CF1156 Datasheet PDF - Nippon Precision Circuits CMOS melody LSIs with built-in LED driver Specs

CF1156 - CMOS melody LSIs with built-in LED driver

Datasheet Summary

Description

Name OSH, LH LO BO VDD VSS T1, T2, TC TO Function Melody mode control inputs.

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

The resistance of the pull-down resistor varies with the applied voltage, as described in the Electrical Characteristics.

Features

I I I I I I LED direct drive Requires few external components 2.0 to 3.6V wide operating voltage range Low power consumption 3 melody modes (bonding option) Oscillator stop function in non-play mode I I I I I I Power saving pull-down resistor built-in RC oscillator circuit Power-ON initialization function 2 VSS pad connections Wide pitch dynamic range (G3 to D7) Chip form PAD LAYOUT and.

Datasheet Details

Part number	CF1156
Manufacturer	Nippon Precision Circuits
File Size	268.43 KB
Description	CMOS melody LSIs with built-in LED driver
Datasheet	CF1156 Datasheet
Additional preview pages of the CF1156 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com CF1156 series Melody LSIs OVERVIEW The CF1156 series are CMOS melody LSIs with built-in LED driver 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 I I I I I I LED direct drive Requires few external components 2.0 to 3.

Published: Aug 15, 2006 |