RT0301 COMCHIP | Alldatasheet
Document overview
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Technical content
Features
Low Operator Voltage 3V ~ 4.5V Auto Power down function CMOS process On-Chip RC oscillator Low stand by current at 1 uA 8-Pin DIP or chip form available
Electrical Characteristics
2000.04.11 Pin Diagram Symbol Pin Description Pin I/O TG Trigger Single Input 1 I E1 "Ding" Freq 2 O "Dong" FreqE2 GND Ground Frequency put Sound output Frequency In Power Source Input SOUT OSCO OSCI Vcc I O O Characteristics Symbol Min. Typ. Max. Unit Vcc Iop Isb Ioc Fop Temp 0.1 4.5 0.5 V mA uA mA KHz Vcc=3V , Temp.=25 O I I Operating Voltage Operating Current Quiescent Current SOUT Driving Current Oscillator Freq Operating Temp Remarks No Load @VDS=1V External 30%, R OSC =430K P/N TIMES RT0301 1 RT0302 2 TG GND VCC OSCI SOUT OSCO RT0301/RT0302
** Function Description: When TG PIN’s signal changed from low to high, the RT0301/RT0302 will present Ding-Dong sound from Sout PIN. The waveform will be listed below : z RT0301: z RT0302: TG Sout DING DONG TG Sout DING DONG DING DONG TG Sout DING DONG DING DONG DING DONG TG Sout DING DONG DING DONG DING DONG
** Envelope waveform: The envelope waveform of DING is controlled by E1’s R.C. circuit. The envelope waveform of DING is controlled by E2’s R.C. circuit. DING: DONG: T G V D D E 1 O S C I E2 OSCO VSS Sout T G V D D E 1 O S C I E2 OSCO VSS Sout RC RC
8L P-DIP (300 mil ) Dimension: S y m b o l D i m e n s i o n i n i n c h D i m e n s i o n i n m m Min Typ Max Min Typ Max a 0 - 1 5 0 - 1 5 NOTE: 1. Controlling dimension : Inch 2. General appearance spec. should be based on final visual inspection spec.