詳細(xì)信息
一、功能敘述 (FEATURES)
◇四種聲音可供選擇 (4 sounds can be selected)
◇外接 NPN 晶體管驅(qū)動(dòng)揚(yáng)聲器 (Speaker can be drive by connecting NPN transistor)
◇低功耗 (Low power consumption)
◇上電復(fù)位功能 (Power-on reset)
◇外接調(diào)頻電阻，振蕩頻率典型值為 100KHz (Adjusted external resistor , Fosc type value 100KHz)
二、產(chǎn)品應(yīng)用 (APPLICATION)
各種警報(bào)裝置和玩具 (All kinds of siren devices and toys)