Datasheet
DTM64305C
2GB - 240-Pin 2Rx8 Registered ECC DDR3 DIMM
Document 06536, Revision A, 7-May-09, Dataram Corporation © 2009 Page 9
Bit 7. CL = 11 -
15 CAS Latencies Supported, Most Significant Byte. 0x00
Bit 0. CL = 12 -
Bit 1. CL = 13 -
Bit 2. CL =14 -
Bit 3. CL = 15 -
Bit 4. CL = 16 -
Bit 5. CL = 17 -
Bit 6. CL = 18 -
Bit 7. Reserved.
16 Minimum CAS Latency Time (tAAmin). 13.125ns 0x69
17 Minimum Write Recovery Time (tWRmin). 15.0ns 0x78
18 Minimum RAS# to CAS# Delay Time (tRCDmin). 13.125ns 0x69
19 Minimum Row Active to Row Active Delay Time (tRRDmin). 7.5ns 0x3C
20 Minimum Row Precharge Delay Time (tRPmin). 13.125ns 0x69
21 Upper Nibbles for tRAS and tRC. 0x11
Bit 3 ~ Bit 0. tRAS Most Significant Nibble - 1
Bit 7 ~ Bit 4. tRC Most Significant Nibble - 1
22 Minimum Active to Precharge Delay Time (tRASmin), Least
Significant Byte.
37.5ns 0x2C
23 Minimum Active to Active/Refresh Delay Time (tRCmin), Least
Significant Byte.
50.625ns 0x95
24 Minimum Refresh Recovery Delay Time (tRFCmin), Least
Significant Byte.
110.0ns 0x70
25 Minimum Refresh Recovery Delay Time (tRFCmin), Most
Significant Byte.
110.0ns 0x03
26 Minimum Internal Write to Read Command Delay Time
(tWTRmin).
7.5ns 0x3C
27 Minimum Internal Read to Precharge Command Delay Time
(tRTPmin).
7.5ns 0x3C
28 Upper Nibble for tFAW. 0x01
Bit 3 ~ Bit 0. tFAW Most Significant Nibble - 1
Bit 7 ~ Bit 4. Reserved - 0
29 Minimum Four Activate Window Delay Time (tFAWmin), Least
Significant Byte.
300 0x2C
30 SDRAM Optional Features. 0x82
Bit 0. RZQ / 6 -
Bit 1. RZQ / 7 - X
Bit 6 ~ Bit 2. Reserved -
Bit 7. DLL-Off Mode Support
31 SDRAM Drivers Supported. 0x05
Extended Temperature Range - X
Extended Temperature Refresh Rate -
Auto Self Refresh (ASR) - X
On-die Thermal Sensor (ODTS) Readout -
Reserved -
Reserved -
Reserved -
Reserved -