參數(shù)資料
型號: HB52F169E1
廠商: Hitachi,Ltd.
英文描述: 128 MB Registered SDRAM DIMM(128 MB 寄存同步DRAM DIMM)
中文描述: 128 MB的注冊SDRAM的內(nèi)存(128 MB的寄存同步的DRAM內(nèi)存)
文件頁數(shù): 7/57頁
文件大小: 870K
代理商: HB52F169E1
HB52F169E1-75F
7
Byte
No.
22
Function described
SDRAM device attributes:
General
SDRAM cycle time
(2nd highest CE latency)
10 ns
SDRAM access from Clock
(2nd highest CE latency)
6 ns
SDRAM cycle time
(3rd highest CE latency)
Undefined
SDRAM access from Clock
(3rd highest CE latency)
Undefined
Minimum row precharge time
Row active to row active min
RE to CE delay min
Minimum RE pulse width
Density of each bank on module 0
Address and command signal
input setup time
Address and command signal
input hold time
Data signal input setup time
Data signal input hold time
36 to 61 Superset information
62
SPD data revision code
63
Checksum for bytes 0 to 62
64
Manufacturer’s JEDEC ID code 0
65 to 71 Manufacturer’s JEDEC ID code 0
72
Manufacturing location
Bit
7
0
Bit
6
0
Bit
5
0
Bit
4
0
Bit
3
1
Bit
2
1
Bit
1
1
Bit
0
0
Hex val-
ue
0E
Comments
V
CC
±
10%
23
1
0
1
0
0
0
0
0
A0
CL = 2
24
0
1
1
0
0
0
0
0
60
*
5
25
0
0
0
0
0
0
0
0
00
26
0
0
0
0
0
0
0
0
00
27
28
29
30
31
32
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0
1
0
0
1
0
1
0
1
0
0
1
1
1
1
0
1
0
1
0
0
0
0
0
1
0
1
0
1
14
0F
14
2D
20
15
20 ns
15 ns
20 ns
45 ns
128M byte
1.5 ns*
5
0
33
0
0
0
0
1
0
0
0
08
0.8 ns*
5
34
35
0
0
0
0
1
0
0
0
0
0
0
0
×
0
0
0
0
1
0
0
×
1
0
0
0
1
0
0
×
0
1
0
0
1
0
0
×
1
0
0
0
1
1
0
×
0
0
0
1
1
1
0
×
1
0
0
0
1
1
0
×
15
08
00
02
BF
07
00
××
1.5 ns*
5
0.8 ns*
5
Future use
JEDEC2
191
HITACHI
×
*
2
(ASCII-
8bit code)
H
B
5
2
F
1
6
73
74
75
76
77
78
79
Manufacturer’s part number
Manufacturer’s part number
Manufacturer’s part number
Manufacturer’s part number
Manufacturer’s part number
Manufacturer’s part number
Manufacturer’s part
0
0
0
0
0
0
0
1
1
0
0
1
0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
1
1
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
1
0
1
0
0
1
0
0
1
0
48
42
35
32
46
31
36
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