Part Number
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XR-555 |
Manufacturer
|
Exar |
Description
|
Timing Circuit |
Published
|
Apr 5, 2018 |
Detailed Description
|
XR-555
Timing Circuit
GENERAL DESCRIPTION
The XR-555 monolithic timing circuit is a highly stable controller capable ...
|
Datasheet
|
XR-555
|
Overview
XR-555
Timing Circuit
GENERAL DESCRIPTION
The XR-555 monolithic timing circuit is a highly stable controller capable of producing accurate timing pulses.
It is a direct, pin-for-pin replacement for the SEINE 555 timer.
The circuit contains independent control terminals for triggering or resetting if desired.
In the monostable mode of operation, the time delay is controlled by one external resistor and one capacitor.
For astable operation as an oscillator, the free-running frequency and the duty cycle are accurately controlled with two external resistors and one capacitor (as shown in Figure 2).
The XR-555 may be triggered or reset on falling waveforms.
Its output can source or sink up t...
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