512MB, 1GB (x64)
200-PIN DDR SODIMM
Table 21: Serial Presence-Detect Matrix (Continued)
“1”/“0”: Serial Data, “driven to HIGH”/“driven to LOW”; notes appear on page 29
BYTE
DESCRIPTION
ENTRY (VERSION)
MT16VDDF6464H MT16VDDF12864H
Minimum RAS# Pulse Width, (tRAS)
(See note 2)
30
42ns (-335)
45ns (-262/-26A/-265)
40ns (-202)
2A
2D
28
2A
2D
28
31
32
256MB, 512MB
40
80
Module Rank Density
Address and Command Setup Time, (tIS)
(See note 3)
0.8ns (-335)
1ns (-262/-26A/-265)
1.1ns (-202)
80
A0
B0
80
A0
B0
Address and Command Hold Time, (tIH)
(See note 3)
33
34
35
0.8ns (-335)
1ns (-262/-26A/-265)
1.1ns (-202)
80
A0
B0
80
A0
B0
Data/ Data Mask Input Setup Time, (tDS)
0.45ns (-335)
0.5ns (-262/-26A/-265)
0.6ns (-202)
45
50
60
45
50
60
Data/ Data Mask Input Hold Time, (tDH)
0.45ns (-335)
0.5ns (-262/-26A/-265)
0.6ns (-202)
45
50
60
45
50
60
36-40 Reserved
41
00
00
Minimum Active Auto Refresh Time (tRC)
60ns (-335/-262)
65ns (-26A/-265)
70ns (-202)
3C
41
46
3C
41
46
42
72ns (-335)
75ns (-262/-26A/-265)
80ns (-202)
48
4B
50
48
4B
50
Minimum Auto Refresh to Active/Auto Refresh
Command Period, (tRFC)
SDRAM Device Max Cycle Time (tCKMAX)
43
44
12ns (-335)
13ns (-262/-26A/-265/-202)
30
34
30
34
0.40ns (-335)
0.5ns (-262/-26A/-265)
0.6ns (-202)
28
32
3C
28
32
3C
SDRAM Device Max DQS-DQ Skew Time
(tDQSQ)
45
SDRAM Device Max Read Data Hold Skew
Factor (tQHS)
0.5ns (-335)
0.75ns (-26A/-265)
1.0ns (-202)
50
75
A0
50
75
A0
46
47
00
01
00
10
00
01
00
10
Reserved
DIMM Height
Reserved
48–61
62
Release 1.0
SPD Revision
Checksum for Bytes 0-62
63
-335
-262
-26A
-265
-202
30
BB
E8
18
B3
5F
FC
29
59
F4
64
65-71
72
MICRON
2C
00
2C
00
Manufacturer’s JEDEC ID Code
Manufacturer’s JEDEC ID Code (Continued)
Manufacturing Location
01–12
01–0C
01–0D
73-90
91
Variable Data
01-09
Variable Data
01-09
Module Part Number (ASCII)
PCB Identification Code
1-9
0
92
00
00
Identification Code (Continued)
Year of Manufacture in BCD
93
Variable Data
Variable Data
09005aef80a646bc
DDF16C64_128x64HG_B.fm - Rev. B 7/03 EN
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2003 Micron Technology, Inc.
28
MICRON [ MICRON TECHNOLOGY ]
