CF1155 - Melody LSIs

Datasheet Summary

Description

Name OSH, LH O U T, O U T VDD VSS T1, T2, T C TO Function Melody mode control inputs.

Built-in pull-down resistors mean LOW -level signals are obtained when inputs are open circuit.

Features

s s s s s s Requires few external components 1.2 to 3.6V wide operating voltage range Low power consumption 3 melody modes (bonding option) Oscillator stop function in non-play mode Power saving pull-down resistor built-in s s s s s RC oscillator circuit Power-ON initialization function 2 VSS pad connections Wide pitch dynamic range (G3 to D7) Chip form PAD LAYOUT and.

Nippon Precision Circuits Inc

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Datasheet Details

Part number	CF1155
Manufacturer	Nippon Precision Circuits Inc
File Size	65.00 KB
Description	Melody LSIs
Datasheet	CF1155 Datasheet
Additional preview pages of the CF1155 datasheet.

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Full PDF Text Transcription

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CF1155 series NIPPON PRECISION CIRCUITS INC. Melody LSIs OVERVIEW The CF1155 series are CMOS melody LSIs that, together with a battery and piezoelectric buzzer, operate in one of 3 melody modes determined by input level or bonding options. They also feature an oscillator stop function in non-play mode and a variable pull-down resistance function that responds to input levels in order to reduce power consumption, reduce cost, and extend battery life, making them ideal in a wide range of applications including greeting cards and toys. FEATURES s s s s s s Requires few external components 1.2 to 3.

Published: Mar 23, 2005 |