參數(shù)資料
型號(hào)： HB52E169E12
廠商： Hitachi,Ltd.
英文描述： 128 MB Registered SDRAM DIMM(128 MB 寄存同步DRAM DIMM)
中文描述： 128 MB的注冊(cè)SDRAM的內(nèi)存（128 MB的寄存同步的DRAM內(nèi)存）
文件頁(yè)數(shù)： 19/53頁(yè)
文件大?。?/td> 1737K
代理商： HB52E169E12
HB52E169E12-F
19
Function Truth Table
The following table shows the operations that are performed when each command is issued in each mode of
the SDRAM module. The following table assumes that CKE is high.
Current state
Precharge
S
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
RE
×
H
H
H
H
L
L
L
L
×
H
H
H
H
L
L
L
L
×
H
H
H
H
L
CE
×
H
H
L
L
H
H
L
L
×
H
H
L
L
H
H
L
L
×
H
H
L
L
H
W
×
H
L
H
L
H
L
H
L
×
H
L
H
L
H
L
H
L
×
H
L
H
L
H
Address
×
×
×
BA, CA, A10 READ/READ A ILLEGAL*
4
BA, CA, A10 WRIT/WRIT A
BA, RA
ACTV
BA, A10
PRE, PALL
×
REF, SELF
MODE
MRS
×
DESL
×
NOP
×
BST
BA, CA, A10 READ/READ A ILLEGAL*
5
BA, CA, A10 WRIT/WRIT A
BA, RA
ACTV
BA, A10
PRE, PALL
×
REF, SELF
MODE
MRS
×
DESL
×
NOP
×
BST
BA, CA, A10 READ/READ A Begin read
BA, CA, A10 WRIT/WRIT A
BA, RA
ACTV
Command
DESL
NOP
BST
Operation
Enter IDLE after t
RP
Enter IDLE after t
RP
NOP
ILLEGAL*
4
ILLEGAL*
4
NOP*
6
ILLEGAL
ILLEGAL
NOP
NOP
NOP
Idle
ILLEGAL*
5
Bank and row active
NOP
Refresh
Mode register set
NOP
NOP
NOP
Row active
Begin write
Other bank active
ILLEGAL on same bank*
3
Precharge
ILLEGAL
ILLEGAL
L
L
L
L
L
L
H
L
L
L
H
L
BA, A10
×
MODE
PRE, PALL
REF, SELF
MRS
相關(guān)PDF資料
PDF描述
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
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
HB52E649E12-B6B 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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HB52E169E1-B6 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x72 SDRAM Module
HB52E169EN-B6 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x72 SDRAM Module
HB52E328EM-A6B 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256MB Unbuffered SDRAM DIMM
HB52E328EM-B6B 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256MB Unbuffered SDRAM DIMM
HB52E329EM-A6B 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256MB Unbuffered SDRAM DIMM
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