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Some manufacturers released some 4000-series equivalent CMOS circuits with a 74 prefix, for example, the 74HC4066 [2] was a replacement for the 4066 with slightly different electrical characteristics (different power-supply voltage ratings, higher frequency capabilities, lower "on" resistances in analog switches, etc.).
Although the 7400 series was the first de facto industry standard TTL logic family (i.e. second-sourced by several semiconductor companies), there were earlier TTL logic families such as: Sylvania Universal High-level Logic in 1963 [8] [9] [10] Motorola MC4000 MTTL [11] [12] [13] National Semiconductor DM8000 [14] [better source needed]
HCMOS ("high-speed CMOS") is the set of specifications for electrical ratings and characteristics, forming the 74HC00 family, a part of the 7400 series of integrated circuits. [ 1 ] The 74HC00 family followed, and improved upon, the 74C00 series (which provided an alternative CMOS logic family to the 4000 series but retained the part number ...
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. Many ...
The meaning of the code on 74 and 54 Series ICs . Català: El significat del codi als circuits integrats de les sèries 74 i 54. Date: 30 June 2005: ... English. Add ...
Ever Ready No. 8: 2R10: 6135-26-050-3959 [72] 6135-17-703-2958 [73] 6135-14-305-9243 [74] 3: 21.8 × 74.6 Internally contains two 1.5 V cells hence the nickname 'Duplex'. Is sometimes erroneously marketed as a "B" cell battery due to the similar size. In Switzerland as of 2008, 2R10 batteries accounted for 0.003% of primary battery sales. [75 ...
The 1973–74 daytime network television schedule for the three major English-language commercial broadcast networks in the United States covers the weekday and weekend daytime hours from September 1973 to August 1974. All times are Eastern and Pacific.
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