![]() ![]() Even after Very-Large-Scale Integration (VLSI) CMOS integrated circuit microprocessors made multiple-chip processors obsolete, TTL devices still found extensive use as glue logic interfacing between more densely integrated components. TTL became the foundation of computers and other digital electronics. Some TTL chips are now also made in surface-mount technology packages. Can you please explain me this Thanks a lot. Why is that so I read a book and it says that the current flowing will increase and also the output will not stay low if one of the outputs of the totem pole is low. TTL devices were originally made in ceramic and plastic dual in-line package(s) and in flat-pack form. In totem pole output wired-logic connection is not allowed. Variations of the original TTL circuit design offered higher speed or lower power dissipation to allow design optimization. TTL manufacturers offered a wide range of logic gates, flip-flops, counters, and other circuits. ![]() The 7400 series by Texas Instruments became particularly popular. Īfter their introduction in integrated circuit form in 1963 by Sylvania Electric Products, TTL integrated circuits were manufactured by several semiconductor companies. TTL integrated circuits (ICs) were widely used in applications such as computers, industrial controls, test equipment and instrumentation, consumer electronics, and synthesizers. ![]()
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