7 LED MUSICAL FLASHER 七閃燈音樂控制器 VH7 ----------------------------------------------------------------------------------------------------------------------------------特點 工作電壓(2 -5V) 無需外接零件 靜態電流低; < 1uA at VDD = 3.0V 每次觸發後, LEDs 隨音樂閃動, 1.0 FEATURES Wide range power supply (2 -5V) No external component is needed Low standby current; < 1uA at VDD = 3.0V LEDs accompanied with sound rotates at every trigger and 最後停於一個 LED 如最後停於幸運 LED 上, 會有音樂發出 直接驅動壓電蜂鳴片 only one LED is ON at last A musical song will be heard when a lucky LED is on at last PIEZO BUZZER is directly driven 2.0 ELECTRICAL CHARACTERISTICS 電特性 VDD = 3V, TA = 250C (unless otherwise specified 特別註明除外) LIMITS PARAMETER SYMBOL UNIT MIN TYP MAX Operating Voltage 工作電壓 VDD 2 3 5 Volt Standby Current 靜態電流 IST - 1 10 uA LED Sink Current LED 灌進電流 ILED 0.5 - - mA 3.0 APPLICATION INFORMATION 應用資料 VDD (3 – 5V) 4 3 2 1 14 13 L5 L6 L1 L7 L2 L3 5 12 L4 VSS OUT TEST 1 TEST 2 6 SW The IC substrate should be connected to VDD. 芯片襯底請接VDD。 7 8 OUTB 11 VDD 10 9