NT128S64VH8C0GM 查看數據表（PDF） - Nanya Technology
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NT128S64VH8C0GM
Nanya Technology
NT128S64VH8C0GM Datasheet PDF : 12 Pages
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NT128S64VH8C0GM
128MB : 16M x 64
SDRAM SODIMM
Serial Presence Detect -- Part 1 of 2
32Mx64 SDRAM SODIMM based on 8Mx16, 4Banks, 4K Refresh, 3.3V SDRAMs with SPD
Byte
Description
0 Number of Serial PD Bytes Written during Production
1 Total Number of Bytes in Serial PD device
2 Fundamental Memory Type
3 Number of Row Addresses on Assembly
4 Number of Column Addresses on Assembly
5 Number of DIMM Bank
6 Data Width of Assembly
7 Data Width of Assembly (cont’)
8 Voltage Interface Level of this Assembly
9 SDRAM Device Cycle Time at CL=3
10 SDRAM Device Access Time from Clock at CL=3
11 DIMM Configuration Type
12 Refresh Rate/Type
13 Primary SDRAM Width
14 Error Checking SDRAM Device Width
SDRAM Device Attributes :
15
Minimum Clock Delay, Random Column Access
16 SDRAM Device Attributes: Burst Length Supported
17 SDRAM Device Attributes: Number of Device Banks
18 SDRAM Device Attributes: CAS Latency
19 SDRAM Device Attributes: CS Latency
20 SDRAM Device Attributes: WE Latency
21 SDRAM Module Attributes
22 SDRAM Device Attributes: General
23
24
25
26
27
28
29
30
31
32
33
34
35
36-61
62
63
Minimum Clock Cycle at CL=2
Maximum Data Access Time from Clock at CL=2
Minimum Clock Cycle Time at CL=1
Maximum Data Access Time from Clock at CL=1
Minimum Row Precharge Time (tRP)
Minimum Row Active to Row Active delay (tRRD)
Minimum RAS to CAS delay (tRCD)
Minimum RAS Pulse Width (tRAS)
Module Bank Density
Address and Command Setup Time Before Clock
Address and Command Hold Time After Clock
Data Input Setup Time Before Clock
Data Input Hold Time After Clock
Reserved
SPD Revision
Checksum for bytes 0 - 62
SPD Entry Value
-7K
-75B
-8B
128
256
SDRAM
12
9
2
X64
X64
LVTTL
7ns 7.5ns 8ns
5.4ns 5.4ns 6ns
Non-Parity
15.625µs / SR
X16
N/A
1 Clock
1,2,4,8
4
2, 3
2, 3
2, 3
0
0
Unbuffered
Wr-1/Rd Burst, Precharge All,
Auto-Precharge, VDD +/-
10%
7.5ns 10ns 10ns
5.4ns 6ns
6ns
N/A
N/A
15ns 20ns 20ns
15ns 15ns 20ns
15ns 20ns 20ns
45ns 45ns 50ns
64MB
1.5ns 1.5ns 2ns
0.8ns 0.8ns 1ns
1.5ns 1.5ns 2ns
0.8ns 0.8ns 1ns
Undefined
1.2
1.2
1.2
Serial PD Data Entry
(Hexadecimal)
-7K
-75
-8B
80
08
04
0C
09
02
40
00
01
70
75
80
54
54
60
00
80
10
00
01
0F
04
06
06
06
01
01
00
0E
75
A0
A0
54
60
60
00
00
0F
14
14
0F
0F
14
0F
14
14
2D
2D
32
10
15
15
20
08
08
10
15
15
20
08
08
10
00
12
12
12
E1
27
6E
Note
PRELIMINARY July /2001
10
© NANYA TECHNOLOGY CORP.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
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