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In 1972, Signetics originally released the 555 timer in DIP-8 and TO5-8 metal can packages, and the 556 timer was released in a DIP-14 package. [ 4 ] In 2006, the dual 556 timer was available in through-hole packages as DIP-14 (2.54 mm pitch), [ 21 ] and surface-mount packages as SO-14 (1.27 mm pitch) and SSOP-14 (0.65 mm pitch).
Hans R. Camenzind (Swiss Standard German: [ˈkaːməntsɪnd]; 1 January 1934 – 8 August 2012 [1]) was an electronics engineer known for designing the 555 timer IC in 1971 under contract to Signetics. [2] He was the inventor on 20 US patents.
Its engineers continued to innovate in IC technology, and remained a significant force. Around 1971, the Signetics introduced the innovative 555 timer IC, which it called "The IC Time Machine". [2] This was the first and only low-cost commercial IC timer available at the time, and soon became a best-seller.
555 BC, a year of the 6th century BC; 555 timer IC, an integrated circuit used in a variety of timer, pulse generation, and oscillator applications; Ainthu Ainthu Ainthu or Five Five Five or 555, an Indian film; Kamen Rider 555, also called Kamen Rider Faiz, a Japanese tokusatsu television series; State Express 555, a brand of cigarette
Single-chip AM radio integrated circuit from 1972. LM317: Adjustable 1.5 A positive voltage regulator (1.25 V-37 V) [8] LM13700: Two current controlled operational transconductance amplifiers (OTA), each having differential inputs and a push-pull output. LM393 No Dual Differential Comparator [9] LM358: No Low power, wide supply range dual op ...
The stepped-tone generator [49] is a circuit that utilizes a 556 dual timer IC. The controls are two potentiometers. Mims titled the circuit "Sound Synthesizer" in 1982 [50] then later called "Stepped-Tone Generator". The circuit creates sounds similar to a plucked violin. [49]
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Note: 555 timer IC#Pinout writes them exactly how I want...a fully-spelled one-word name for each pin in all caps (except GND and VCC cause those are standard abbreviations). Em3rgent0rdr 02:59, 14 July 2022 (UTC) another inconsistency that is bugging me is how sometimes the trigger pin is written without a line over it but sometimes is.