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SE555DR

Timer, Oscillator & Pulse Generator, 100kHz, 4.5V to 18V, SOIC-8

TEXAS INSTRUMENTS SE555DR
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Manufacturer Part No:
SE555DR
Order Code:
3121201

Product Overview

The SE555DR is a Precision Timer capable of producing accurate time delays or oscillation. In the time-delay or mono-stable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the a-stable mode of operation, the frequency and duty cycle 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 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. If the trigger input is above the trigger level and the threshold input is above the threshold level, the flip-flop is reset and the output is low. The reset (RESET) input can override all other inputs and can be used to initiate a new timing cycle. When RESET goes low, the flip-flop is reset and the output goes low.
  • Timing from microseconds to hours
  • Astable or monostable operation
  • Adjustable duty cycle
  • TTL-compatible output can sink or source up to 200mA
  • Compliant to MIL-PRF-38535
  • Green product and no Sb/Br

Applications

Clock & Timing

Product Information

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:
100kHz

:
4.5V

:
18V

:
SOIC

:
8Pins

:
-55°C

:
125°C

:
-

:
MSL 1 - Unlimited

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Technical Documents (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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