參數(shù)資料
型號(hào): HB52D48GB
廠商: Hitachi,Ltd.
英文描述: 32 MB Unbuffered SDRAM Micro DIMM(32MB 未緩沖同步DRAM DIMM)
中文描述: 32兆微型無(wú)緩沖SDRAM的內(nèi)存(32MB的未緩沖同步的DRAM內(nèi)存)
文件頁(yè)數(shù): 6/24頁(yè)
文件大小: 95K
代理商: HB52D48GB
HB52D48GB-F
6
Byte No. Function described
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value Comments
20
SDRAM device attributes:
W
latency
0
0
0
0
0
0
0
1
01
0
21
SDRAM module attributes
0
0
0
0
0
0
0
0
00
Unbuffer
22
SDRAM device attributes:
General
0
0
0
0
1
1
1
0
0E
V
CC
±
10%
23
SDRAM cycle time
(2nd highest
CE
latency)
(-A6F/A6FL) 10 ns
1
0
1
0
0
0
0
0
A0
CL = 2
(-B6F/B6FL) 15 ns
1
1
1
1
0
0
0
0
F0
24
SDRAM access from Clock
(2nd highest
CE
latency)
(-A6F/A6FL) 6 ns
0
1
1
0
0
0
0
0
60
(-B6F/B6FL) 8 ns
1
0
0
0
0
0
0
0
80
25
SDRAM cycle time
(3rd highest
CE
latency)
Undefined
0
0
0
0
0
0
0
0
00
26
SDRAM access from Clock
(3rd highest
CE
latency)
Undefined
0
0
0
0
0
0
0
0
00
27
Minimum row precharge time
0
0
0
1
0
1
0
0
14
20 ns
28
Row active to row active min
RE
to
CE
delay min
Minimum
RE
pulse width
0
0
0
1
0
1
0
0
14
20 ns
29
0
0
0
1
0
1
0
0
14
20 ns
30
0
0
1
1
0
0
1
0
32
50 ns
31
Density of each bank on
module
0
0
0
0
1
0
0
0
08
32M byte
32
Address and command signal
input setup time
0
0
1
0
0
0
0
0
20
2 ns
33
Address and command signal
input hold time
0
0
0
1
0
0
0
0
10
1 ns
34
Data signal input setup time
0
0
1
0
0
0
0
0
20
2 ns
35
Data signal input hold time
0
0
0
1
0
0
0
0
10
1 ns
36 to 61 Superset information
0
0
0
0
0
0
0
0
00
Future use
62
SPD data revision code
0
0
0
1
0
0
1
0
12
Rev. 1.2A
63
Checksum for bytes 0 to 62
(-A6F/A6FL)
0
0
0
0
0
1
0
0
04
4
(-B6F/B6FL)
0
1
1
1
0
1
0
0
74
116
64
Manuf act ur er’ s JEDEC ID c ode
0
0
0
0
0
1
1
1
07
HITACHI
65 to 71 Manuf act ur er’ s JEDEC ID c ode
0
0
0
0
0
0
0
0
00
72
Manufacturing location
×
×
×
×
×
×
×
×
××
*
3
(ASCII-
8bit code)
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參數(shù)描述
HB52D48GB-A6F 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:x64 SDRAM Module
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HB52D48GB-B6FL 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:x64 SDRAM Module
HB52D48GB-F 制造商:ELPIDA 制造商全稱(chēng):Elpida Memory 功能描述:32 MB Unbuffered SDRAM Micro DIMM 4-Mword × 64-bit, 100 MHz Memory Bus, 1-Bank Module (4 pcs of 4 M × 16 components) PC100 SDRAM