Datasheet

DTM63344E
2 GB, 240-Pin Unbuffered ECC DDR2 DIMM
Document 06513, Revision A, 13-MAR-09, Dataram Corporation © 2009 Page 10
44 SDRAM Dev DQS-DQ Skew for DQS & DQ signals (tDQSQ) (ns) 0.24 0x18
45 DDR SDRAM Device Read Data Hold Skew Factor (tQHS) (ns) 0.34 0x22
46 PLL Relock Time (us) UNUSED 0x00
47 DRAM maximun Case Temperature Delta. (Degree C). 0x00
DT4R4W Delta (Bits 0:3) - 0
Tcasemax delta (Bits 7:4) - 0
48 Thermal Resistance of DRAM Package from Top (Case) to Ambient (
Psi T-A DRAM ). (C/Watt)
UNUSED 0x00
49 DRAM Case Temperature Rise from Ambient due to Activate-Precharge/
Mode Bits (DT0/Mode Bits). (Degree C).
0x00
Bit 0. If "0" Do not need double refresh rate for the proper operation
-
0
Bit 1. If "0" DRAM does not support high temperature self-refresh
entry -
0
DT0, (Bits 2:7) - 0
50 DRAM Case Temperature Rise from Ambient due to
Precharge/Quiet Standby (DT2N/DT2Q). (Degree C).
UNUSED 0x00
51 DRAM Case Temperature Rise from Ambient due to Precharge
Power-Down (DT2P). (Degree C).
UNUSED 0x00
52 DRAM Case Temperature Rise from Ambient due to Active Standby
(DT3N). (Degree C).
UNUSED 0x00
53 DRAM Case temperature Rise from Ambient due to Active Power-
Down with Fast PDN Exit (DT3Pfast). (Degree C).
UNUSED 0x00
54 DRAM Case temperature Rise from Ambient due to Active Power-
Down with Slow PDN Exit (DT3Pslow). (Degree C).
UNUSED 0x00
55 DRAM Case Temperature Rise from Ambient due to Page Open Burst Read/DT4R4W
Mode Bit (DT4R/DT4R4W Mode Bit). (Degree C).
0x00
Bit 0. "0" if DT4W is greater than DT4R - 0
DT4R, ( Bits 1:7 ) - 0
56 DRAM Case Temperature Rise from Ambient due to Burst Refresh
(DT5B). (Degree C).
UNUSED 0x00
57 DRAM Case Temperature Rise from Ambient due to Bank Interleave
Reads with Auto-Precharge (DT7). (Degree C).
UNUSED 0x00
58 Thermal Resistance of PLL Package from Top to Ambient (Psi T-A
PLL). (C/Watt).
UNUSED 0x00
59 Thermal Resistance of Register Package from Top to Ambient ( Psi
T-A Register). (C/Watt).
UNUSED 0x00
60 PLL Case Temperature Rise from Ambient due to PLL Active (DT
PLL Active). (Degree C).
UNUSED 0x00
61 Register Case Temperature Rise from Ambient due to Register Active/Mode Bit (DT
Register Active/Mode Bit).
0x00
Bit 0.If "0"Unit for Bits 2:7 is 0.75C - 0.75
Bit 1. RFU. Default: 0 - 0
Register Active,( Bits 2:7 ) - 0