Published:2009/7/1 20:04:00 Author:May | From:SeekIC
Free-running frequency and duty cycle are controlled by RA, RB, and C in astable MVBR connection of Exar XRL555 micropower equivalent of 555 timer. With 5-V supply, power dissipation is only 900μW.- Timer Data Book, Exar Integrated Systems, Sunnyvale, CA 1978 p 7-8.
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