参数资料
型号: MT2VDDT832UY-75ZXX
元件分类: DRAM
英文描述: 8M X 32 DDR DRAM MODULE, 0.75 ns, DMA100
封装: LEAD FREE, DIMM-100
文件页数: 19/27页
文件大小: 420K
代理商: MT2VDDT832UY-75ZXX
32MB, 64MB (x32, SR)
100-PIN DDR UDIMM
pdf: 09005aef808ebdbc, source: 09005aef808e914b
Micron Technology, Inc., reserves the right to change products or specifications without notice.
DD2C8_16x32UG.fm - Rev. D 9/04 EN
26
2004 Micron Technology, Inc. All rights reserved.
NOTE:
1. The value of tRAS used for -75 modules is calculated from tRC - tRP. Actual device spec. value is 40 ns.
2. The JEDEC SPD specification allows fast or slow slew rate values for these bytes. The worst-case (slow slew rate) value is
represented here. Systems requiring the fast slew rate setup and hold values are supported, provided the faster min-
imim slew rate is met.
3. The value of tRP, tRCD and tRAP for -6 modules indicated as 18ns to align with industry specifications; actual DDR SDRAM
device specification is 15ns.
33
Address and command hold time, tIH,
(See note 2)
0.8ns (-6)
1.0ns (-75Z/-75)
80
A0
80
A0
34
Data/data mask input setup time, tDS
0.45ns (-6)
0.5ns (-75Z/-75)
45
50
45
50
35
Data/data mask input hold time, tDH
0.45ns (-6)
0.5ns (-75Z/-75)
45
50
45
50
36-40 Reserved
00
41
Min active auto refresh time tRC
60ns (-6)
65ns (-75Z/-75)
3C
41
3C
41
42
Minimum auto refresh to active/auto refresh
command period, tRFC
72ns (-6)
75ns (-75Z/-75)
48
4B
48
4B
43
SDRAM device max cycle time, tCKMAX
12ns (-6)
13ns (-75Z/-75)
30
34
30
34
44
SDRAM device max DQS–DQ skew time, tDQSQ
0.45ns (-6)
0.5ns (-75Z/-75)
2D
3C
2D
3C
45
SDRAM device max read data hold skew factor,
tQHS
0.55ns (-6)
0.75ns (-75Z/-75)
55
75
55
75
46
Reserved
00
47
DIMM Height
11
48–61 Reserved
00
62
SPD revision
Release 1.0
10
63
Checksum for bytes 0-62
-6
-75Z
-75
E4
A4
D4
EF
AF
DF
64
Manufacturer’s JEDEC ID code
MICRON
2C
65-71 Manufacturer’s JEDEC ID code
(Continued)
FF
72
Manufacturing location
01–12
01–0C
73-90 Module part number (ASCII)
Variable Data
91
PCB identification code
1-9
01-09
92
Identification code (continued)
000
00
93
Year of manufacture in BCD
Variable Data
94
Week of manufacture in BCD
Variable Data
95-98 Module serial number
Variable Data
99-127 Manufacturer-specific data (RSVD)
––
Table 20:
Serial Presence-Detect Matrix (Continued)
“1”/“0”: Serial Data, “driven to HIGH”/“driven to LOW”; notes appear following matrix
BYTE
DESCRIPTION
ENTRY (VERSION)
MT2VDDT832U
MT2VDDT1632U
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