Datasheet > ELM460

ELM460

更新时间： 2024-11-23 06:56:35

品牌	Logo	应用领域
ELM		振荡器
页数	文件大小	规格书
4页	30K
描述
IMPOSSIBLE OSCILLATOR

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ELM460 数据手册

ELM460

Impossible Oscillator

Description

Features

The ELM460 is a complete astable oscillator

• Requires no external components

circuit in an 8 pin package. The circuit (impossibly!)

requires no external components to operate, as all

timing is generated internally.

• Low power CMOS design - typically 1mA at 5V

• Wide supply range - 3.0 to 5.5 volt operation

• Provides periods from 0.1 to 600 seconds

• High current drive outputs - up to 25 mA

Immediately after power-up, the ELM460 begins

to oscillate continuously at a frequency determined

by the logic levels on the configuration inputs. At the

end of every period, the circuit again reads these

configuration settings, and automatically adapts to

any changes that are made.

Two outputs are provided, an active high output

and it’s logical inverse. The circuit output is always a

50msec pulse, independent of the time period

selected.

Connection Diagram

PDIP and SOIC

(top view)

Applications

VDD

VSS

Out

• Time Base Generator

• Power Gating Controller

• LED Flasher

• Programmable Timer

Block Diagram

Base Period

Generator

Rate

Multiplier

50ms Pulse

Generator

Out

Period

1 sec

2 sec

5 sec

6 sec

M0 Multiplier

0.1

100

ELM460DSB

Elm Electronics – Circuits for the Hobbyist

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