M3731

MOSDESIGN SEMICONDUCTOR CORP. TAIPEI : TEL : FAX : H.K. : TEL : FAX : 886-2- 22783733 886-2- 22783633 852- 27569109 852- 27566961 SIREN 4 SIRENS & MACHINE GUN 2 LEDS BLINKING FEATURES One-shot / Level-hold option. 2 LEDS BLINKING. PS : Sequence input key. MOTOR : Active High. 4 IC KEY K1 K2 K3 K4 PS LED MOTOR SOUND LIST FIRE ENGINE SIREN AMBULANCE SIREN POLICE SIREN MACHINE GUN SEQUENCE KEY ( @VDD=3V Typ. ) M3731 HORN M3731 1 Time 2 Time 2 Time 2 Time 2mA NO M3731-1 2 Time 16 Time 16 Time 2 Time 2ma NO M3731-2 1 Time 2 Time 2 Time 2 Time 6mA YES M3731-3 2 Time 16 Time 16 Time 2 Time 6mA YES APPLICATION Toys, Key chain, Alarm system, Musical instrument. ELECTRICAL CHARACTERISTICS Characteristics Operating Voltage Operating Current Quiescent Current BZ Driving Current LO Driving Current Oscillator Frequency Operating Temperature Sym. VDD IOP ISB IO IOL FOSC Temp. Min. ― ― ― 1 2 ― 0 Typ. 3 0.1 1 ― ― 100 25 Max. 4.5 0.5 5 ― ― ― 60 Unit V mA μA mA mA KHz ℃ ( @VDD=3V unless otherwise specified ) REMARKS No load @ VDS=1V @ VDS=1.2V External±30%, Rosc=180KΩ APPLICATION DIAGRAM (A) M3731/M3731-1 M3731/-1P VDD BZ BB K1 K2 K3 K4 PS K2 1 K1 LH VDD Y 18 VDD K3 K4 PS LH BB BZ VDD Y X Rosc M3731/-1 1.8 x 1.5mm2 =VDD X L2 L1 VSS L1 L2 VSS 9 10 *All specs and applications shown above subject to change without prior notice. ( ㆖, ) 1/2 2001-09-07 MOSDESIGN SEMICONDUCTOR CORP. TAIPEI : TEL : FAX : H.K. : TEL : FAX : 886-2- 22783733 886-2- 2278...