.ht...
> * [14]Cached
> * [15]Similar
>
> Computer History Museum
> Loading...
> Burroughs engineers cooperated with Robert Seeds at Fairchild to
> develop a Complementary Transistor Logic (CTL) family that also powered
> Hewlett-Packard's ...
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> In a message dated 8/10/2015 10:05:12 P.M. US Mountain Standard Time,
> [16]greenkeys at mailman.qth.net writes:
>
> Here we go folks...
>
>
>
> The HP 2116 and other 2000 series mini computer sued some of this
> stuff.
>
> Complementary Transistor Logic (CTL)
> A form bipolar digital integrated circuit that uses npn and pnp
> transistors to achieve fast switching speed.
>
>
>
>
>
> here are some google references on it.
>
>
>
> [17]Bipolar Complementary Transistor Logic (CTL) - IEEE Xplore
>
> [18]ieeexplore.ieee.org/.../article...
> Institute of Electrical and Electronics Engineers
> Loading...
> IEEE TERMS. Bipolar transistor circuits; CMOS analog integrated
> circuits; CMOS logic circuits; Capacitance; Inverters; Logic circuits;
> Regulators; Resistors ...
>
> [19]Complementary Transistor Logic (ctl) Patents (Class 326 ...
>
> [20]patents.justia.com/patents-by-us-classification/326/129
> * [21]Cached
>
> Search and research Complementary transistor logic (CTL) 326/129
> patents for free on [22]Justia.com.
>
> [23]Bipolar Complementary Transistor Logic (CTL)
>
> [24]www.researchgate.net/.../241128711_Bipolar_Complementar...
> ResearchGate
> Loading...
> Bipolar Complementary Transistor Logic (CTL) on ResearchGate, the
> professional network for scientists.
>
> [25]Electrical and Electronics Reference Manual for the ...
>
> [26]https://books.google.com/books?isbn=159126166X
> [27]John A. Camara, PE - 2010 - âTechnology & Engineering
> LOGIC FAMILIES inverter v c Q1 (PMOS) +VDD âVDD or float switch
> terminals ... semiconductor (CMOS), also known as complementary
> transistor logic (CTL), ...
>
> [28]Logic Designer's Handbook: Circuits and Systems
>
> [29]https://books.google.com/books?isbn=1483292800
> [30]E. A. Parr - 2013 - âTechnology & Engineering
> 2.4 Complementary Transistor Logic (CTL) The ability to manufacture npn
> and pnp transistors on the same IC allowed an interesting development
> of DTL. A CTL ...
>
> [31]CTL abbreviation stands for Complementary Transistor Logic
>
> [32]www.allacronyms.com/CTL/Complementary_Transistor_Logic
> * [33]Cached
>
> Complementary Transistor Logic definition, categories, type and other
> relevant information provided by All Acronyms. CTL stands for
> Complementary Transistor ...
>
> [34]Computer Engineering Reference Manual for the Electrical ...
>
> [35]https://books.google.com/books?isbn=1591261708
> [36]John A. Camara, PE - 2010 - âTechnology & Engineering
> LOGIC FAMILIES inverter v c Q1 (PMOS) +VDD âVDD or float switch
> terminals ... semiconductor (CMOS), also known as complementary
> transistor logic (CTL), ...
>
> [37]Core Engineering Concepts for Students and Professionals
>
> [38]https://books.google.com/books?isbn=1591263581
> [39]Michael R. Lindeburg, PE
> Complementary metallic oxide semiconductor (CMOS), also known as
> complementary transistor logic (CTL), circuits have high packing
> density and reliability.
>
> [40]Principles of Electronic Instrumentation - Page 67 - Google Books Result
>
> [41]https://books.google.com/books?isbn=8120333551
> [42]D. PATRANABIS - 2008 - âTechnology & Engineering
> 3.2.5 Complementary Transistor Logic A form of current logic where the
> transistors are prevented to go into saturation by the use of the
> complementary transistor
>
>
>
> In a message dated 8/10/2015 9:44:09 P.M. US Mountain Standard Time,
> [43]gil at baudot.net writes:
>
> Hey Ed:
>
> I just meant that early ICs were sometimes resistor-transistor-logic
> (RTL) or diode-transistor-logic (DTL), both of which kinda pre-dated
> transistor-transistor-logic (TTL). Lots of house-numbered parts for
> those families.
>
> I'm not sure what CTL is -- did you mean CML (current-mode-logic) as in
> ECL or MECL? That was pretty fast stuff for its day.
>
> TTL is still darned handy. Not the antique power-hungry chips of
> course, but the threshold voltages, as in a 5V micro with
> TTL-compatible inputs that can be driven with 3.3V CMOS logic since VIH
> is only 2.0V. Or, more commonly, a 3.3V micro that needs to output a
> 5V signal -- run it through a 74AHCTxx powered by 5V.
>
> Gil
>
> gil smith, AF7EZ
> greenkeys moderator
> [44]gil at baudot.net
>
> -------- Original Message --------
> Subject: Re: [GreenKeys] The last of the Pasco 35 ASR photos .. for a
> while
> From: couryhouse <[45]couryhouse at aol.com>
> Date: Mon, August 10, 2015 4:21 pm
> To: Gil Smith <[46]gil at baudot.net>, Chris Elmquist
> <[47]chrise at pobox.com>, Pete
> Lancashire <[48]pete at petelancashire.com>
> Cc: greenkeys <[49]GreenKeys at mailman.qth.net>
> Or CTL Gil?...
> Sent from my Verizon Wireless 4G LTE smartphone
> -------- Original message --------
> From: Gil Smith <[50]gil at baudot.net>
> Date: 08/10/2015 3:13 PM (GMT-07:00)
> To: Chris Elmquist <[51]chrise at pobox.com>, Pete Lancashire
> <[52]pete at petelancashire.com>
> Cc: greenkeys <[53]GreenKeys at mailman.qth.net>
> Subject: Re: [GreenKeys] The last of the Pasco 35 ASR photos .. for a
> while
> Or DTL, or RTL?
> gil smith, AF7EZ
> greenkeys moderator
> [54]gil at baudot.net
>
> -------- Original Message --------
> Subject: Re: [GreenKeys] The last of the Pasco 35 ASR photos .. for a
> while
> From: Chris Elmquist <[55]chrise at pobox.com>
> Date: Mon, August 10, 2015 2:44 pm
> To: Pete Lancashire <[56]pete at petelancashire.com>
> Cc: greenkeys <[57]GreenKeys at mailman.qth.net>
> On Monday (08/10/2015 at 11:03AM -0700), Pete Lancashire wrote:
> > The 9140. Pictures of, and of each board
> >
> > [58]https://goo.gl/photos/xZrMR9WthHwgYA359
> Wow. I can't find a single DIP package in any of those photos that is
> not a custom house numbered part. Moto, Fairchild, NS, TI ... all of
> the players but every one is house numbered.
> I assume that's all 7400-series TTL?
> Amazing.
> --
> Chris Elmquist NÃJCF
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> Visible links
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> 3. mailto:COURYHOUSE at aol.com
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> 5. mailto:chrise at pobox.com
> 6. mailto:pete at petelancashire.com
> 7. mailto:GreenKeys at mailman.qth.net
> 8. http://www.smecc.org/
> 9. http://www.cs.ubc.ca/~hilpert/e/HP21xx/CTL.html
> 10. http://www.cs.ubc.ca/~hilpert/e
> 11. http://webcache.googleusercontent.com/search?q=cache:B-GA4Kca8poJ:www.cs.ubc.ca/~hilpert/e/HP21xx/CTL.html+&cd=1&hl=en&ct=clnk&gl=us
> 12. http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CCQQFjABahUKEwiP06impKDHAhWCOIgKHVKRDWk&url=http%3A%2F%2Fwww.computerhistory.org%2Fsemiconductor%2Ftimeline%2F1965-Custom.html&ei=QIbJVY-zMILxoATSorbIBg&usg=AFQjCNG-F01qUF7kJdemSBfrmPakEhwG7Q
> 13. http://www.computerhistory.org/.../1965-Custom.ht
> 14. http://webcache.googleusercontent.com/search?q=cache:w6BRBIHW_IwJ:www.computerhistory.org/semiconductor/timeline/1965-Custom.html+&cd=2&hl=en&ct=clnk&gl=us
> 15. https://www.google.com/search?biw=784&bih=142&q=related:www.computerhistory.org/semiconductor/timeline/1965-Custom.html+Complementary+Transistor+Logic+(CTL)+hp-2000&tbo=1&sa=X&ved=0CCgQHzABahUKEwiP06impKDHAhWCOIgKHVKRDWk
> 16. mailto:greenkeys at mailman.qth.net
> 17. http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5469333
> 18. http://ieeexplore.ieee.org/.../article
> 19. http://patents.justia.com/patents-by-us-classification/326/129
> 20. http://patents.justia.com/patents-by-us-classification/326/129
> 21. http://webcache.googleusercontent.com/search?q=cache:4EWSZZNFTp8J:patents.justia.com/patents-by-us-classification/326/129+&cd=2&hl=en&ct=clnk&gl=us
> 22. http://Justia.com/
> 23. http://www.researchgate.net/publication/241128711_Bipolar_Complementary_Transistor_Logic_(CTL)
> 24. http://www.researchgate.net/.../241128711_Bipolar_
> 25. https://books.google.com/books?id=rfHWHeU0jfsC&pg=SA40-PA19&lpg=SA40-PA19&dq=Complementary+Transistor+Logic+(CTL)&source=bl&ots=OPgyteRBmB&sig=P0rI_hhyueYSc4Blha7KWYQJmgs&hl=en&sa=X&ved=0CCkQ6AEwA2oVChMI1IXm556gxwIV0yuICh3yUgBF
> 26. https://books.google.com/books?isbn=159126166X
> 27. https://www.google.com/search?biw=784&bih=435&tbm=bks&q=inauthor:%22John+A.+Camara,+PE%22&sa=X&ved=0CCoQ9AgwA2oVChMI1IXm556gxwIV0yuICh3yUgBF
> 28. https://books.google.com/books?id=Yk8vBQAAQBAJ&pg=PA30&lpg=PA30&dq=Complementary+Transistor+Logic+(CTL)&source=bl&ots=m5lxsLqExP&sig=RFidl2uytf8Rc-M_oMMkABokKb0&hl=en&sa=X&ved=0CCwQ6AEwBGoVChMI1IXm556gxwIV0yuICh3yUgBF
> 29. https://books.google.com/books?isbn=1483292800
> 30. https://www.google.com/search?biw=784&bih=435&tbm=bks&q=inauthor:%22E.+A.+Parr%22&sa=X&ved=0CC0Q9AgwBGoVChMI1IXm556gxwIV0yuICh3yUgBF
> 31. http://www.allacronyms.com/CTL/Complementary_Transistor_Logic
> 32. http://www.allacronyms.com/
> 33. http://webcache.googleusercontent.com/search?q=cache:fBahPMMNobMJ:www.allacronyms.com/CTL/Complementary_Transistor_Logic+&cd=6&hl=en&ct=clnk&gl=us
> 34. https://books.google.com/books?id=D-wpTrnMm3YC&pg=SA27-PA19&lpg=SA27-PA19&dq=Complementary+Transistor+Logic+(CTL)&source=bl&ots=xol_aH8tq-&sig=gj3_3FUo-dupzjUPJ34ANIEV5kM&hl=en&sa=X&ved=0CDQQ6AEwBmoVChMI1IXm556gxwIV0yuICh3yUgBF
> 35. https://books.google.com/books?isbn=1591261708
> 36. https://www.google.com/search?biw=784&bih=435&tbm=bks&q=inauthor:%22John+A.+Camara,+PE%22&sa=X&ved=0CDUQ9AgwBmoVChMI1IXm556gxwIV0yuICh3yUgBF
> 37. https://books.google.com/books?id=pgDj-5RiekIC&pg=PT1635&lpg=PT1635&dq=Complementary+Transistor+Logic+(CTL)&source=bl&ots=7OGbyt0m3M&sig=PPk9O2cWp1jsrXXEkrbBZ8V4lUc&hl=en&sa=X&ved=0CDcQ6AEwB2oVChMI1IXm556gxwIV0yuICh3yUgBF
> 38. https://books.google.com/books?isbn=1591263581
> 39. https://www.google.com/search?biw=784&bih=435&tbm=bks&q=inauthor:%22Michael+R.+Lindeburg,+PE%22&sa=X&ved=0CDgQ9AgwB2oVChMI1IXm556gxwIV0yuICh3yUgBF
> 40. https://books.google.com/books?id=mwkApRCi-qAC&pg=PA67&lpg=PA67&dq=Complementary+Transistor+Logic+(CTL)&source=bl&ots=KwRNtV0fBn&sig=xDmFh8YjukEBC9rhqHQ1pvFOF_8&hl=en&sa=X&ved=0CDoQ6AEwCGoVChMI1IXm556gxwIV0yuICh3yUgBF
> 41. https://books.google.com/books?isbn=8120333551
> 42. https://www.google.com/search?biw=784&bih=435&tbm=bks&q=inauthor:%22D.+PATRANABIS%22&sa=X&ved=0CDsQ9AgwCGoVChMI1IXm556gxwIV0yuICh3yUgBF
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