參數(shù)資料
型號(hào)： HB52E88EM
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(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)： 30/64頁(yè)
文件大?。?/td> 2741K
代理商： HB52E88EM
HB52E88EM-F, HB52E89EM-F, HB52E168EN-F, HB52E169EN-F
30
Idle
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
×
H
H
H
H
L
L
L
L
×
H
H
H
H
L
×
H
H
L
L
H
H
L
L
×
H
H
L
L
H
×
H
L
H
L
H
L
H
L
×
H
L
H
L
H
×
×
×
BA, CA, A10 READ/READ A
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
BA, CA, A10 WRIT/WRIT A
BA, RA
ACTV
DESL
NOP
BST
NOP
NOP
NOP
ILLEGAL*
5
ILLEGAL*
5
Bank and row active
NOP
Refresh
Mode register set
NOP
NOP
NOP
Begin read
Begin write
Other bank active
ILLEGAL on same bank*
3
Precharge
ILLEGAL
ILLEGAL
Continue burst to end
Continue burst to end
Burst stop to full page
Continue burst read to CE
latency and New read
Term burst read/start write
Other bank active
ILLEGAL on same bank*
3
Term burst read and
Precharge
ILLEGAL
ILLEGAL
Continue burst to end and
precharge
Continue burst to end and
precharge
ILLEGAL
ILLEGAL*
4
ILLEGAL*
4
Other bank active
ILLEGAL on same bank*
3
ILLEGAL*
4
ILLEGAL
ILLEGAL
Row active
L
L
L
H
L
L
L
L
L
L
×
H
H
H
H
L
L
×
H
H
L
L
H
L
×
H
L
H
BA, A10
×
MODE
×
×
×
BA, CA, A10 READ/READ A
PRE, PALL
REF, SELF
MRS
DESL
NOP
BST
Read
L
L
H
L
L
H
L
H
BA, CA, A10 WRIT/WRIT A
BA, RA
ACTV
L
L
H
L
BA, A10
PRE, PALL
L
L
H
L
L
×
L
L
×
H
L
×
×
MODE
×
REF, SELF
MRS
DESL
Read with auto-
precharge
L
H
H
H
×
NOP
L
L
L
L
H
H
H
L
H
L
L
H
L
H
L
H
×
BA, CA, A10 READ/READ A
BA, CA, A10 WRIT/WRIT A
BA, RA
ACTV
BST
L
L
L
L
L
L
H
L
L
L
H
L
BA, A10
×
MODE
PRE, PALL
REF, SELF
MRS
Current state
S
RE
CE
W
Address
Command
Operation
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HB52E88EM-B6 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x64 SDRAM Module
HB52E89E1P-B6 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x72 SDRAM Module
HB52E89EM-B6 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x72 SDRAM Module
HB52F168GB-75B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x64 SDRAM Module
HB52F168GB-75BL 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x64 SDRAM Module
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