LM555QML datasheet(2/16 Pages) TI1

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LM555QML

Timer

General Description

The LM555 is a highly stable device for generating accurate

time delays or oscillation. Additional terminals are provided

for triggering or resetting if desired. In the time delay mode of

operation, the time is precisely controlled by one external

resistor and capacitor. For astable operation as an oscillator,

the free running frequency and duty cycle are accurately

controlled with two external resistors and one capacitor. The

circuit may be triggered and reset on falling waveforms, and

the output circuit can source or sink up to 200mA or drive

TTL circuits.

Features

Direct replacement for SE555/NE555

Timing from microseconds through hours

Operates in both astable and monostable modes

Adjustable duty cycle

Output can source or sink 200 mA

Output and supply TTL compatible

Temperature stability better than 0.005% per ˚C

Normally on and normally off output

Applications

Precision timing

Pulse generation

Sequential timing

Time delay generation

Pulse width modulation

Pulse position modulation

Linear ramp generator

Ordering Information

NS Part Number

SMD Part Number

NS Package Number

Package Description

LM555H/883

H08A

8LD Metal Can

LM555J/883

J08A

8LD Ceramic Dip

Connection Diagrams

Dual-In-Line Package

Metal Can Package

20149803

Top View

20149833

Top View

July 2006

DS201498

LM555QML Scheda tecnica(PDF) 2 Page - Texas Instruments

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