Cheap And Discounts 10pcs/Lot MAX3243ECPWR TSSOP-28 MARKING;MP243EC RS-232 Interface IC 3-5.5V MultiCh Line Driver/Receiver Wholesale. Buy Directly From Merchant CJXY221012 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.