NE555

precision timing circuit, NE555P, Texas Instruments, 8-DIP, 500KHZ, 4.5 V ~ 16 V

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PartNumber:: NE555

Brand:: Texas Instruments - TI | Pack: SOP | D/C: 08+

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Products Upload time: 2012-03-09

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Part Number:NE555
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Product Summary

The NE555 is a precision timing circuit capable of producing accurate time delays or oscillation. In the time-delay 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 of the NE555 can be controlled independently with 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 of the NE555 can be altered by use of the control-voltage terminal. When the trigger input falls below the trigger level, the flip-flop is set, and the output goes high. The output circuit is capable of sinking or sourcing current up to 200 mA. Operation is specified for supplies of 5 V to 15 V. With a 5-V supply, output levels of the NE555 are compatible with TTL inputs.

Parametrics

NE555 absolute maximum ratings: (1)Supply voltage:18 V; (2)Input voltage:VCC; (3)Output current:±225 mA; (4)Package thermal impedance:85℃/W; (5)Operating virtual junction temperature:150℃; (6)Storage temperature range:–65℃ to 150℃.

Features

NE555 features: (1)Timing From Microseconds to Hours ; (2)Adjustable Duty Cycle; (3)Astable or Monostable Operation ; (4)TTL-Compatible Output Can Sink or Source up to 200 mA.