timer IC

SMD NE555 Timer IC Module SOP8 Integrated Circuit.Low Turn Off Time Maximum Operating Frequency Greater than 500kHz Timing From Microseconds To Hours Operates In Both Astable and Monostable Modes Adjustable Duty Cycle TTL Compatible Temperature Stability of 0.005% Per °C Model: NE555 Type: SOP8 Voltage Supply: 4.5-16V High Output Current can Source or Sink 225mA