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A very early CD4029A counter IC, in 16-pin ceramic dual in-line package (DIP-16), manufactured by RCA Colorized IC die and schematics of CD4011BE NAND gateThe 4000 series was introduced as the CD4000 COS/MOS series in 1968 by RCA [1] as a lower power and more versatile alternative to the 7400 series of transistor-transistor logic (TTL) chips.
The following is a list of CMOS 4000-series digital logic integrated circuits.In 1968, the original 4000-series was introduced by RCA.Although more recent parts are considerably faster, the 4000 devices operate over a wide power supply range (3V to 18V recommended range for "B" series) and are well suited to unregulated battery powered applications and interfacing with sensitive analogue ...
A logic family of monolithic digital integrated circuit devices is a group of electronic logic gates constructed using one of several different designs, usually with compatible logic levels and power supply characteristics within a family. Many logic families were produced as individual components, each containing one or a few related basic ...
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.).
Logic Gates 2 Dual adjustable schmitt trigger inputs, each with buffer and inverter outputs, and XOR output 4584 [4] Logic Gates 6 Hex inverter gate, schmitt trigger inputs 4750 1 Frequency synthesizer: 4751 1 Universal divider 4794 [5] 1 8-stage shift-and-store register LED driver 4894 [6] 1 12-stage shift-and-store register LED driver 4938 [7] 2
Cold vs. heat for pain. With regards to the modalities of heat and cold, each works to modify the blood flow to the muscles and joints in the area applied, says Rahul Shah, ...
The 74LS family of ICs is a lower-power version of the 74S family, with slightly higher speed but lower power dissipation than the original 74 family; it became the most popular variant once it was widely available. Many 74LS ICs can be found in microcomputers and digital consumer electronics manufactured in the 1980s and early 1990s.
The Tech Guild's 600 members are in charge of the back-end systems that power the paper's extensive digital operations, working in Engineering, Product, Design, Data and the project management office.