SA555DT datasheet(14/20 Pages) STMICROELECTRONICS

전자부품 데이터시트 검색엔진

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SA555DT 데이터시트(PDF) 14 Page - STMicroelectronics

부품명	SA555DT

상세설명	General-purpose single bipolar timers

PDF	20 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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14 / 20 page

Application information

NE555 - SA555 - SE555

14/20

Doc ID 2182 Rev 6

Figure 21.

50% duty cycle oscillator

Note that this circuit will not oscillate if RB is greater than 1/2 RA because the junction of RA

and RB cannot bring pin 2 down to 1/3 VCC and trigger the lower comparator.

4.6

Additional information

Adequate power supply bypassing is necessary to protect associated circuitry. The

minimum recommended is 0.1 µF in parallel with 1 µF electrolytic.

Out

NE555

VCC

51k

22k

0.01

μF

VCC

0.01

μF

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