參數(shù)資料
型號: HB52E89EM
廠商: 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的無緩沖SDRAM的內(nèi)存(64MB的未緩沖同步的DRAM內(nèi)存)
文件頁數(shù): 58/64頁
文件大?。?/td> 2741K
代理商: HB52E89EM
HB52E88EM-F, HB52E89EM-F, HB52E168EN-F, HB52E169EN-F
58
Read/Burst Write Cycle
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N
2
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a+1 a+2 a+3
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1
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1
2
3
4
5
6
7
8
9
10
11
12
J
13
14
15
16
17
18
19
20
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C:a
R:b
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R:a
C:a
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a+1
a
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PI
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Bank 0
Active
Bank 0
Read
Bank 0
Write
Bank 0
Precharge
Read/Burst write
RE
-
CE
delay = 3
CE
latency = 3
Burst length = 4
= V or V
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Bank 3
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CKE
RE
S
CE
W
BA
Address
DQMB
CK
CKE
RE
S
CE
W
BA
Address
DQMB
a+1 a+2 a+3
a
a+3
a
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2
3
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;
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3
4
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Bank 0
Active
Bank 0
Read
Bank 3
Active
Clock
suspend
Bank 0
Write
Bank 0
Precharge
Bank 3
Precharge
&
'
.
/
6
7
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"
V
IH
IL
Din
Dout
Din
Dout
相關(guān)PDF資料
PDF描述
HB52E169E12 128 MB Registered SDRAM DIMM(128 MB 寄存同步DRAM DIMM)
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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
HB52E649E12-A6B 512 MB Registered SDRAM DIMM 64-Mword 】 72-bit, 100 MHz Memory Bus, 1-Bank Module (18 pcs of 64 M 】 4 Components) PC100 SDRAM
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