參數(shù)資料
型號(hào): WV3HG32M72EEU534D4SG
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: DRAM
英文描述: 32M X 72 DDR DRAM MODULE, 0.5 ns, ZMA200
封裝: ROHS COMPLIANT, SODIMM-200
文件頁數(shù): 10/12頁
文件大?。?/td> 173K
代理商: WV3HG32M72EEU534D4SG
WV3HG32M72EEU-D4
January 2006
Rev. 0
ADVANCED
7
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
AC OPERATING CONDITIONS
≤TCASE ≤ +85°C; VCC = +1.8V ± 0.1V
Clock
AC Characteristics
Symbol
806
665
534
403
Units
Parameter
Min
Max
Min
Max
Min
Max
Min
Max
Clock cycle time
CL = 6
tCK (6)
TBD
ps
CL = 5
tCK (5)
TBD
3,000
8,000
----
ps
CL = 4
tCK (4)
TBD
3, 750
8,000
3,750
8,000
5,000
8,000
ps
CL = 3
tCK (3)
TBD
5,000
8,000
5,000
8,000
5,000
8,000
ps
CK high-level width
tCH
TBD
0.45
0.55
0.45
0.55
0.45
0.55
tCK
CK low-level width
tCL
TBD
0.45
0.55
0.45
0.55
0.45
0.55
tCK
Half clock period
tHP
TBD
MIN
(
tCH,tCL)
MIN
(
tCH,tCL)
MIN
(
tCH,tCL)
ps
Clock jitter
tJIT
TBD
ps
Data
DQ output access time from CK/CK#
tAC
TBD
-450
-500
+500
-600
+600
ps
Data-out high-impedance window from CK/CK#
tHZ
TBD
tAC (MAX)
ps
Data-out low-impedance window from CK/CK#
tLZ
TBD
tAC (MIN) tAC (MAX) tAC (MIN) tAC (MAX) tAC (MIN) tAC (MAX)
ps
DQ and DM input setup time relative to DQS
tDS
TBD
100
ps
DQ and DM input hold time relative to DQS
tDH
TBD
225
275
ps
DQ and DM input pulse width (for each input)
tDIPW
TBD
0.35
tCK
Data hold skew factor
tQHS
TBD
340
400
450
ps
DQ–DQS hold, DQS to rst DQ to go nonvalid, per access
tQH
TBD
tHP-tQHS
ps
Data valid output window (DVW)
tDVW
TBD
tQH
-
tDQSQ
tQH
-
tDQSQ
tQH
-
tDQSQ
ns
Data
Strobe
DQS input high pulse width
tDQSH
TBD
0.35
tCK
DQS input low pulse width
tDQSL
TBD
0.35
tCK
DQS output access time from CK/CK#
tDQSCK
TBD
-400
+400
-450
+450
-500
+500
ps
DQS falling edge to CK rising – setup time
tDSS
TBD
0.2
tCK
DQS falling edge from CK rising – hold time
tDSH
TBD
0.2
tCK
DQS–DQ skew, DQS to last DQ valid, per group, per
access
tDQSQ
TBD
240
300
350
ps
DQS read preamble
tRPRE
TBD
0.9
1.1
0.9
1.1
0.9
1.1
tCK
DQS read postamble
tRPST
TBD
0.4
0.6
0.4
0.6
0.4
0.6
tCK
DQS write preamble setup time
tWPRES
TBD
000
ps
DQS write preamble
tWPRE
TBD
0.35
0.25
tCK
DQS write postamble
tWPST
TBD
0.4
0.6
0.4
0.6
0.4
0.6
tCK
Write command to rst DQS latching transition
tDQSS
TBD
WL
- 0.25
WL+
0.25
WL
- 0.25
WL+
0.25
WL
- 0.25
WL+
0.25
tCK
Note:
AC specication is based on SAMSUNG components. Other DRAM manufactures specication may be different.
相關(guān)PDF資料
PDF描述
WV3HG32M72EEU806D4MG 32M X 72 DDR DRAM MODULE, ZMA200
WV3HG32M72EEU403D4SG 32M X 72 DDR DRAM MODULE, 0.6 ns, ZMA200
WV3HG32M72EEU806PD4SG 32M X 72 DDR DRAM MODULE, DMA200
WV3HG32M72EEU806PD4MG 32M X 72 DDR DRAM MODULE, DMA200
WV3HG32M72EEU665PD4MG 32M X 72 DDR DRAM MODULE, 0.45 ns, DMA200
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