nt1gt64u8hb0by Nanya Techology, nt1gt64u8hb0by Datasheet - Page 9

• Manufacturer Part Number: nt1gt64u8hb0by
• Description: 256mb 32m X 64 / 512mb 64m X 64 / 1gb 128m X 64 Unbuffered Ddr2 Sdram Dimm
  
  
  
• Manufacturer: Nanya Techology

92-255 Reserved
64-71
73-91
Byte
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
72
NT256T64UH4B0FY / NT512T64U88B0BY / NT1GT64U8HB0BY
256MB: 32M x 64 / 512MB: 64M x 64 / 1GB: 128M x 64
Unbuffered DDR2 SDRAM DIMM
Serial Presence Detect --
32Mx64 1 BANK UNBUFFERED DDR2 SDRAM DIMM based on 32Mx16, 4Banks, 8K Refresh, 1.8V DDR2 SDRAMs with SPD
REV 1.2
03/2007
Extension of Byte 41 t
Minimum Core Cycle Time (t
Min. Auto Refresh Command Cycle Time (t
Maximum Clock Cycle Time (t
Max. DQS-DQ Skew Factor (t
Read Data Hold Skew Factor (t
PLL Relock Time
Tcasemax
DT4R4W Delta
Thermal Resistance of DRAM Package from Top (Case) to
Ambient (Psi-T-A DRAM)
DRAM Case Temperature Rise from Ambient due to
Activate-Precharge/Mode Bits (DT0/Mode Bits)
DRAM Case Temperature Rise from Ambient due to
Precharge/Quiet Standby (DT2N/DT2Q)
DRAM Case Temperature Rise from Ambient due to
Precharge Power-Down (DT2P)
DRAM Case Temperature Rise from Ambient due to Active
Standby (DT3N)
DRAM Case Temperature Rise from Ambient due to Active
Power-Down with Fast PDN Exit (DT3Pfast)
DRAM Case Temperature Rise from Ambient due to Active
Power-Down with Slow PDN Exit (DT3Pslow)
DRAM Case Temperature Rise from Ambient due to Page
Open Burst Read/DT4R4W Mode Bit (DT4R/DT4R4W
Mode Bit)
DRAM Case Temperature Rise from Ambient due to Burst
Refresh (ST5B)
DRAM Case Temperature Rise from Ambient due to Bank
interleave Reads with Auto-Precharge (DT7)
Thermal Resistance of PLL Package from Top (Case) to
Ambient (Psi T-A PLL)
Thermal Resistance of Register Package from Top (Case)
to Ambient (Psi T-A Register)
PLL Case Temperature Rise from Ambient due to PLL
Active (DT PLL Active)
Register Case Temperature Rise from Ambient due to
Register Active/Mode Bit (DT Register Active/Mode Bit)
SPD Reversion
Checksum for byte 0-62
Manufacture’s JEDEC ID Code
Module Manufacturing Location
Module Part number
RC
Description
and Byte 42 t
RC
DQS
CK
)
QHS
)
)
)
RFC
Part 2 of 2 (256MB)
RFC
)
00: The number below a decimal point
of tRC and tRFC are 0, tRFC is less
than 256ns. 30: The number below a
decimal point of tRC is 5, tRFC is less
than 256ns
12.33˚C 14.57˚C
16.82˚C 17.94˚C
17.94˚C 19.06˚C
7.85˚C
4.48˚C
4.82˚C
3.14˚C
-37B
95˚C
0˚C
Module Part Number in ASCII
0.30ns
0.40ns
9
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
Manufacturing Code
SPD Entry Value
60.0ns
8.41˚C
5.61˚C
5.61˚C
1.2˚C
3.7˚C
Checksum data
95˚C
-3C
Undefined
59˚C/W
NANYA
0.78˚C
1.01˚C
105ns
8.0ns
N/A
1.2
00
00
00
00
-25D
17.38˚C
19.62˚C
19.06˚C
0.20ns
0.30ns
9.42˚C
5.72˚C
6.73˚C
4.37˚C
95˚C
0˚C
57.5ns
-25C
-37B
1E
2D
3E
28
50
47
21
3F
22
24
06
Serial PD Data Entry
7F7F7F0B00000000
© NANYA TECHNOLOGY CORP.
(Hexadecimal)
-3C
3C
4A
4A
FA
00
18
22
53
4F
39
26
24
27
69
80
00
76
35
29
00
00
00
00
12
--
--
--
-25D
F9
1E
3A
2D
14
50
5F
58
58
28
27
-25C
30
39
15
Note
1