“XD74LS90 Binary Coded Decimal Decade Counter IC” has been added to your cart. View cart 555 timer 4 pack $3.00 49 in stock 555 timer 4 pack quantity Add to cart Categories: Digital Logic IC's, Electronic Parts Description Description The classic 555 timer. Pack of four. Comes in an 8 pin DIP IC. Brands may vary. Share on TwitterShare on FacebookShare on WhatsAppShare on LinkedInShare on Pinterest Related products 4 Channel 5V optocoupler Relay Module $4.00 Add to cart LM358 Op Amp 4 pack $2.00 Add to cart CD4060 14-Stage Ripple-Carry Binary Counter with Oscilator $2.00 Add to cart 2W 18V Solar Panel $13.00 Add to cart