參數(shù)資料
型號: HB54A2568KN-A75B
廠商: ELPIDA MEMORY INC
元件分類: DRAM
英文描述: 256MB DDR SDRAM S.O.DIMM
中文描述: 32M X 64 DDR DRAM MODULE, 0.75 ns, DMA200
封裝: SODIMM-200
文件頁數(shù): 7/16頁
文件大小: 514K
代理商: HB54A2568KN-A75B
HB54A2568KN-A75B/B75B/10B
Preliminary Data Sheet E0148H20 (Ver. 2.0)
7
Byte No.
Function described
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value
Comments
63
Checksum for bytes 0 to 62
-A75B
-B75B
1
0
0
1
1
1
0
0
9C
156
1
1
0
0
1
1
0
0
CC
204
-10B
0
1
1
1
1
0
1
1
7B
123
64
Manufacturer’s JEDEC ID code
0
0
0
0
0
1
1
1
07
HITACHI
65 to 71
Manufacturer’s JEDEC ID code
0
0
0
0
0
0
0
0
00
*
2
(ASCII-8bit
code)
72
Manufacturing location
×
×
×
×
×
×
×
×
××
73
Module part number
0
1
0
0
1
0
0
0
48
H
74
Module part number
0
1
0
0
0
0
1
0
42
B
75
Module part number
0
0
1
1
0
1
0
1
35
5
76
Module part number
0
0
1
1
0
1
0
0
34
4
77
Module part number
0
1
0
0
0
0
0
1
41
A
78
Module part number
0
0
1
1
0
0
1
0
32
2
79
Module part number
0
0
1
1
0
1
0
1
35
5
80
Module part number
0
0
1
1
0
1
1
0
36
6
81
Module part number
0
0
1
1
1
0
0
0
38
8
82
Module part number
0
1
0
0
1
0
1
1
4B
K
83
Module part number
0
1
0
0
1
1
1
0
4E
N
84
Module part number
0
0
1
0
1
1
0
1
2D
85
Module part number
-A75B
0
1
0
0
0
0
0
1
41
A
-B75B
0
1
0
0
0
0
1
0
42
B
-10B
0
0
1
1
0
0
0
1
31
1
86
Module part number
-A75B/B75B
0
0
1
1
0
1
1
1
37
7
-10B
0
0
1
1
0
0
0
0
30
0
87
Module part number
-A75B/B75B
-10B
0
0
1
1
0
1
0
1
35
5
0
1
0
0
0
0
1
0
42
B
88
Module part number
-A75B/B75B
0
1
0
0
0
0
1
0
42
B
-10B
0
0
1
0
0
0
0
0
20
(Space)
89 to 90
Module part number
0
0
1
0
0
0
0
0
20
(Space)
91
Revision code
0
0
1
1
0
0
0
0
30
Initial
92
Revision code
0
0
1
0
0
0
0
0
20
(Space)
93
Manufacturing date
×
×
×
×
×
×
×
×
××
Year code
(BCD)
Week code
(BCD)
94
Manufacturing date
×
×
×
×
×
×
×
×
××
95 to 98
Module serial number
*
3
99 to 127
Manufacturer specific data
*
4
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