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555 Datasheet Precision Timer

Manufacturer: Diodes Incorporated

Overview: NEW PRODUCT NE555/SA555/NA555 PRECISION TIMERS.

General Description

These devices are precision timing circuits capable of producing accurate time delays or oscillation.

In the timedelay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network.

In the astable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor.

Key Features

  • Timing from microseconds to hours.
  • Astable or monostable operation.
  • Adjustable duty cycle.
  • TTL compatible output can source or sink up to 200mA.
  • “Green” Molding Compound (No Br, Sb).
  • Lead Free Finish/ RoHS Compliant (Note 1) Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www. diodes. com/products/lead_free. html. VCC DISCH THRES CONT NE555/SA555/NA555 Document number: DS35.

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