Texas Instruments NE555P, Monstable Circuit, 8-Pin PDIP, Mounting Type: Through Hole, Timer Type: Adjustable and Monostable, Number of Internal Timers: 1, Minimum Operating Supply Voltage: 4.5 V, Maximum Operating Supply Voltage: 16 V, Minimum Operating Temperature: 0 °C, Maximum Operating Temperature: +70 °C, Maximum Low Level Output Current: 200mA, Maximum High Level Output Current: -200mA, Maximum Propagation Delay Time @ Maximum CL: 300 ns @ 15 pF, Dimensions: 10.16 x 6.6 x 4.57mm, Length: 10.16mm