Winbond W66BL6NB and W66CL2NQ 2Gb/4Gb LPDDR4 DRAM is offered in Single-Die-Package (SDP) and Dual-Die-Package (DDP). The Single-Die-Package (SDP) provides 16Mb x 16DQ x 8-banks x 1 channel with 2Gb (2,147,483,648 bits) density. The Dual-Die-Package (DDP) offers 16Mb x 16DQ x 8-banks x 2 channels with 4Gb (4,294,967,296 bits) density.