參數(shù)資料
型號(hào): HYB25M128160C
廠商: SIEMENS AG
英文描述: 128-Mbit direct RDRAM(128 Mbit 直接 RDRAM)
中文描述: 128 - Mbit的直接的RDRAM(128兆直接的RDRAM)
文件頁(yè)數(shù): 29/93頁(yè)
文件大?。?/td> 919K
代理商: HYB25M128160C
Data Book
29
2.00
Direct RDRAM
128/144-MBit (256K
×
16/18
×
32s)
Figure 14
Offsets for Alternate Precharge Mechanisms
D (a2)
a1 = {Da, Ba, Ca1}
retire (a2)
MSK (a2)
T24
PREX a5
a1 = {Da, Ba, Ca1}
a3 = {Da, Ba, Ca3}
Transaction a: RD
DQB8...0
DQA8...0
a0 = {Da, Ba, Ra}
Q (a1)
Transaction a: WR
COLC Packet: PREX Precharge Offset
The PREX precharge is equivalent to a PRER command here
CTM/CFM
ROW0
COL4...COL0
ROW2...
ACT a0
T2
T0
T1
T3
T4
COL4...COL0
DQB8...0
DQA8...0
T14
RD a2
RD a1
T7
T5
T6
T8
T9
T10 T11
T13
T12
RD a3
RD a4
T19
T15 T16
T18
T17
T20 T21
T23
T22
a0 = {Da, Ba, Ra}
D (a1)
retire (a1)
MSK (a1)
RTR
t
a5 = {Da, Ba}
Q (a4)
a2 = {Da, Ba, Ca2}
a4 = {Da, Ba, Ca4}
Q (a2)
Q (a3)
SPA04218
a5 = {Da, Ba}
T34
ACT b0
PRER a5
OFFP
t
T29
T25 T26 T27 T28
T30 T31 T32 T33
T39
T36
T35
T37 T38
T41
T40
T42 T43
a2 = {Da, Ba, Ca2}
OFFP
t
T46
T45
T44
T47
T24
T24
a1 = {Da, Ba, Ca1}
a3 = {Da, Ba, Ca3}
The WRA precharge (triggered by the automatic retire) is equivalent to a PRER command here
Transaction a: RD
COLC Packet: WRA Precharge Offset
The RDA precharge is equivalent to a PRER command here
ROW2...
ROW0
CTM/CFM
ACT a0
T2
T0
T1
T3
T4
ROW2...
ROW0
DQB8...0
DQA8...0
COL4...COL0
ACT a0
T14
a0 = {Da, Ba, Ra}
T7
T5
T6
T8
T9
T10 T11
T13
T12
T19
T15 T16
T18
T17
T20 T21
T23
T22
RD a2
RD a1
RD a3
RD a4
Q (a1)
COLC Packet: RDA Precharge Offset
CTM/CFM
T2
T0
T1
T3
T4
T14
T7
T5
T6
T8
T9
T10 T11
T13
T12
T19
T15 T16
T18
T17
T20 T21
T23
T22
a5 = {Da, Ba}
T34
ACT b0
a2 = {Da, Ba, Ca2}
a4 = {Da, Ba, Ca4}
PRER a5
T29
T25 T26 T27 T28
T30 T31 T32 T33
T39
T36
T35
T37 T38
T41
T40
T42 T43
ACT b0
Q (a4)
Q (a2)
Q (a3)
PRER a5
OFFP
t
T46
T45
T44
T47
T34
T29
T25 T26 T27 T28
T30 T31 T32 T33
T39
T36
T35
T37 T38
T41
T40
T42 T43
T46
T45
T44
T47
WR a1
WRA a2
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