參數(shù)資料
型號: HYB25R128160C
廠商: SIEMENS AG
英文描述: 128-MBit Direct RDRAM(128 M位直接RDRAM)
中文描述: 128 - Mbit的直接的RDRAM(128米位直接的RDRAM)
文件頁數(shù): 12/93頁
文件大小: 919K
代理商: HYB25R128160C
Direct RDRAM
128/144-MBit (256K
×
16/18
×
32s)
Data Book
12
2.00
Table 9
COLC Packet Field Encodings
S
DC4 … DC0
(select device)
1)
COP3 … 0 Name
Command Description
0
----
-----
No operation.
1
1
/= (DEVID4 … 0)
== (DEVID4 … 0)
-----
x000
2)
NOCOP Retire write buffer of this device.
Retire write buffer of this device.
1
== (DEVID4 … 0) x001
WR
Retire write buffer of this device, then write
column C5 … C0 of bank BC4 … BC0 to write
buffer.
1
== (DEVID4 … 0)
x010
RSRV
Reserved, no operation.
1
== (DEVID4 … 0)
x011
RD
Read column C5 … C0 of bank BC4 … BC0 of
this device.
1
== (DEVID4 … 0)
x100
PREC
Retire write buffer of this device, then precharge
bank BC4 … BC0 (see
Figure 14
).
1
== (DEVID4 … 0)
x101
WRA
Same as WR, but precharge bank BC4 … BC0
after write buffer (with new data) is retired.
1
== (DEVID4 … 0)
x110
RSRV
Reserved, no operation.
1
== (DEVID4 … 0)
x111
RDA
Same as RD, but precharge bank BC4 … BC0
afterward.
Move this device into the standby (STBY) power
state (see
Figure 46
).
1
== (DEVID4 … 0)
1xxx
RLXC
1)
“/=” means not equal, “==” means equal.
An “x” entry indicates which commands may be combined. For instance, the two commands WR/RLXC may
be specified in one COP value (1001).
2)
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