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: 32/60页
文件大小: 676K
代理商: HY5MS5B6LF-H
Rev 0.2 / Oct. 2004
38
11Preliminary
Mobile DDR Memory 256Mbit (16Mx16bit)
WRITE to WRITE
Data for any WRITE burst may be concatenated with or truncated with a subsequent WRITE command. In either case,
a continuous flow of input data, can be maintained. The new WRITE command can be issued on any positive edge of
the clock following the previous WRITE command.The first data-in element from the new burst is applied after either
the last element of a completed burst or the last desired data element of a longer burst which is being truncated. The
new WRITE command should be issued X cycles after the first WRITE command, where X equals the number of
desired data-in element pairs.
Concatenated Write Bursts
/CLK
CLK
WRITE
NOP
WRITE
NOP
BA, Col
b
tDQSS
min
Don't Care
1) DI
b (n) = Data In to column b (column n)
2) 3 subsequent elements of Data In are applied in the programmed order following DI b. 3 subsequent elements
of Data In are applied in the programmed order following DI n.
3) Non-interrupted bursts of 4 are shown.
4) Each WRITE command may be to any active bank
Command
Address
DQS
DQ
DQS
DQ
NOP
DM
BA, Col
n
Di
b
Di
n
Di
b
Di
n
tDQSS
max
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