MT16LSDF6464HY-133D2 Datasheet, PDF (20/22 Pages) Micron Technology – SMALL-OUTLINE SDRAM MODULE

256MB, 512MB (x64, DR)
144-PIN SDRAM SODIMM
Table 20: Serial Presence-Detect Matrix
“1”/“0”: Serial Data, “driven to HIGH”/“driven to LOW”; VDD = +3.3V ±0.3V
BYTE
DESCRIPTION
0 Number of bytes used by Micron
1 Total number of SPD memory bytes
2 Memory type
3 Number of row addresses
4 Number of column addresses
5 Number of banks
6 Module data width
7 Module data width (continued)
8 Module voltage interface levels
9 _{SDRAM cycle time,} ^t_CK
(CL = 3)
10 _{SDRAM access from clock,} ^t_AC
(CL = 3)
11 Module configuration type
12 Refresh rate/type
13 SDRAM width (primary SDRAM)
14 Error-checking SDRAM data width
15 MIN clock delay from back-to-back random
column addresses, ^tCCD
16 Burst lengths supported
17 Number of banks on SDRAM device
18 CAS latencies supported
19 CS latency
20 WE latency
21 SDRAM module attributes
22 SDRAM device attributes: General
23 _{SDRAM cycle time,} ^t_CK
(CL = 2)
24 _{SDRAM access from CLK,} ^t_AC
(CL = 2)
25 _{SDRAM cycle time,} t_CK
(CL = 1)
26 _{SDRAM access from CLK,} ^t_AC
(CL = 1)
27 _{MIN row precharge time,} ^t_RP
28 _{MIN row active-to-row active,} ^t_RRD
29 _{MIN RAS#-to-CAS# delay,} ^t_RCD
30 _{MIN RAS# pulse width,} ^t_RAS
ENTRY (VERSION)
128
256
SDRAM
12 or 13
10
2
64
0
LVTTL
7ns (-13E)
7.5ns (-133)
8ns (-10E)
5.4ns (-13E/-133)
6ns (-10E)
NONE
15.6µs
or 7.81µs/self
8
1
MT16LSDF3264H
80
08
04
0C
0A
02
40
00
01
70
75
80
54
60
00
80
08
00
01
1, 2, 4, 8, page
8F
4
04
2, 3
06
0
01
0
01
Unbuffered
00
14
0E
7.5ns (13E)
75
10ns (-133/-10E)
A0
5.4ns (-13E)
54
6ns (-133/-10E)
60
–
00
–
00
15ns (-13E)
0F
20ns (-133/-10E)
14
14ns (-13E)
0E
15ns (-133)
0F
20ns (-10E)
14
15ns (-13E)
0F
20ns (-133/-10E)
14
45ns (-13E)
2D
44ns (133)
2C
50ns (-10E)
32
MT16LSDF6464H
80
08
04
0D
0A
02
40
00
01
70
75
80
54
60
00
82
08
00
01
8F
4
6
01
01
00
0E
75
A0
54
60
00
00
0F
14
0E
0F
14
0F
14
2D
2C
32
pdf: 09005aef807924d2, source: 09005aef807924f1
SDF16C32_64x64HG.fm - Rev. E 4/06 EN
20
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2006 Micron Technology, Inc. All rights reserved.