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Texas Instruments SE555P, Timer Circuit, 8-Pin PDIP

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Texas Instruments

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UnitsPer unitPer Pack*
5 - 45£0.45£2.25
50 +£0.288£1.44
*price indicative

555 Timer, Texas Instruments

A range of highly stable precision timing circuits for the generation of accurate time delays or timing pulses. These timers can be operated in monostable (one-shot) or astable (oscillator) mode with timing periods ranging from less than a microsecond to several minutes. In addition to the original bipolar version, low-power CMOS and LinCMOS variants are also available. These devices are capable of longer timing periods and offering a significant reduction in power consumption. The range includes both single (551, 555) and dual (552, 556) versions of the timer.

Timers/Timing Generators

Mounting TypeThrough Hole
Timer TypeStandard
Package TypePDIP
Number of Internal Timers1
Pin Count8
Minimum Operating Supply Voltage4.5 V
Maximum Operating Supply Voltage18 V
Minimum Operating Temperature-55 °C
Maximum Operating Temperature+125 °C
Maximum Quiescent Current12mA
Maximum Low Level Output Current200mA
Maximum High Level Output Current-200mA
Dimensions9.81 x 6.35 x 4.57mm