LOW POWER SOUND EFFECT CHIP 低功耗聲效芯片 VM89 ----------------------------------------------------------------------------------------------------------------------------------特點 1.0 FEATURES Low standby power dissipation 靜態功耗低 Up to 32 programmable notes per sound 每聲效多達 32 個可編程式音符 Eight selectable sounds with sequential selection 可選擇順序編排 8 個選擇聲效 Minimum external components 外接零件少 2.0 ELECTRICAL CHARACTERISTICS 電特性 VDD = 3V, Fosc = 140 KHz, TA = 25 ℃ (unless otherwise specified 特別註明除外) LIMITS SYMBOL TEST CONDITIONS MIN TYP MAX Operating Voltage 工作電壓 VDD - 2.5 3.0 3.3 V Standby Current 靜態電流 IDD - - - 2.5 µA Output Voltage High 輸出高電壓 VOH - - 0.5 V Output Voltage Low 輸出低電壓 VOL 2.2 - - V PARAMETER VDD=3V, IOH=3mA VDD=3V, IOL= -3mA VDD Rosc 2 1 VDD VSS 3 TEST 10 TEST 1 9 8 TEST 3 OSC 2 4 OUT OSC 1 7 5 OUT TRIG 6 VDD VDD = 3.0 V R Rosc = 120 KΩ R = 100 Ω 3.0 APPLICATON INFORMATION 應用資料 The IC substrate should be connected to VDD. 芯片襯底請接VDD。 UNIT