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| UTC UM66TXXL MELODY INTEGRATED CIRCUIT DESCRIPTION LINEAR INTEGRATED CIRCUIT The UTC UM66TXXL series are CMOS LSI designed for using in door bell, telephone and toy application. It is an on-chip ROM programmed for musical performance. Produced by CMOS technology, the device results in very low power consumption. Since the UTC UM66TXXL series include oscillation circuits a compact melody module can be constructed with only a few additional components. 1 TO-92 FEATURES *64-Note Rom memory *1.5V ~ 4.5V power supply and low power consumption *Dynamic speaker can be driven with external NPN transistor *OSC resistor hold mode *Power on reset: melody begins from the first note *Built in level hold mode 1: VSS 2: VDD 3: O/P(Melody output) ORDERING INFORMATION UTC UM66T X X L LEVEL HOLD Mode Song series SONG SERIES LIST P/N UTC UM66T05L UTC UM66T19L UTC UM66T32L SONG NAME Home sweet home For Alice COO COO waltz UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R501-001,B UTC UM66TXXL PARAMETER LINEAR INTEGRATED CIRCUIT (Operating temperature range applies unless otherwise specified.) ABSOLUTE MAXIMUM RATINGS SYMBOL VALUE UNIT DC supply voltage 1.5 ~ 4.5 V C Operating Ambient Temperature Range Topr -10 ~ +60 C Storage Temperature Range Tstr -55 ~ +125 Notes: Stress above those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only. Functional operations of this device at these or any other conditions above those indicated in the operational section of this specification is not implied and exposure to absolute maximum ratings conditions for extended periods may affect device reliably. ELECTRICAL CHARACTERISTICS (Vss=0V, Fosc=65536Hz, Tj=25C, unless otherwise specified) PARAMETER Operating Voltage Operating Current O/P Drive Current O/P Sink Current Frequency Deviation Deviation Per Lot Frequency Stability SYMBOL BVdd Id Io/p Io/p F/F F/F TEST CONDITIONS Vdd=1.5V O/P open Vdd=1.3V,O/P=0.8V Vdd=1.3V O/P=0.5V open Vdd=1.5V MIN 1.5 400 350 -12 10 TYP MAX 4.5 60 UNIT V A A A % % 600 450 Fosc(1.6V) - Fosc(1.3V) Fosc(1.3V) FUNCTIONAL DESCRIPTION OSCILLATOR CIRCUIT The oscillator frequency is used as a time for tone and beat generators. Its accuracy affects the quality of the music. TONE GENERATOR Tone Frequencies are oscillator frequencies-M, where m is any even number from 64 to 256. Within a melody 14C scales can be selected including Pause code and End code. The tone generator is a programmed divider, The Range of Scales is from "C4" to "C6" and range of frequency varies from 258Hz to 23768Hz. RHYTHM GENERATOR The rhythm generator is also programmed dividers. It contain 15 available rhythms as follows:1/4,1/2,3/4,1,1-1/4,1-1/2,1-/3/4,2,2-1/4,2-1/2,2-/3/4,3,3-1/4,3-1/2,3-/3/4.Four rhythms can be selected from these. MELODY ROM The Mask Rom can memorize 64 notes with 6 bit.4 bits are used for controlling the scale code and 2 bits are used for controlling the rhythm code. TEMPO GENERATOR There are 15 available tempos in the UTC UM66T series. The 15 tempos are:128,137,148,160,175,192,213, 240 , 274, 320,480,640,960,1920 J/minute. UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R501-001,B UTC UM66TXXL APPLICATION CIRCUITS LINEAR INTEGRATED CIRCUIT Fig.1 Fig.2 UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R501-001,B UTC UM66TXXL DIMENSION (TO-92) LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R501-001,B |
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