555 PDF – LM555, NE555 – PRECISION TIMER IC

This is one of the semiconductor types. This part name is 555.

This product has PRECISION TIMER functions.

Manufacturers of product is Diodes.

Part Number : NE555, LM555, SA555, NA555

Image and pinout :

555 datasheet pinout

 

 

555 PDF Datasheet

Some of the text files within the PDF file

This ic is precision timing circuits capable of producing accurate time delays or oscillation. In the timedelay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the astable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor.

Description

These devices are precision timing circuits capable of producing accurate time delays or oscillation. In the timedelay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the astable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor. The threshold and trigger levels normally are two-thirds and one-third, respectively, of VCC. These levels can be altered by use of the control-voltage terminal. When the trigger input falls below the trigger level, the flip-flop

is set, and the output goes high. If the trigger input is above the trigger level and the threshold input is above the threshold level, the flip-flop is reset and the output is low. The reset (RESET) input can override all other inputs and can be used to initiate a new timing cycle. When RESET goes low, the flip-f [ … ]

Please refer to the file for details.

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