參數(shù)資料
型號: HB52F168EN
廠商: Hitachi,Ltd.
英文描述: 64 MB Unbuffered SDRAM DIMM(64 MB 未緩沖同步DRAM DIMM)
中文描述: 64 MB的無緩沖SDRAM的內(nèi)存(64 MB的未緩沖同步的DRAM內(nèi)存)
文件頁數(shù): 10/71頁
文件大小: 906K
代理商: HB52F168EN
HB52F88EM-75F, HB52F89EM-75F, HB52F168EN-75F, HB52F169EN-
10
Serial PD Matrix*
1
Byte
No.
0
Function described
Number of bytes used by
module manufacturer
Total SPD memory size
Memory type
Number of row addresses
bits
Number of column addresses
bits
Number of banks
(HB52F88EM/89EM)
(HB52F168EN/169EN)
Module data width
(HB52F88EM/168EN)
(HB52F89EM/169EN)
Module data width
(continued)
Module interface signal levels 0
SDRAM cycle time
(highest CE latency)
7.5 ns
SDRAM access from Clock
(highest CE latency)
5.4 ns
Module configuration type
(HB52F88EM/168EN)
(HB52F89EM/169EN)
Refresh rate/type
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value
1
0
0
0
0
Com-
ments
128
0
0
0
80
1
2
3
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
1
0
0
0
0
0
0
08
04
0C
256 byte
SDRAM
12
4
0
0
0
0
1
0
0
1
09
9
5
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
01
02
1
2
6
0
0
0
1
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
40
48
00
64
72
0 (+)
7
8
9
0
1
0
1
0
1
0
0
0
1
0
0
1
1
01
75
LVTTL
CL = 3
0
10
0
1
0
1
0
1
0
0
54
11
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
00
02
80
Non parity
ECC
Normal
(15.625
μ
s)
Self refresh
8M
×
8
12
13
14
SDRAM width
Error checking SDRAM width
(HB52F88EM/168EN)
(HB52F89EM/169EN)
SDRAM device attributes:
minimum clock delay for
back-to-back random column
addresses
SDRAM device attributes:
Burst lengths supported
0
0
0
0
1
0
0
0
08
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
00
08
01
×
8
1 CLK
15
16
1
0
0
0
1
1
1
1
8F
1, 2, 4, 8,
full page
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