10 pcs NE555P NE555 DIP-8 High Precision Oscillator Timer IC 555 | eBay
TLC551 IC Timer - CMOS 555 with 1V to 15V power, up to 1.8MHz [TLC551CP] : ID 5222 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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NE555P NE555 DIP-8 TI High Precision Oscillator Timer IC 555 – Envistia Mall