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): 25/93頁
文件大?。?/td> 919K
代理商: HYB25R128160C
Data Book
25
2.00
Direct RDRAM
128/144-MBit (256K
×
16/18
×
32s)
Figure 11
Row Packet Example
Figure 12
shows examples of the PRER-to-PRER (RR13, RR14) and PRER-to-ACT (RR9, RR10)
command spacings from
Table 12
. The RR15 and RR16 cases (PRER-to-PRER to same or
adjacent banks) are not shown, but are similar to RR14. In general, the commands in ROW packets
may be spaced an interval
t
PACKET
apart unless they are directed to the same or adjacent banks or
unless they are a similar command type (both PRER or both ACT) directed to the same device.
DQA8...0
DQB8...0
COL4...COL0
SPA04215
T24
Different Device
Same Device
Same Device
Different Device
ACT b0
ROW0
CTM/CFM
ROW2...
ACT a0
PACKET
t
T2
T0
T1
T3
T4
T14
ACT a0
T7
T5
T6
T8
T11
T13
T12
t
ACT c0
RR
T19
T15 T16
T18
T17
T20 T21
T23
T22
a0 = {Da, Ba, Ra}
b0 = {Db, Bb, Rb}
c0 = {Da, Bc, Rc}
c0 = {Da, Bc, Rc}
b0 = {Db, Bb, Rb}
Any Bank
Non-adjacent Bank
T34
PRER b0
PACKET
ACT a0
t
T29
T27 T28
T30 T31 T32 T33
ACT a0
PACKET
t
T39
T36
T35
RR6
T41
T40
T42 T43
Non-adjacent Bank
Any Bank
RR1
RR2
RR5
PRER c0
T46
T45
T44
T47
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