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Since there are numerous 7400-series parts, the following groups related parts to make it easier to pick a useful part number. This section only includes combinational logic gates. For part numbers in this section, "x" is the 7400-series logic family , such as LS, ALS, HCT, AHCT, HC, AHC, LVC, ...
The second line of numbers (7645) is a date code; this chip was manufactured in the 45th week of 1976. [2] The 7400 series is a popular logic family of transistor–transistor logic (TTL) integrated circuits (ICs). [3] In 1964, Texas Instruments introduced the SN5400 series of logic chips, in a ceramic semiconductor package.
This is a list of the songs that reached number-one position in official Polish single charts in 2025: OLiA (official airplay chart), published by ZPAV; OLiS – streaming singles, published by ZPAV; Poland Songs, published by Billboard (as a part of Hits of the World)
Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2. US: Also for use in oceanic airspace unless another code is assigned by ATC. [3] 0500, 0600, 0700 US: External ARTCC subsets. (Blocks of discrete codes except that xx00 is used as a non-discrete code after all discrete codes are assigned.) [3] 1000 Canada
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Also, I listed missing numbers from 7400 to 74200, in case they exist. • Sbmeirow • Talk • 04:11, 22 July 2018 (UTC) --- Special Thanks to Drahtlos for the massive amount of work after I briefly started a cleanup effort when I added blank cells for the four new columns: Input / Output / Pins / Datasheet.
The number of available unique numbers with these mentioned formats is 1,100,000 for each two-letter powiat code, and 872,400 for each three-letter powiat code. The combinations "XYZ 1234" and "XYZ 123J" are not used, because they would lead to creation of numbers identical to these in the old system.
The 8288 is listed on page 7 (according to the page numbers on the pages - it is page 23 of the PDF) of the 1971 National Semiconductor Corporation Digital Integrated Circuits catalog. So I would say, "Hey great unwashed masses! Here is a reliable source from 1971 that specifically says 'Series 54/74 technology' and 'Series 54/74 compatible'!