{"product_id":"154668","title":"SN76477N","description":"\u003cp\u003eCOMPLEX SOUND GENERATOR W\/ INSTRUCTIONS - The SN76477N is a vintage \"Complex Sound Generator\" integrated circuit produced by Texas Instruments, first released in 1978. It is a monolithic chip that combines both analog (bipolar) and digital circuitry to generate a wide variety of sounds, most famously known for producing the UFO sound in the arcade game Space Invaders - Internal Components: It includes a noise generator, a voltage-controlled oscillator (VCO), a super-low-frequency oscillator (SLF), a mixer, and an envelope generator.\n\u003cbr\u003eProgramming: Users program the chip by selecting external resistors and capacitors to control the frequency, decay, and attack periods of the audio signal.\n\u003cbr\u003ePackage Type: The SN76477N is housed in a standard 28-pin DIP (dual in-line package) with 0.6-inch row spacing.\n\u003cbr\u003eOperating Voltage: It can operate from a 5V regulated supply or a 7.5V to 10V supply using its built-in voltage regulator - The SN76477N was widely used in the late 1970s and early 1980s for entertainment and industrial applications. \n\u003cbr\u003eArcade Games: Beyond Space Invaders, it was used in titles like Stratovox, Vanguard, and Sheriff.\n\u003cbr\u003eToys and Synthesizers: It appeared in the Gakken EX-System synthesizer and was sold by Radio Shack as an experimenter's component for DIY projects.\n\u003cbr\u003eHobbyist Use: Today, it is popular among retro enthusiasts for building simple analog synthesizers and \"busy boxes\" for sound effects\u003c\/p\u003e","brand":"TI","offers":[{"title":"Default Title","offer_id":45126543540277,"sku":null,"price":15.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0219\/7936\/5440\/files\/AP1GczPenc5MebtpHqZ9IeLZm6pZiZbubiequgsAo3GHAd0rtDRX1mpfR5Xf4sggmK-cYvxMxaJRuRLG2MoKaUXg7XYlQ1xM7peZflz9Kucbh2NJ2Jgfr4GkoQDk0XdimYn0vI60EIJTcZFzyo7SP2WnEchqtg_w1928-h1928-s-no-gm.jpg?v=1776646308","url":"https:\/\/greenbrookonline.com\/products\/154668","provider":"Green Brook Online","version":"1.0","type":"link"}