BIPOLAR TIMER, SINGLE, GEN PURPOSE; Operating Mode:Astable / Monostable; No. of Timers:1; Clock External Input:No; Frequency:500kHz; Supply Voltage Range:4.5V to 16V; Digital IC Case Style:SOIC; No. of Pins:8; Operating Temperature Range:0°C to +70°C; SVHC:No SVHC (20-Jun-2011); Base Number:555; Device Marking:NE555D; Operating Frequency Max:500kHz; Package / Case:SO; Supply Voltage Max:16V; Supply Voltage Min:4.5V; Termination Type:SMD