nt1gt64u8hb0by Nanya Techology, nt1gt64u8hb0by Datasheet - Page 13

• 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 --
128Mx64 1 RANK UNBUFFERED DDR2 SDRAM DIMM based on 64Mx8, 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
) (ns)
QHS
)
) (ns)
) (ns)
RFC
Part 2 of 2 (1GB)
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
12.75˚C 15.07˚C
17.39˚C 18.54˚C
18.54˚C
8.11˚C
4.64˚C
4.98˚C
3.25˚C
-37B
95˚C
0.40
0˚C
0.3
Module Part Number in ASCII
13
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
Manufacturing Code
SPD Entry Value
8.69˚C
3.82˚C
1.2˚C
5.8˚C
5.8˚C
Checksum data
95˚C
60.0
0.24
0.34
-3C
Undefined
61˚C/W
NANYA
0.81˚C
1.04˚C
105ns
8.0ns
N/A
1.2
00
00
00
00
19.7˚C
-25D
17.96˚C
20.28˚C
9.74˚C
5.91˚C
6.95˚C
4.52˚C
95˚C
0.30
0˚C
0.2
-25C
57.5
-37B
1E
4B
4B
28
50
2F
22
41
40
23
26
Serial PD Data Entry
7F7F7F0B00000000
© NANYA TECHNOLOGY CORP.
(Hexadecimal)
-3C
3C
3A
4D
4C
00
18
22
53
53
27
26
3F
69
80
00
7A
37
2A
00
00
00
00
12
--
--
--
-25D
28
41
1E
3C
5B
5C
14
50
63
2F
29
-25C
30
39
5D
Note
1