参数资料
型号: HY5MS5B6LF-H
厂商: HYNIX SEMICONDUCTOR INC
元件分类: DRAM
英文描述: 16M X 16 DDR DRAM, 6.5 ns, PBGA60
封装: 8 X 12 MM, 1 MM HEIGHT, 0.80 MM PITCH, FBGA-80
文件页数: 28/60页
文件大小: 676K
代理商: HY5MS5B6LF-H
Rev 0.2 / Oct. 2004
34
11Preliminary
Mobile DDR Memory 256Mbit (16Mx16bit)
READ to WRITE
Data from READ burst must be completed or truncated before a subsequent WRITE command can be issued. If trun-
cation is necessary, the BURST TERMINATE command must be used, as shown in next fig. for the case of nominal
tDQSS.
Read to Write
/CLK
CLK
Do
n
Do
n
READ
BST
NOP
WRITE
NOP
BA, Col
n
CL =3
CL =2
Don't Care
1) DO
n = Data Out from column n; DI b = Data In to column b
2) Burst length = 4, 8 or 16 in the cases shown; if the burst length is 2, the BST command can be
ommitted
3) Shown with nominal tAC, tDQSCK and tDQSQ
Command
Address
DQS
DQ
DQS
DQ
BA, Col
b
NOP
DM
READ
BST
NOP
BA, Col
n
Command
Address
BA, Col
b
WRITE
tDQSS
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