參數(shù)資料
型號(hào)： HB52RF329E2
廠商： Hitachi,Ltd.
英文描述： 256 MB Registered SDRAM DIMM(256 MB 寄存同步DRAM DIMM)
中文描述： 注冊(cè)使用256 MB SDRAM的內(nèi)存（256 MB的寄存同步的DRAM內(nèi)存）
文件頁(yè)數(shù)： 39/64頁(yè)
文件大?。?/td> 869K
代理商： HB52RF329E2
HB52RF329E2-75F
39
Write command to Write command interval:
1. Same bank, same ROW address:
When another write command is executed at the same ROW address
of the same bank as the preceding write command, the second write can be performed after an interval of no
less than 1 clock. In the case of burst writes, the second write command has priority.
WRITE to WRITE Command Interval
(same ROW address in same bank)
CK
Command
Din
in B3
Address
in B1
in B2
BA
ACTV
Row
Column A
WRIT
WRIT
Column B
in A0
in B0
Bank0
Active
Column =A
Write
Column =B
Write
Burst Write Mode
Burst Length = 4
Bank 0
2. Same bank, different ROW address:
When the ROW address changes, consecutive write commands
cannot be executed; it is necessary to separate the two write commands with a precharge command and a
bank-active command.
3. Different bank:
When the bank changes, the second write can be performed after an interval of no less
than 1 clock, provided that the other bank is in the bank-active state. In the case of burst write, the second
write command has priority.
WRITE to WRITE Command Interval
(different bank)
CK
Command
Din
in B3
Address
in B1
in B2
BA
ACTV
Row 0
Row 1
ACTV
WRIT
Column A
in A0
in B0
Bank0
Active
Bank3
Active
Bank0
Write
Bank3
Write
WRIT
Column B
Burst Write Mode
Burst Length = 4
相關(guān)PDF資料
PDF描述
HB52RF648DC-B 512 MB Unbuffered SDRAM S.O.DIMM 64-Mword 】 64-bit, 133/100 MHz Memory Bus, 2-Bank Module (16 pcs of 32 M 】 8 components) PC133/100 SDRAM
HB52RD648DC-B 512 MB Unbuffered SDRAM S.O.DIMM 64-Mword 】 64-bit, 133/100 MHz Memory Bus, 2-Bank Module (16 pcs of 32 M 】 8 components) PC133/100 SDRAM
HB52RF649DC 512MB Unbuffered SDRAM S.O.DIMM
HB52RD649DC-A6B 512MB Unbuffered SDRAM S.O.DIMM
HB52RD649DC-A6BL 512MB Unbuffered SDRAM S.O.DIMM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HB52RF329E2-75F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x72 SDRAM Module
HB52RF648DC-75B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x64 SDRAM Module
HB52RF648DC-75BL 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x64 SDRAM Module
HB52RF648DC-B 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512 MB Unbuffered SDRAM S.O.DIMM 64-Mword 】 64-bit, 133/100 MHz Memory Bus, 2-Bank Module (16 pcs of 32 M 】 8 components) PC133/100 SDRAM
HB52RF649DC 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512MB Unbuffered SDRAM S.O.DIMM
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