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NE555 Datasheet(PDF) 1 Page - ARTSCHIP ELECTRONICS CO.,LMITED. |
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NE555 Datasheet(HTML) 1 Page - ARTSCHIP ELECTRONICS CO.,LMITED. |
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1 / 18 page  NE555,SA555,SE555 PRECISION TIMERS www.artschip.com 1 Timing From Microseconds to Hours Astable or Monostable Operation Adjustable Duty Cycle TTL-Compatible Output Can Sink or Source Up To 200 mA Description/ordering information These devices are precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay 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 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-flop is reset and the output goes low. When the output is low, a low-impedance path is provided between discharge (DISCH) and ground. The output circuit is capable of sinking or sourcing current up to 200 mA. Operation is specified for supplies of 5V to 15V. With a 5-V supply, output levels are compatible with TTL inputs. NE555…D, P, PS, OR PW PACKAGE SA555… D OR P PACKAGE SE555… D, JG, OR P PACKAGE (TOP VIEW) SE555…FK PACKAGE (TOP VIEW) NC-NO internal Connection Description/ordering information (continued) ORDERING INFORMATION TA VTHRES MAX VCC=15V PACKAGE † ORDERABLE PARTNUMBER TOP-SIDE MARKING PDIP(P) Tube of 50 NE555P NE555P Tube of 75 NE555D SOIC (D) Reel of 2500 NE555DR NE555 SOP(PS) Reel of 2000 NE555PSR N555 Tube of 150 NE555PW 0℃ to 70℃ 11.2V TSSOP(PW) Reel of 2000 NE555PWR N555 PDIP (P) Tube of 50 SA555P SA555P Tube of 75 SA555D -40℃ to 85℃ 11.2V SOIC (D) Reel of 2000 SA555DR SA555 PDIP (P) Tube of 50 SE555P SE555P Tube of 75 SE555D SOIC (D) Reel of 2500 SE555DR SE555D CDIP (JG) Tube of 50 SE555JG SE555JG -55℃ to 125℃ 10.6V LCCC (FK) Tube of 55 SE555FK SE555FK †Package drawing, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.artschip.com. |
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