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2. List of 7400-series integrated circuits - Wikipedia

   en.wikipedia.org/wiki/List_of_7400-series...

   BCD to binary converter open-collector 16 SN74184: 74x185 1 6-bit binary to BCD converter open-collector 16 SN74185A: 74x186 1 512-bit ROM (64x8) open-collector 24 SN74186: 74x187 1 1024-bit ROM (256x4) open-collector 16 SN74187: 74x188 1 256-bit PROM (32x8) open-collector 16 SN74S188: 74x189 1 64-bit RAM (16x4), 4 data inputs, 4 inverted data ...

3. 7400-series integrated circuits - Wikipedia

   en.wikipedia.org/wiki/7400-series_integrated...

   The Soviet Union started manufacturing TTL ICs with 7400-series pinout in the late 1960s and early 1970s, such as the K155ЛA3, which was pin-compatible with the 7400 part available in the United States, except for using a metric spacing of 2.5 mm between pins instead of the 0.1 inches (2.54 mm) pin-to-pin spacing used in the west. [107]

4. AND-OR-invert - Wikipedia

   en.wikipedia.org/wiki/AND-OR-Invert

   AND-OR-invert (AOI) logic and AOI gates are two-level compound (or complex) logic functions constructed from the combination of one or more AND gates followed by a NOR gate (equivalent to an OR gate through an Inverter gate, which is the "OI" part of "AOI").

5. Inverter (logic gate) - Wikipedia

   en.wikipedia.org/wiki/Inverter_(logic_gate)

   Because it has only one input, it is a unary operation and has the simplest type of truth table. It is also called the complement gate [2] because it produces the ones' complement of a binary number, swapping 0s and 1s. The NOT gate is one of three basic logic gates from which any Boolean circuit may be built up.

6. Template:2-ary truth table/doc - Wikipedia

   en.wikipedia.org/wiki/Template:2-ary_truth_table/doc

   This is a documentation subpage for Template:2-ary truth table. It may contain usage information, categories and other content that is not part of the original template page. This template uses Lua :

7. 74181 - Wikipedia

   en.wikipedia.org/wiki/74181

   The 74181 is a 7400 series medium-scale integration (MSI) TTL integrated circuit, containing the equivalent of 75 logic gates [3] and most commonly packaged as a 24-pin DIP. The 4-bit wide ALU can perform all the traditional add / subtract / decrement operations with or without carry, as well as AND / NAND, OR / NOR, XOR , and shift .