Transistor–transistor logic (English Wikipedia)

Lancaster, D. (1975), TTL Cookbook, Indianapolis: Howard W. Sams and Co., p. preface, ISBN 0-672-21035-5
Millman, J. (1979), Microelectronics: Digital and Analog Circuits and Systems, New York: McGraw-Hill Book Company, p. 147, ISBN 0-07-042327-X
Horowitz, Paul; Hill, Winfield (1989), The Art of Electronics (2nd ed.), Cambridge University Press, p. 970, ISBN 0-521-37095-7 states, "...CMOS devices consume power proportional to their switching frequency...At their maximum operating frequency they may use more power than equivalent bipolar TTL devices."

asic-world.com

"DM7490A Decade and Binary Counter" (PDF). Fairchild. Archived (PDF) from the original on 2005-03-23. Retrieved 14 October 2016.

Eren, H. (2003), Electronic Portable Instruments: Design and Applications, CRC Press, ISBN 0-8493-1998-6
Marston, R. M. (2013). Modern TTL Circuits Manual. Elsevier. p. 16. ISBN 9781483105185. [74-series] devices are usually encapsulated in a plastic 14-pin, 16-pin, or 24-pin dual-in-line package (DIP)
Buchanan, James Edgar (1996). Signal and Power Integrity in Digital Systems: TTL, CMOS, and BiCMOS. McGraw-Hill. p. 200. ISBN 0070087342.

"1963: Standard Logic Families Introduced". Timeline. The Computer History Museum. 2007.

Wood, Lamont (8 August 2008). "Forgotten PC history: The true origins of the personal computer". Computerworld. Archived from the original on 2008-08-14.

Pittler, M. S.; Powers, D. M.; Schnabel, D. L. (1982), "System development and technology aspects of the IBM 3081 Processor Complex" (PDF), IBM Journal of Research and Development, 26 (1): 2–11, doi:10.1147/rd.261.0002, archived (PDF) from the original on 2011-06-04, p. 5.
Rymaszewski, E. J.; Walsh, J. L.; Leehan, G. W. (1981), "Semiconductor Logic Technology in IBM", IBM Journal of Research and Development, 25 (5): 603–616, doi:10.1147/rd.255.0603
Seraphim, D. P.; Feinberg, I. (1981), "Electronic Packaging Evolution in IBM", IBM Journal of Research and Development, 25 (5): 617–630, doi:10.1147/rd.255.0617

"ecelab Resources and Information". ecelab.com. Archived from the original on 19 September 2010. Retrieved 13 March 2023.

US 3283170, Buie, James L., "Coupling transistor logic and other circuits", issued 1966-11-01, assigned to TRW Semiconductors, Inc.

Ayers, J. UConn EE 215 notes for lecture 4. Harvard University faculty web page. Archive of web page from University of Connecticut. n.d. Retrieved 17 September 2008.

Pittler, M. S.; Powers, D. M.; Schnabel, D. L. (1982), "System development and technology aspects of the IBM 3081 Processor Complex" (PDF), IBM Journal of Research and Development, 26 (1): 2–11, doi:10.1147/rd.261.0002, archived (PDF) from the original on 2011-06-04, p. 5.

Transistor–Transistor Logic (TTL). siliconfareast.com. 2005. Retrieved 17 September 2008. p. 1.

"Advanced Schottky Family" (PDF). Texas Instruments. 1985. SDAA010. Archived (PDF) from the original on 2011-06-04.
SN7400 datasheet - Texas Instruments

Pittler, M. S.; Powers, D. M.; Schnabel, D. L. (1982), "System development and technology aspects of the IBM 3081 Processor Complex" (PDF), IBM Journal of Research and Development, 26 (1): 2–11, doi:10.1147/rd.261.0002, archived (PDF) from the original on 2011-06-04, p. 5.
"Advanced Schottky Family" (PDF). Texas Instruments. 1985. SDAA010. Archived (PDF) from the original on 2011-06-04.
Wood, Lamont (8 August 2008). "Forgotten PC history: The true origins of the personal computer". Computerworld. Archived from the original on 2008-08-14.
Haseloff, Eilhard. "Designing With Logic" (PDF). TI.com. Texas Instruments Incorporated. pp. 6–7. Archived (PDF) from the original on 2011-10-24. Retrieved 27 October 2018.
"DM7490A Decade and Binary Counter" (PDF). Fairchild. Archived (PDF) from the original on 2005-03-23. Retrieved 14 October 2016.
"ecelab Resources and Information". ecelab.com. Archived from the original on 19 September 2010. Retrieved 13 March 2023.

Engineering Staff (1973). The TTL Data Book for Design Engineers (1st ed.). Dallas: Texas Instruments. OCLC 6908409.