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SE555 Datasheet(PDF) 1 Page - Texas Instruments |
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SE555 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 15 page NE555Y CHIP FORM (Y) SLFS022 – D1669, SEPTEMBER 1973—REVISED FEBRUARY 1992 NE555, NE555Y, SA555, SE555, SE555C PRECISION TIMERS POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Copyright © 1991, Texas Instruments Incorporated 1 PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. • Timing From Microseconds to Hours • Astable or Monostable Operation • Adjustable Duty Cycle • TTL-Compatible Output Can Sink or Source up to 200 mA • Functionally Interchangeable With the Signetics NE555, SA555, SE555, SE555C; Have Same Pinout SE555C FROM TI IS NOT RECOMMENDED FOR NEW DESIGNS description These devices are precision monolithic 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 may be independently controlled with two external resistors and a single external capacitor. The threshold and trigger levels are normally 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. RESET 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. Whenever the output is low, a low-impedance path is provided between DISCH and ground. The output circuit is capable of sinking or sourcing current up to 200 mA. Operation is specified for supplies of 5 V to 15 V. With a 5-V supply, output levels are compatible with TTL inputs. The NE555 is characterized for operation from 0 °C to 70°C. The SA555 is characterized for operation from –40 °C to 85°C. The SE555 and SE555C are characterized for operation over the full military range of –55°C to 125 °C. AVAILABLE OPTIONS PACKAGE TA VTHRES max VCC = 15 V SMALL OUTLINE (D) CHIP CARRIER (FK) CERAMIC DIP (J) PLASTIC DIP (P) 0 °C to 70°C 11.2 V NE555D NE555P –40 °C to 85°C 11.2 V SA555D SA555P –55 °C to 125°C 10.6 V 11.2 V SE555D SE555CD SE555FK SE555CFK SE555JG SE555CJG SE555P SE555CP The D package is available taped and reeled. Add the suffix R to the device type (e.g., NE555DR). 1 2 3 4 8 7 6 5 GND TRIG OUT RESET VCC DISCH THRES CONT D, JG, OR P PACKAGE (TOP VIEW) 321 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 NC DISCH NC THRES NC NC TRIG NC OUT NC FK PACKAGE (TOP VIEW) NC–No internal connection |
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