74HC640A

Buyer Protection

Protecting Your Purchase from Click to Delivery

• Full Refund

  if you don't receive your order

  You will get a full refund if your order does not arrive within the delivery time promised by the seller.

• Refund or Keep

  items not as described

  You can get a full refund if your item is significantly different from the seller's description

  or

  You can choose a partial refund and keep the product.