參數(shù)資料
型號(hào): HB52E88EM
廠(chǎng)商: Hitachi,Ltd.
英文描述: 64 MB Unbuffered SDRAM DIMM(64MB 未緩沖同步DRAM DIMM)
中文描述: 64 MB的無(wú)緩沖SDRAM的內(nèi)存(64MB的未緩沖同步的DRAM內(nèi)存)
文件頁(yè)數(shù): 8/64頁(yè)
文件大?。?/td> 2741K
代理商: HB52E88EM
HB52E88EM-F, HB52E89EM-F, HB52E168EN-F, HB52E169EN-F
8
4
Number of column addresses
bits
Number of banks
(HB52E88EM/89EM)
(HB52E168EN/169EN)
Module data width
(HB52E88EM/168EN)
(HB52E89EM/169EN)
Module data width
(continued)
Module interface signal levels 0
SDRAM cycle time
(highest CE latency)
10 ns
SDRAM access from Clock
(highest CE latency)
6 ns
Module configuration type
(HB52E88EM/168EN)
(HB52E89EM/169EN)
Refresh rate/type
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
0
0
1
0
0
0
0
0
0
0
0
1
0
01
A0
LVTTL
CL = 3
1
10
0
1
1
0
0
0
0
0
60
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
(HB52E88EM/168EN)
(HB52E89EM/169EN)
SDRAM device attributes:
minimum clock delay for
back-to-back random column
addresses
SDRAM device attributes:
Burst lengths supported
SDRAM device attributes:
number of banks on SDRAM
device
SDRAM device attributes:
CE latency
(-A6F)
SDRAM device attributes:
CE latency
(-B6F)
SDRAM device attributes:
S latency
SDRAM device attributes:
W latency
SDRAM module attributes
SDRAM device attributes:
General
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
4
17
0
0
0
0
0
1
0
0
04
18
0
0
0
0
0
1
1
0
06
2, 3
0
0
0
0
0
1
0
0
04
3
19
0
0
0
0
0
0
0
1
01
0
20
0
0
0
0
0
0
0
1
01
0
21
22
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
0
00
0E
Non buffer
V
CC
±
10%
Byte
No.
Function described
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value Comments
相關(guān)PDF資料
PDF描述
HB52E89EM 64 MB Unbuffered SDRAM DIMM(64MB 未緩沖同步DRAM DIMM)
HB52E169E12 128 MB Registered SDRAM DIMM(128 MB 寄存同步DRAM DIMM)
HB52E648EN 512 MB Unbuffered SDRAM DIMM(512 MB 未緩沖同步DRAM DIMM)
HB52E649EN 512 MB Unbuffered SDRAM DIMM(512 MB 未緩沖同步DRAM DIMM)
HB52E649E12 THERMISTOR, NTC; Series:B575; Thermistor type:NTC; Resistance:10kR; Tolerance, resistance:+/-1%; Beta value:3450; Temperature, lower limit, beta value:0(degree C); Temperature, upper limit, beta value:100(degree C); Temp, op. RoHS Compliant: Yes
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