Datasheet > ELM410P

ELM410P

更新时间： 2024-11-23 04:17:19

品牌	Logo	应用领域
ELM		/
页数	文件大小	规格书
4页	28K
描述
Triple Debounce Circuit

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ELM410P 数据手册

ELM410

Triple Debounce Circuit

Description

Features

The ELM410 provides all of the necessary

circuitry to connect as many as three independent

mechanical contacts to an electronic circuit.

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

• Wide supply range - 3.0 to 5.5 volt operation

• Simultaneous monitoring of three circuits

All mechanical contacts, whether from switches,

relays, etc. will have inherent ‘bounce’ when they

make or break a connection. Depending on the type

of switch, this fluctuation can be quite pronounced,

often being interpreted as multiple inputs by high

speed digital circuits.

• Full 25msec debounce period on contact closure

and opening, without external components

• Internal pullup resistors for contact monitoring

• High current drive outputs - up to 25 mA

• Can be cascaded to provide sequential outputs

This circuit provides all of the logic required to

remove the bounce from most mechanical sources,

without the use of additional components. As well,

internal pull-up resistors have been provided so that

the switch inputs can be directly connected to the 8

pin package.

Connection Diagram

PDIP and SOIC

(top view)

The ELM410 provides three separate inverters

which follow the input directly. No latching or

‘memory action’ is provided, as it is in the case of

the ELM411.

VDD

Out1

Out2

In3

VSS

In1

In2

Applications

Out3

• Pushbutton interface for logic circuits

• Limit switch monitoring

• Time delay generation

Block Diagram

VDD

Debounce

Timers

Out1

In1

VDD

Debounce

Timers

Out2

In2

VDD

Debounce

Timers

In3

Out3

ELM410DSB

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