Datasheet > SM1124

SM1124

更新时间： 2024-09-14 22:21:43

品牌	Logo	应用领域
NPC		/
页数	文件大小	规格书
10页	93K
描述
Multimelody IC for Pagers

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SM1124 数据手册

SM1124 Series

Multimelody IC for Pagers

NIPPON PRECISION CIRCUITS INC.

OVERVIEW

PINOUT

The SM1124 Series are melody pager multi-melody

ICs fabricated in NPC’s Molybdenum-gate CMOS.

A maximum of 16 tunes can be stored in

programmable ROM, and the Molybdenum-gate

CMOS process realizes small-sized packages and

low power dissipation.

8-pin SOP

VSS

CLK

VDD

MTO

TEST

FEATURES

■ Maximum of 16 tune selections (with up to 512

steps)

■ Level hold playback mode

■ External reference clock input. The frequency can

be selected from the following 12 settings.

• Playback frequency of each song varies (8

frequencies)

PACKAGE DIMENSIONS

Unit: mm

- 32.768 kHz system: 32.768 and 65.536 kHz

- 37.5 kHz system: 37.5 and 75.0 kHz

- 38.4 kHz system: 38.4 and 76.8 kHz

- 48.0 kHz system: 48.0 and 96.0 kHz

• Playback frequency of all songs is ﬁxed (4

frequencies)

- 32.768 kHz system: 131.072 kHz

- 37.5 kHz system: 150.0 kHz

+ 0.10

0.15

5.2 0.3

− 0.05

- 38.4 kHz system: 153.6 kHz

- 48.0 kHz system: 192.0 kHz

■ 2-pin serial data tune selection

■ Power save function

■ External clock gating in non-play mode.

■ 2.4 to 3.6 V supply voltage

1.27

0.4 0.1

0.4 0.2

0.695TYP

■ 8-pin plastic SOP package

■ Molybdenum-gate CMOS process

NIPPON PRECISION CIRCUITS—1

12 3 4 5 6 7...10

中文翻译

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