HT2844S datasheet(1/18 Pages) HOLTEK

tên linh kiện	HT2844S

Giải thích chi tiết về linh kiện	4-Sound Generator

PDF	18 Pages

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nhà sản xuất	HOLTEK [Holtek Semiconductor Inc]

Trang chủ	http://www.holtek.com

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HT2844

4-Sound Generator

Pin Assignment

Pad Assignment

Chip size: 81

× 67 (mil)2

* The IC substrate should be connected to VDD

in the PCB layout artwork.

Features

•

Single power supply: 2.4V~3.3V

•

Low standby current: 1

µA (Typ.)

at VDD= 3V

•

Auto power-off function

•

Eight different sound sections

•

Speaker or direct piezo application

•

LED flash drive output

•

Minimal external components

General Description

The HT2844 is a CMOS LSI chip designed for

use in sound effect products. It is equipped with

tone circuit, noise circuit, and other control

logic to generate various sounds including rifle

fire, machine gun, booming, door bell, Alarm,

and so forth. Customer’s supplied sound source

can be analyzed and programmed into an inter-

nal ROM by changing a mask layer during de-

vice fabrication. The HT2844 is suitable for

various toy applications.

1

11th July ’97

Số phần tương tự - HT2844S

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