T
T
T
S
S
S
2
2
2
K
K
K
N
N
N
U
U
U
2
2
2
8
8
8
1
1
1
0
0
0
0
0
0
-
-
-
3
3
3
S
S
S
240PIN DDR3 1333 UDIMM
1024MB With 128Mx8 CL9
Transcend Information Inc.
9
SERIAL PRESENCE DETECT SPECIFICATION
Serial Presence Detect
Byte No.
Function Described Standard Specification
Vendor Part
0
Number of SPD Bytes written / SPD device size / CRC
coverage during module production
CRC:0-116Byte
SPD Byte total: 256Byte
92
1 SPD Revision Version 0.5 05
2 Key Byte / DRAM Device Type DDR3 SDRAM 0B
3 Key Byte / Module Type UDIMM 02
4 SDRAM Density and Banks 1GB 8banks 02
5 SDRAM Addressing ROW:14, Column:10 11
6 Reserved - 00
7
Module Organization
1Rank / x8 01
8 Module Memory Bus Width Non ECC, 64bit 03
9
Fine Timebase Dividend and Divisor
2.5ps 52
10
Medium Timebase Dividend
0.125ns 01
11 Medium Timebase Divisor 0.125ns 08
12 SDRAM Minimum Cycle Time (tCKmin) 1.5ns 0C
13 Reserved - 00
14 CAS Latencies Supported, Least Significant Byte 6, 7, 8, 9 3C
15 CAS Latencies Supported, Most Significant Byte 6, 7, 8, 9 00
16
Minimum CAS Latency Time (tAAmin)
13.5ns 6C
17
Minimum Write Recovery Time (tWRmin)
15ns 78
18 Minimum /RAS to /CAS Delay Time (tRCDmin) 13.5ns 6C
19
Minimum Row Active to Row Active Delay Time
(tRRDmin)
6ns 30
20
Minimum Row Precharge Time (tRPmin)
13.5ns 6C
21 Upper Nibble for tRAS and tRC
-
11
22 Minmum Active to Precharge Time (tRASmin) 36ns 2C
23 Minmum Active to Active/Refresh Time (tRCmin) 49.5ns 8C
24
Minmum Refresh Recovery Time (tRFCmin), Least
Significant Byte
110ns 70
25
Minmum Refresh Recovery Time (tRFCmin), Most
Significant Byte
110ns 03
26
Minmum Internal Write to Read Command Delay Time
(tWTmin)
7.5ns 3C
27
Minimum Internal Read to Precharge Command Delay
Time (tRTPmin)
7.5ns 3C
28 Upper Nibble for tFAW 30ns 00
29 Minmum Four Active Window Delay Time (tFAWmin) 30ns F0
30 SDRAM Optional Features
DLL off Mode,
RZQ/6, RZQ/7
83
31 SDRAM Thermal and Refresh Options No ODTs, No ASR 01
32-59
Reserved
- 00
60
Module Nominal Height
30mm 0F
61
Module Max Thickness
Planar Single Sides 01