Datasheet
DTM63323
1 GB - 128Mx64, 240-Pin Unbuffered DDR2 DIMM
Document 06813, Revision F, 07-JAN-10, Dataram Corporation © 2010 Page 8
SERIAL PRESENCE DETECT MATRIX
Byte# Function. Value Hex
0 Number of Bytes Utilized by Module Manufacturer 128 bytes 0x80
1
Total number of Bytes in Serial PD device
256 bytes 0x08
2
Memory Type
DDR2 SDRAM 0x08
3
Number of Row Addresses
14 0x0E
4
Number of Column Addresses
10 0x0A
Module Attributes - Number of Ranks, Package and Height 0x61
# of Ranks - 2
5 Card on Card - No
DRAM Package - Planar
Module Height - 30mm
6
Module Data Width.
64 0x40
7
Reserved
UNUSED 0x00
8
Voltage Interface Level of this assembly
SSTL/1.8V 0x05
9
SDRAM Cycle time. (Max. Supported CAS Latency). CL=X (tCK) ns
3 0x30
10
SDRAM Access from Clock. (Highest CAS latency). (tAC) ns
0.45 0x45
11
DIMM configuration type (Non-parity, Parity or ECC)
None 0x00
12
Refresh Rate/Type (us)
7.8 (SR) 0x82
13
Primary SDRAM Width
8 0x08
14
Error Checking SDRAM Width
None 0x00
15
Reserved
UNUSED 0x00
SDRAM Device Attributes: Burst Lengths Supported
0x0C
TBD -
TBD -
Burst Length = 4 - X
Burst Length = 8 - X
TBD -
TBD -
TBD -
16
TBD -
17 SDRAM Device Attributes - Number of Banks on SDRAM Device 4 0x04
SDRAM Device Attributes: CAS Latency 0x38
Latency = 2 -
Latency = 3 - X
18
Latency = 4 - X