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| HT2830 Up/Down Tone Generator Features * * * * Single power supply: 2.4V~3.3V Low standby current: 1A (Typ.) at VDD=3V Speaker or direct piezo application Sound output: one Main Tone plus two Fighting Sounds (1,2) * * * Two direct LED drive outputs (The flash rate depends on the sound speed) Option mode selection: normal mode or auto mode (bonding option) Minimum external components General Description The HT2830 is a CMOS LSI chip designed for use in sound effect products. It is a body structure including tone circuit, noise circuit, an updown counter, and other control logic to generate various sounds such as JET plane, motorcycle, helicopter, train, and so forth. Features from the customer's sound samples can be analyzed and programmed into an internal ROM by changing a mask layer during device fabrication. The HT2830 is suitable for various toy applications. Pin Assignment 1 9th July '97 HT2830 Block Diagram Pad Assignment Chip size: 97 x 107 (mil)2 * The IC substrate should be connected to VDD in the PCB layout artwork. 2 9th July '97 HT2830 Pad Coordinates Pad No. 1 2 3 4 5 6 7 8 9 10 11 Unit: mil X -36.13 -36.13 -36.13 -36.13 -36.13 -29.70 -23.24 -13.35 13.46 20.66 27.18 Y 24.57 16.62 -26.09 -33.96 -40.46 -40.46 -40.46 -40.46 -40.46 -40.46 -40.46 Pad No. 12 13 14 15 16 17 18 19 20 21 X 36.01 36.01 36.01 36.01 36.01 36.01 -0.58 -20.13 -28.24 -36.25 Y -40.46 -33.96 -20.66 -0.88 24.24 40.46 40.46 40.46 40.46 40.46 Pad Description Pad No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Pad Name SWAB SWB SWUP SWDN VSS OPT1 TEST6 SWA TEST5 OPT2 VDD TEST3 LED1 LED2 OUT OUT TEST1 OSC2 OSC1 I/O I I I I -- I I I I I -- O O O O O O O I Description Fighting sound 1/2 toggle input, low active Fighting sound 2 input, low active Main tone up input, low active Main tone down input, low active Negative power supply, GND Main tone option For IC test only Fighting sound 1 input, low active For IC test only Normal mode/auto mode option Positive power supply For IC test only LED flash output LED flash output Sound output Sound output, out of phase to pad 15 For IC test only Oscillator output Oscillator input 3 9th July '97 HT2830 Pad No. 20 21 (1) OPT1: (2) OPT2: Pad Name TEST2 TEST4 Bond pad 5 Bond pad 6 I/O O I For IC test only For IC test only Description Main Tone 1 Main Tone 2 Auto Mode Normal Mode Bond pad 10 Bond Pad 11 Absolute Maximum Ratings* Supply Voltage ................................. -0.3V to 5V Input Voltage..................VSS-0.3V to VDD+0.3V Storage Temperature................. -50C to 125C Operating Temperature................... 0C to 70C *Note: Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damageto the device. These are stress ratings only. Functional operation of this device at these or any other conditions above those indicated in the operational sections of this specification is not implied and exposure to absolute maximum rating conditions for extended periods may affect device reliability. Electrical Characteristics Symbol VDD ISTB IDD IOH IOL1 IOL2 IOL3 VIH VOL FOSC (Ta=25C) Parameter Operating Voltage Standby Current Operating Current OUT Source Current OUT Sink Current LED1 Sink Current LED2 Sink Current "H" Input Voltage "L" Input Voltage Oscillator Frequency Test Conditions VDD -- 3V 3V 3V 3V 3V 3V 3V 3V -- Min. 2.4 -- -- -2 0.7 -8 -8 2.4 -- -- Typ. 3 1 -- -- -- -- -- -- -- 256 Max. 3.3 5 150 -- -- -- -- -- 0.6 -- Unit V A A Conditions -- -- No load VOH=2.5V VOL=0.5V VOL=1V VOL=1V -- -- ROSC=62k mA mA mA mA V V kHz 4 9th July '97 HT2830 Timing Diagram & Application Circuit * Normal mode (1) 5 9th July '97 HT2830 * Normal mode (2) 6 9th July '97 HT2830 * Normal mode (3) 7 9th July '97 HT2830 * Auto mode (1) 8 9th July '97 HT2830 * Auto mode (2) 9 9th July '97 HT2830 Application Circuit (HT2830A -- Jet Plane & Motorcycle) * Jet plane sound: Normal mode (1) Example 10 9th July '97 HT2830 * Motorcycle sound: Normal mode (1) Example 11 9th July '97 HT2830 Application Circuit (HT2830B -- Helicopter Sound) 12 9th July '97 HT2830 Application Circuit (HT2830C -- Train Sound) 13 9th July '97 HT2830 Application Circuit (HT2830D -- Jet Plane & Motorcycle) * Jet plane sound: Normal mode (1) Example 14 9th July '97 HT2830 * Motorcycle sound: Normal mode (1) Example 15 9th July '97 |
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