512MB, 1GB (x64)
200-PIN DDR SODIMM
Table 21: Serial Presence-Detect Matrix
“1”/“0”: Serial Data, “driven to HIGH”/“driven to LOW”; notes appear on page 29
BYTE
DESCRIPTION
ENTRY (VERSION)
MT16VDDF6464H MT16VDDF12864H
0
1
2
3
4
5
6
7
8
9
128
80
08
07
0D
0A
02
40
00
04
80
08
07
0D
0B
02
40
00
04
Number of Bytes Used by Micron
Total Number of Bytes in SPD Device
Fundamental Memory Type
256
SDRAM DDR
13
Number of Rows Addresses on Assembly
Number of Column Addresses on Assembly
Number of Physical Ranks on DIMM
Module Data With
11, 12
2
64
0
Module Data With (Continued)
Moduel Voltage Interface Levels
SDRAM Cycle Time, (tCK), CAS Latency = 2.5
(See note 1)
SSTL 2.5V
6ns (-335)
7ns (-262/-26A)
7.5ns( -265)
8ns (-202)
60
70
75
80
60
70
75
80
SDRAM Access From Clock,(tAC),
CAS Latency = 2.5
10
0.7ns (-335)
0.75ns (-262/-26A/-265)
0.8ns (-202)
70
75
80
70
75
80
11
12
13
14
15
Non-ECC
7.8µs/SELF
x8
00
82
08
00
01
00
82
08
00
01
Module Configuration Type
Refresh Rate/Type
SDRAM Device Width (Primary SDRAM)
Error-checking SDRAM Data Width
Non-ECC
1 clock
Minimum Clock Delay, Back-to-Back Random
Column Access
16
17
18
19
20
21
22
23
Burst Lengths Supported
Number of Banks on SDRAM Device
CAS Latencies Supported
CS Latency
2, 4, 8
0E
04
0C
01
02
20
C0
0E
04
0C
01
02
20
C0
4
2, 2.5
0
WE Latency
1
SDRAM Module Attributes
SDRAM Device Attributes: General
SDRAM Cycle Time, (tCK), CAS Latency = 2
(See note 1)
Unbuffered/Diff. Clock
Fast/Concurrent AP
7.5ns (-335/-262/-26A)
10ns (-265/-202)
75
A0
75
A0
SDRAM Access From CK, (tAC), CAS Latency = 2
24
0.7ns (-335)
0.75ns (-262/-26A/-265)
0.8ns (-202)
70
75
80
70
75
80
SDRAM Cycle Time, (tCK), CAS Latency = 1.5
SDRAM Access From CK, (tAC),
CAS Latency = 1.5
25
26
N/A
00
00
N/A
00
00
Minimum Row Precharge Time, (tRP)
27
18ns (-335)
15ns (-262)
20ns (-26A/-265/-202)
48
3C
50
48
3C
50
Minimum Row to Row Active, (tRRD)
Minimum RAS# to CAS# Delay, (tRCD)
28
29
12ns (-335)
15 ns (-262/-26A/-265/-202)
30
3C
30
3C
18ns (-335)
15ns (-262)
20ns (-26A/-265/-202)
48
3C
50
48
3C
50
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.
27
MICRON [ MICRON TECHNOLOGY ]
