TAIPEI : TEL : FAX : H.K. : TEL : FAX : 一華半導體股份有限公司 MOSDESIGN SEMICONDUCTOR CORP. 886-2- 22783733 886-2- 22783633 852- 27569109 852- 27566961 MELODY .. .. .. 电源控制 128 音符双音 IC VDD CONTROL DUAL TONE M994A FEATURES 功能叙述 P/N M994A-05 M994A-19 M994A-68 M994A-69 M994A-LB • Dual tone 128 notes. • OL：Switch of one octave lower output. • Tempo adj.：Rosc Ext. / Built-in available. . . .. SONG LIST SWEET HOME FOR ALICE SMALL WORLD ( 18 Sec ) SMALL WORLD ( 14 Sec ) LOVE BLUE • Package：TO92-3L，DIP 16L or CHIP form. APPLICATION 产品应用 • Telephone, EPABX, Toys etc.. ELECTRICAL CHARACTERISTICS 电气规格 电气规格 Characteristics 工作电压 Operating Voltage Sym. VDD 工作电流 Operating Current Min. ( @VDD=3V unless otherwise specified ) ─ Typ. 3 Max. 3.5 Unit V IOP ─ 0.4 0.7 mA No load 静态电流 Quiescent Current 推动电流 BZ Driving Current ISB ─ 0.4 ─ 0.7 ─ IO ─ μA mA @ VDS=1V 推动电流 LED Driving Current 振荡频率 Oscillator Frequency IOL 6 6 ─ mA @ VDS=1.2V FOSC 250 ±30% TOL. Temp. ─ 60 KHz 工作温度 Operating Temperature ─ 0 25 REMARKS ℃ APPLICATION DIAGRAM 参考电路图 VDD M994AP TO92-3L X OL VSS VDD 1 16 Y VDD OL BZ BB VDD VSS OUT VDD LO Rosc VDD Y BZ VSS X BB M994A 2 1.48 x 1.69mm 底=VDD LO ORDERING INFORMATION 8 M994AX-XXLR Rosc Ext. (default Int.) One octave low. (default Normal) Song Name Package T – TO92-3L P – DIP – CHIP *All specs and applications shown above subject to change without prior notice. ( 以上电路及规格仅供参考,本公司得径行修正 ) 1/1 2004-06-01 9