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NT256D64S8HA0G-6 Datasheet, PDF (11/13 Pages) List of Unclassifed Manufacturers – 184pin Two Bank Unbuffered DDR SDRAM MODULE
NT256D64S8HA0G-6
256MB : 32M x 64
PC2700 Unbuffered DIMM
Serial Presence Detect
Byte
Description
SPD Entry Value
-6
0 Number of Serial PD Bytes Written during Production
128
1 Total Number of Bytes in Serial PD device
256
2 Fundamental Memory Type
SDRAM DDR
3 Number of Row Addresses on Assembly
12
4 Number of Column Addresses on Assembly
10
5 Number of DIMM Bank
2
6. Data Width of Assembly
X64
7 Data Width of Assembly (cont’)
X64
8 Voltage Interface Level of this Assembly
SSTL 2.5V
9 SDRAM Device Cycle Time at CL=2.5
6ns
10 SDRAM Device Access Time from Clock at CL=2.5
0.7ns
11 DIMM Configuration Type
Non-Parity
12 Refresh Rate/Type
15.6µs / SR
13 Primary SDRAM Width
X8
14 Error Checking SDRAM Device Width
N/A
SDRAM Device Attributes :
15
Minimum Clock Delay, Random Column Access
1 Clock
16 SDRAM Device Attributes: Burst Length Supported
2,4,8
17 SDRAM Device Attributes: Number of Device Banks
4
18 SDRAM Device Attributes: CAS Latency
2, 2.5
19 SDRAM Device Attributes: CS Latency
0
20 SDRAM Device Attributes: WE Latency
1
21 SDRAM Module Attributes
Differential Clock
22 SDRAM Device Attributes: General
+/-0.2V Voltage Tolerance
23 Minimum Clock Cycle at CL=2
7.5ns
24 Maximum Data Access Time from Clock at CL=2
± 0.7ns
25 Minimum Clock Cycle Time at CL=1
N/A
26 Maximum Data Access Time from Clock at CL=1
N/A
27 Minimum Row Precharge Time (tRP)
18ns
28 Minimum Row Active to Row Active delay (tRRD)
12ns
29 Minimum RAS to CAS delay (tRCD)
18ns
30 Minimum RAS Pulse Width (tRAS)
42ns
31 Module Bank Density
128MB
32 Address and Command Setup Time Before Clock
0.75ns
33 Address and Command Hold Time After Clock
0.75ns
34 Data Input Setup Time Before Clock
0.45ns
35 Data Input Hold Time After Clock
0.45ns
36-61 Reserved
Undefined
62 SPD Revision
0
63 Checksum Data
64-71 Manufacturer’s JEDED ID Code
NANYA
72 Module Manufacturing Location
N/A
73-90 Module Part number
N/A
N/A
N/A
91-92 Module Revision Code
N/A
93-94 Module Manufacturing Data
Year / Week Code
95-98 Module Serial Number
Serial Number
99-255 Reserved
Undefined
1. yy= Binary coded decimal year code, 0-99(Decimal), 00-63(Hex)
2. ww= Binary coded decimal year code, 01-52(Decimal), 01-34(Hex)
Serial PD Data Entry
(Hexadecimal)
-6
80
08
07
0C
0A
02
40
00
04
60
70
00
80
08
00
01
0E
04
0C
01
02
20
00
75
70
00
00
48
30
48
2A
20
75
75
45
45
00
00
E8
7F7F7F0B00000000
00
00
00
00
00
yy/ww
00
00
Note
1,2
Preliminary, 11/2001
11
© NANYA TECHNOLOGY CORP.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.