參數(shù)資料
型號: HYS72T256420HFN-3.7-B
廠商: QIMONDA AG
元件分類: DRAM
英文描述: 240-Pin Fully-Buffered DDR2 SDRAM Modules
中文描述: 256M X 72 DDR DRAM MODULE, DMA240
封裝: GREEN, DIMM-240
文件頁數(shù): 31/42頁
文件大小: 1262K
代理商: HYS72T256420HFN-3.7-B
Internet Data Sheet
Rev. 1.1, 2006-11
09142006-87TL-4SLW
31
HYS72T[64/128/256]4[00/20]HFN–[3S/3.7]–B
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42 - 78
79
80
81
82
83
84
t
RAS.MIN
(min. Active to Precharge Time)
t
RC.MIN
(min. Active to Active / Refresh Time)
t
RFC.MIN
LSB (min. Refresh Recovery Time Delay)
t
RFC.MIN
MSB (min. Refresh Recovery Time Delay)
t
WTR.MIN
(min. Internal Write to Read Cmd Delay)
t
RTP.MIN
(min. Internal Read to Precharge Cmd Delay)
Burst Lengths Supported
Terminations Supported
Drive Strength Supported
t
REFI
(avg. SDRAM Refresh Period)
T
CASE.MAX
Delta /
T
4R4W
Delta
Psi(T-A) DRAM
T
0
(DT0) DRAM
T
2Q
(DT2Q) DRAM
T
2P
(DT2P) DRAM
T
3N
(DT3N) DRAM
T
4R
(DT4R) /
T
4R4W
Sign (DT4R4W) DRAM
T
5B
(DT5B) DRAM
T
7
(DT7) DRAM
Not used
FBDIMM ODT Values
Not used
Channel Protocols Supported LSB
Channel Protocols Supported MSB
Back-to-Back Access Turnaround Time
AMB Read Access Delay for DDR2-800
B4
F0
A4
01
1E
1E
03
07
01
C2
50
7A
40
29
36
21
40
1E
22
00
01
00
02
00
10
56
B4
F0
A4
01
1E
1E
03
07
01
C2
50
7A
40
29
36
21
40
1E
22
00
22
00
02
00
10
56
B4
F0
A4
01
1E
1E
03
07
01
C2
50
7A
40
29
36
21
40
1E
22
00
22
00
02
00
10
58
Product Type
H
H
H
Organization
512MB
1 GByte
2 GByte
×
72
×
72
×
72
1 Rank (
×
8)
2 Ranks (
×
8)
2 Ranks (
×
4)
Label Code
PC2–4200F–444
PC2–4200F–444
PC2–4200F–444
JEDEC SPD Revision
Rev. 1.1
Rev. 1.1
Rev. 1.1
Byte#
Description
HEX
HEX
HEX
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相關代理商/技術參數(shù)
參數(shù)描述
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HYS72T256520HFD-3S-B 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:240-Pin Fully-Buffered DDR2 SDRAM Modules
HYS72T32000GR 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:DDR2 Registered DIMM Modules
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