Precision timer for -55 to 85C operation 8-SOIC -40 to 85
8-Pin SOIC Surface Mount 100kHz Timer IC
Single Timer IC, 100kHz, 4.5V-18V, SOIC-8, -55°C to 125°C
TEXAS INSTRUMENTS SA555PG4 IC, TIMER, 555, 18V, DIP-8