SA555DRE4 datasheet(12/30 Pages) TI1

Part #	SA555DRE4

Description	Precision timing circuits capable of producing accurate time delays or oscillation

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Time − 0.1 ms/div

Capacitor Voltage

Output Voltage

Input Voltage

VCC = 5 V

RA = 1250 Ω

C = 0.02

µF

See Figure 9

NA555, NE555, SA555, SE555

SLFS022H – SEPTEMBER 1973 – REVISED JUNE 2010

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Frequency Divider

By adjusting the length of the timing cycle, the basic circuit of Figure 9 can be made to operate as a frequency

divider. Figure 17 shows a divide-by-three circuit that makes use of the fact that retriggering cannot occur during

the timing cycle.

Figure 17. Divide-by-Three Circuit Waveforms

12

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Product Folder Link(s): NA555 NE555 SA555 SE555

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