SN76477 Datasheet | Texas Instruments

description The SN76477 plex sound qenerator is a monolithic chip bining both analog (bipolar) and digital (l2L) circuirrv. lt includes a noise senerator, a voltage'controlled oscillator (VCO), and a supetrlow_Jrequency oscillator (SLF) tosether with a noise filter. mixer, attack/decay circuitry, audio amplifier, and contro L circuitry to provide noise, tone, or low Jrcquency sounds and any binations of these. Programming is acplished via control inputs and userdefined external ponents, ,vhich allows a wide vafiety of sounds to be created and tailored for particular apptications. This device may be used in a variety of applications requiring audio feedback to the operator including entedainmenr eoui Dment such as arcade or home video qames, pinbal L games, toys; consumeroriented equipment such as timers. alarms, and controk; and industial equipment for indicators' alarms, controls, etc' Operation is either from a five-volt regulated supply applied to Vres, or from a 7.5 volt to 1o-volt supplv applied to a built-in voltaqe regulator through the VCC terminal, in which case a regulated five volts is available from the Vreg terminal to power a small amount of external circuitry, or to provide a highlosic level voltage to logic inputs t More detaited information on the functions of various parts of this device is found elsewhere in thisdata sheet i. the section entitled "Operation." absolute maximum ratings at TA = 25'C (unless otherwise noled) Supply voltage, VCC Supply voltage, Vreg Inpul vol,age: any logic;npul any capacitor input Operating Jree'air temperature range Storage temperature rang€ Lead temperature 1/16 inch (1.6 mm) from case for 10 seconds 15 V 6 12V 5V o'c to 7o"c 65'c to t5o"c 260"C remended operating conditions Supply voltaqe, VCC Supply voltage, Vreg Operating f .ee-air temperature MIN NOM IIAX UNIT 10 V -10 5 25 5.5 40 'c copyrisht O rs Ta by Texas I Texas l Nsrnu MENTs TYPE SN76477 PTEX SOUil D GENERATOR electrical characteristics at Vreg...