Texas Instruments SE555
The Nx555 and Sx555 devices are precision timing circuits capable of producing accurate time delays or oscillation. Each timer has a trigger level equal to approximately one-third of the supply voltage and a threshold level equal to approximately two-thirds of the supply voltage.| Part No. | SE555 |
|---|---|
| Datasheet | SE555 Download |
| Manufacturer |  Texas Instruments |
| Description | Precision Timer |
| Buy | Stock & Price |
FEATURES
● Timing from microseconds to hours● Astable or monostable operation
● Adjustable duty cycle
● TTL-compatible output can sink or source up to 200mA
● On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. 2
APPLICATIONS
● Pulse-shaping circuits● Missing-pulse detectors
● Pulse-width modulators
● Pulse-position modulators
● Sequential timers
● Pulse generators
● Frequency dividers
● Industrial controls VCC 8 CONT 6 THRES 5 ÎÎÎÎ RESET 4 ÎÎÎ R1 R 1ÎÎÎ S ÎÎÎ 3 OUT 2 TRIG ÎÎÎ 1 GND Simplified Schematic 7 DISCH 3
DESCRIPTION
In time-delay or monostable operating modes, the timed interval is controlled by a single external resistor and capacitor network. In the astable mode of operation, the frequency and duty cycle are controlled independently with two external resistors and a single external capacitor. These levels can be altered by use of the control voltage pin (CONT).
