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Cpu 陶瓷散热,不好拆,就不拆了,内存资料,帮忙看下是多大的
background image EtronTechEM68B16CWQHEtron Technology, Inc.No. 6, Technology Rd. V, Hsinchu Science Park, Hsinchu, Taiwan 30078, R.O.C.TEL: (886)-3-5782345FAX: (886)-3-5778671Etron Technology, Inc. reserves the right to change products or specification without notice.32M x 16 bit DDRII Synchronous DRAM (SDRAM)Advance (Rev. 1.6, Oct. /2015)Features• JEDEC Standard Compliant• JEDEC standard 1.8V I/O (SSTL_18-compatible)• Power supplies: VDD & VDDQ = +1.8V ± 0.1V• Operating temperature: TC = 0~85°C• Supports JEDEC clock jitter specification• Fully synchronous operation• Fast clock rate: 333/400/533MHz• Differential Clock, CK & CK#• Bidirectional single/differential data strobe- DQS & DQS#• 4 internal banks for concurrent operation• 4-bit prefetch architecture• Internal pipeline architecture• Precharge & active power down• Programmable Mode & Extended Mode registers• Posted CAS# additive latency (AL): 0, 1, 2, 3, 4, 5, 6• WRITE latency = READ latency - 1 tCK• Burst lengths: 4 or 8• Burst type: Sequential / Interleave• DLL enable/disable• Off-Chip Driver (OCD)- Impedance Adjustment- Adjustable data-output drive strength• On-die termination (ODT)• RoHS compliant• Auto Refresh and Self Refresh• 8192 refresh cycles / 64ms• 84-ball 8x12.5x1.2mm (max) FBGA- Pb and Halogen FreeOverviewThe EM68B16C is a high-speed CMOS Double-Data-Rate-Two (DDR2), synchronous dynamic random-access memory |
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