Introduced in the early 1960s by Texas Instruments for the first bipolar transistor-based TTL chips, the numbers are widely used by all manufacturers. CMOS versions of the 7400 series subsequently ...
Texas Instruments’ 5400 and 7400 TTL quad 2-input NAND gate has ... point that unintended analogue properties in the 4000 series chips became popular in the world of experimental synthesisers ...
The first commercially produced TTL micrologic chips were Sylvania ... Prefixes of Eastern European 7400 series logic chips. Even more confusingly, logic chips designated for export would ...
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