Cheap And Discounts 1PCS SN74HC157N 74HC161N 74HC163N 74HC595N SN74HC390N DIP16 Inline 8-bit Serial Input/output Parallel Chip Wholesale. Buy Directly From Merchant Shop1102853755 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.