PRECISION SINGLE CELL TIMER ISSUE 2 - MAY 1998 DEVICE DESCRIPTION These devices are precision timing circuits for generation of accurate time delays or oscillation.
Advanced circuit design means that these devices can operate from a single battery cell with the minimum of quiescent current.
In monostable mode time delays are controlled by a single resistor and capacitor network.
In astable mode the frequency and du t y cy c l e c a n be a c c u r a t e l y an d independently controlled with two external resistors and one capacitor.
The threshold and trigger levels are normally set as a proportion of VCC by internal resistors.
These levels can be programmed by the use of the control input pin...

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