■ 제품필수정보

제조사	Alliance Memory
제조사품명	AS4C128M16D2A-25BCN
간략설명	Alliance Memory AS4C128M16D2A-25BCN, SDRAM 2Gbit Surface Mount, 400MHz, 1.7 V to 1.9 V, 84-Pin FBGA

■ 제품사양

Memory Size = 2Gbit Organisation = 128M x 16 Data Rate = 400MHz
데이터 버스 = 16bit Address Bus Width = 13bit Number of Bits per Word = 16bit Maximum Random Access Time = 12.5ns Number of Words = 128 M
장착형태 = Surface Mount
패키지 = FBGA
핀수 = 84
크기 = 8.1 x 12.5 x 1.2mm
높이 = 1.2mm Length = 8.1mm Width = 12.5mm The Alliance Memory 2Gb DDR2 is a high-speed CMOS Double-Data- Rate-Two (DDR2), synchronous dynamic random - access memory (SDRAM) containing 2048 Mbits in a 16- bit wide data I/Os. It is internally configured as a 8-bank DRAM, 8 banks x 16Mb addresses x 16 I/Os. The device is designed to comply with DDR2 DRAM key features such as posted CAS# with additive latency, Write latency = Read latency -1, Off-Chip Driver (OCD) impedance adjustment, and On Die Termination(ODT).8 internal banks for concurrent operation 4-bit prefetch architecture Internal pipeline architecture Precharge & active power down Programmable Mode & Extended Mode registers