參數(shù)資料
型號(hào): EDD2504AKTA-6B-E
廠商: ELPIDA MEMORY INC
元件分類: DRAM
英文描述: 256M bits DDR SDRAM (64M words x 4 bits)
中文描述: 64M X 4 DDR DRAM, 0.7 ns, PDSO66
封裝: ROHS COMPLIANT, PLASTIC, TSOP2-66
文件頁(yè)數(shù): 12/49頁(yè)
文件大?。?/td> 555K
代理商: EDD2504AKTA-6B-E
EDD2504AKTA-E
CKE (input pin)
This pin determines whether or not the next CK is valid. If CKE is High, the next CK rising edge is valid. If CKE is
Low. CKE controls power down and self-refresh. The power down and the self-refresh commands are entered
when the CKE is driven Low and exited when it resumes to High. CKE must be maintained high throughout read or
write access.
The CKE level must be kept for 1 CK cycle at least, that is, if CKE changes at the cross point of the CK rising edge
and the /CK falling edge with proper setup time tIS, by the next CK rising edge CKE level must be kept with proper
hold time tIH.
DM (input pin)
DM is the reference signal of the data input mask function. DM is sampled at the cross point of DQS and VREF.
When DM = High, the data input at the same timing are masked while the internal burst counter will be count up.
DQ0 toDQ3 (input/output pins)
Data is input to and output from these pins.
DQS (input and output pin)
DQS provides the read data strobe (as output) and the write data strobe (as input).
VDD, VSS, VDDQ, VSSQ (Power supply)
VDD and VSS are power supply pins for internal circuits. VDDQ and VSSQ are power supply pins for the output
buffers.
Data Sheet E0610E10 (Ver. 1.0)
12
相關(guān)PDF資料
PDF描述
EDD2504AKTA-7A-E 256M bits DDR SDRAM (64M words x 4 bits)
EDD2504AKTA 256M bits DDR SDRAM (64M words x 4 bits)
EDD2504AKTA-6B 256M bits DDR SDRAM (64M words x 4 bits)
EDD2504AKTA-7A 256M bits DDR SDRAM (64M words x 4 bits)
EDD2504AKTA-7B 256M bits DDR SDRAM (64M words x 4 bits)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EDD2504AKTA-7A 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM (64M words x 4 bits)
EDD2504AKTA-7A-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM (64M words x 4 bits)
EDD2504AKTA-7B 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM (64M words x 4 bits)
EDD2504AKTA-7B-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM (64M words x 4 bits)
EDD2504AKTA-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM (64M words x 4 bits)