參數(shù)資料
型號(hào): HYB18H1G321AF
廠商: QIMONDA
英文描述: GDDR3 Graphics RAM 1-Gbit GDDR3 Graphics RAM
中文描述: GDDR3顯卡內(nèi)存1千兆位GDDR3顯卡內(nèi)存
文件頁(yè)數(shù): 40/48頁(yè)
文件大?。?/td> 1406K
代理商: HYB18H1G321AF
HYB18H1G321AF–10/11/14
1-Gbit GDDR3
Internet Data Sheet
Rev. 0.92, 2007-10
06122007-MW7D-3G3M
40
Internal write to Read Command
Delay (different rank)
Write to Write Command Delay
(different rank)
Read to Write command delay
Read to Read Command Delay
(different rank)
Write Cycle Timing Parameters for Data and Data Strobe
Write command to first WDQS
latching transition
Data-in and Data Mask to WDQS
Setup Time
Data-in and Data Mask to WDQS
Hold Time
Data-in and DM input pulse width
(each input)
DQS input low pulse width
DQS input high pulse width
DQS Write Preamble Time
DQS Write Postamble Time
Write Recovery Time
Read Cycle Timing Parameters for Data and Data Strobe
Data Access Time from Clock
Read Preamble
Read Postamble
Data-out high impedance time from
CLK
Data-out low impedance time from
CLK
DQS edge to Clock edge skew
DQS edge to output data edge
skew
Data hold skew factor
Data output hold time from DQS
Refresh/Power Down Timing
Refresh Period (8192 cycles)
Average periodic Auto Refresh
interval
Delay from AREF to next ACT/
AREF
Self Refresh Exit time
t
WTR_RR
BL/2 – 1
BL/2 – 1
t
CK
10)
t
WTW_RR
BL/2
BL/2
t
CK
11)
t
RTW
t
RTR_RR
t
RTW(min)
= CL + BL/2+ 2 – WL
t
CK
t
CK
12)
2
2
11)
t
DQSS
WL–0.25 WL+0.25 WL–0.25 WL+0.25 WL–0.25
WL+0.25
t
CK
t
DS
0.14
0.15
0.18
ns
t
DH
0.14
0.15
0.18
ns
t
DIPW
0.40
0.40
0.40
t
CK
t
DQSL
t
DQSH
t
WPRE
t
WPST
t
WR
0.40
0.40
0.75
0.75
13
1.25
1.25
0.40
0.40
0.75
0.75
13
1.25
1.25
0.40
0.40
0.75
0.75
10
1.25
1.25
t
CK
t
CK
t
CK
t
CK
t
CK
9)
t
AC
t
RPRE
t
RPST
t
HZ
– 0.21
0.75
0.75
t
ACmin
0.21
1.25
1.25
t
ACmax
– 0.22
0.75
0.75
t
ACmin
0.22
1.25
1.25
t
ACmax
– 0.25
0.75
0.75
t
ACmin
0.25
1.25
1.25
t
ACmax
ns
t
CK
t
CK
ns
3)
t
LZ
t
ACmin
t
ACmax
t
ACmin
t
ACmax
t
ACmin
t
ACmax
ns
t
DQSCK
t
DQSQ
–0.21
0.21
0.120
–0.22
0.22
0.130
–0.25
0.25
0.160
ns
ns
13)
t
QHS
t
QH
0.120
0.130
0.160
ns
ns
t
HP
t
QHS
t
REF
t
REFI
3.9
32
3.9
32
3.9
32
ms
μs
t
RFC
52.0
52.0
59
ns
t
XSC
1000
1000
1000
t
CK
Parameter
CAS
latency
Symbo
l
Limit Values
Unit
Note
–10
–11
-14
min
max
min
max
min
max
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HYB18H1G321AF-10/11/14 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:GDDR3 Graphics RAM 1-Gbit GDDR3 Graphics RAM
HYB18H256321BF 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:256-Mbit GDDR3 Graphics RAM GDDR3 Graphics RAM
HYB18H256321BF-10 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:256-Mbit GDDR3 Graphics RAM GDDR3 Graphics RAM
HYB18H256321BF-11 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:256-Mbit GDDR3 Graphics RAM GDDR3 Graphics RAM
HYB18H256321BF-11/12/14 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:256-Mbit GDDR3 Graphics RAM GDDR3 Graphics RAM