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| UTC UM66TXXL MELODY INTEGRATED CIRCUIT DESCRIPTION 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. CMOS IC 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 UM66T11L UTC UM66T19L UTC UM66T32L SONG NAME Home Sweet Home Love Me Tender For Alice COO COO waltz UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R501-001,D UTC UM66TXXL ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL VALUE CMOS IC (Operating temperature range applies unless otherwise specified.) UNIT DC supply voltage 1.5 ~ 4.5 V Operating Ambient Temperature Range Topr -10 ~ +60 C Storage Temperature Range Tstr -55 ~ +125 C 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=1.5V,O/P=0.8V Vdd=1.5V O/P=0.5V open Vdd=1.5V MIN 1.5 400 350 TYP MAX 4.5 60 UNIT V A A A % % 600 450 -12 10 Fosc(1.6V) - Fosc(1.5V) Fosc(1.5V) 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,D UTC UM66TXXL APPLICATION CIRCUITS CMOS IC Fig.1 Fig.2 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R501-001,D |
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