NE555 データシートの表示（PDF） - Diodes Incorporated.

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NE555

PRECISION TIMERS

Diodes Incorporated. 

NE555/SA555/NA555

PRECISION TIMERS

Typical Applications Characteristics (cont.)

Sequential Timer

Many applications, such as computers, require signals for initializing conditions during start-up. Other applications, such as

test equipment, require activation of test signals in sequence. These timing circuits can be connected to provide such

sequential control. The timers can be used in various combinations of astable or monostable circuit connections, with or

without modulation, for extremely flexible waveform control. Figure 14 shows a sequencer circuit with possible applications in

many systems, and Figure 15 shows the output waveforms.

Fig 14. Circuit for Sequential Timer

Fig 15. Sequential timer waveforms

NE555/SA555/NA555

Document number: DS35112 Rev. 4 - 2

11 of 14

www.diodes.com

February 2012

© Diodes Incorporated

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