256 notes +led(非同步闪)

features :

l        rc oscillator with one external resistor.

l        14 temps available.

l        27 notes (including rest ) available .

l        1 sequence trigger key and 3 direct access keys.

l        power on reset , melody begins from the first note .

l        typical oscillator frequency 160khz.

l        lower power consumption.

l        15 beats available.

l        256 notes rom memory

l        2.4hz asynchronous led

l        motor o/p.

general description:

dt902k is a new type of cmos sound generator designed with sound composite system using minimum application circuit .it is dedicated to the applications such as rhythm box, toys, ect.. and is easy for you to design your consumer products.

pin configuration:

pin description:

absolute maximum ratings :

notice: stress greater than those listed under absolute maximum ratings may cause permanent damage to the device, this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied, exposure to absolute maximum rating conditions for extended period may affect reliability.

electrical characteristics

(vdd=3.0v,gnd=0v,ta=25oc,unless otherwise specified)

application circuit :

1>:3.0vapplication circuit

2>:4.5vapplication circuit

* substrate to gnd

本产品的类型是其他IC，品牌是台湾，型号是DT902K-008，用途是闪灯，封装是裸片，批号是8888