W3EG7218S-BD4 PDF 데이터시트 검색

White Electronic Designs W3EG7218S-AD4 -BD4 PRELIMINARY* 128MB 16Mx72 DDR SDRAM UNBUFFERED w, PLL FEATURES Double-data-rate architecture DDR200 and DDR266 Bi-directional data strobes (DQS) Differential clock inputs (CK & CK#) Programmable Read Latency 2,2,5 (clock) Programmable Burst Length (2,4,8) Programmable Burst type (sequential & interleave) Edge aligned data output, center aligned data input Auto and self refresh Serial presence detect Power Supply: 2.5V ± 0.20V JEDEC standard 200 pin