LM556CM/NOPB , 555 Type, Timer/Oscillator (Dual) IC 14-SOIC (0.154", 3.90mm Width). we specialize in Hotenda LM556CM/NOPB electronic components. LM556CM/NOPB can be shipped within 24 hours after order.
LM556CN , 555 Type, Timer/Oscillator (Dual) IC 14-DIP (0.300", 7.62mm). we specialize in Fairchild Semiconductor LM556CN electronic components. LM556CN can be shipped within 24 hours after order.