Single Precision Timer

These devices NE555 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 twothirds and onethird, respectively, of VCC. These levels CAN be altered by use of the controlvoltage terminal. When the trigger input falls below the trigger level, the flipflop 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 flipflop 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 flipflop is reset, and the output goes low. When the output is low, a lowimpedance path is provided between discharge (DISCH) and ground. By Texas Instruments
Part Manufacturer Description Datasheet Samples
NE555PSLE Texas Instruments Single Precision Timer 8-SO 0 to 70
NE555Y Texas Instruments PULSE; RECTANGULAR, TIMER, UUC, DIE
NE555JG Texas Instruments PULSE, TIMER, CDIP8, 0.300 INCH, HERMETIC SEALED, CERAMIC, DIP-8
NE555D Texas Instruments Single Precision Timer 8-SOIC 0 to 70
NE555PSRE4 Texas Instruments Single Precision Timer 8-SO 0 to 70
NE555PSR Texas Instruments Single Precision Timer 8-SO 0 to 70
NE555PE4 Texas Instruments Single Precision Timer 8-PDIP 0 to 70
NE555PWRG4 Texas Instruments Single Precision Timer 8-TSSOP 0 to 70
NE555DG4 Texas Instruments Single Precision Timer 8-SOIC 0 to 70
NE555PW Texas Instruments Single Precision Timer 8-TSSOP 0 to 70
NE555 's PackagesNE555 's pdf datasheet
NE555D SOIC
NE555DE4 SOIC
NE555DG4 SOIC
NE555DR SOIC
NE555DRE4 SOIC
NE555DRG4 SOIC
NE555P PDIP
NE55D245PE4 PDIP
NE555PSLE SO
NE555PSR SO
NE555PSRE4 SO
NE555PSRG4 SO
NE555PW TSSOP
NE555PWE4 TSSOP
NE555PWG4 TSSOP
NE555PWR TSSOP
NE555PWRE4 TSSOP
NE555PWRG4 TSSOP




NE555 Pinout, Pinouts
NE555 pinout,Pin out
This is one package pinout of NE555,If you need more pinouts please download NE555's pdf datasheet.

NE555 Application circuits
NE555 circuits
This is one application circuit of NE555,If you need more circuits,please download NE555's pdf datasheet.


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