10pc NE555 DIL 8 PIN

Texas Instruments

10.2330.0004-010

New product

3 Items

3,66 € tax incl.

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NE555 Precision Timers


Description

These devices are precision timing circuits capable of producingaccurate time delays or oscillation. In the time-delay or monostablemode of operation, the timed interval is controlled by a singleexternal resistor and capacitor network. In the astable mode ofoperation, the frequency and duty cycle can be controlled independentlywith two external resistors and a single external capacitor.

The threshold and trigger levels normally are two-thirds and one-third,respectively, of VCC. These levels can be altered by use of thecontrol-voltage terminal. When the trigger input falls below thetrigger level, the flip-flop is set, and the output goes high. If thetrigger input is above the trigger level and the threshold input isabove the threshold level, the flip-flop is reset and the output islow. The reset (RESET) input can override all other inputs and can beused to initiate a new timing cycle. When RESET goes low, the flip-flopis reset, and the output goes low. When the output is low, alow-impedance path is provided between discharge (DISCH) and ground.

The output circuit is capable of sinking or sourcing current up to 200mA. Operation is specified for supplies of 5 V to 15 V. With a 5-Vsupply, output levels are compatible with TTL inputs.

Features

  • Timing From Microseconds to Hours
  • Astable or Monostable Operation
  • Adjustable Duty Cycle
  • TTL-Compatible Output Can Sink or Source up to 200 mA

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10pc NE555 DIL 8 PIN