參數(shù)資料
型號(hào)： HB52R329E2
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)： 31/67頁(yè)
文件大小： 630K
代理商： HB52R329E2
HB52R329E2-D
31
To [DESL], [NOP]:
These commands continue read operations until the burst operation is completed, and
the SDRAM module then enters precharge mode.
To [ACTV]:
This command makes other banks bank active. (However, an interval of t
RRD
is required.)
Attempting to make the currently active bank active results in an illegal command.
From WRITE state, command operation
To [DESL], [NOP]:
These commands continue write operations until the burst operation is completed.
To [BST]:
This command stops a full-page burst.
To [READ], [READ A]:
These commands stop a burst and start a read cycle.
To [WRIT], [WRIT A]:
These commands stop a burst and start the next write cycle.
To [ACTV]:
This command makes the other bank active. (However, an interval of t
RRD
is required.)
Attempting to make the currently active bank active results in an illegal command.
To [PRE], [PALL]:
These commands stop burst write and the SDRAM module then enters precharge
mode.
From WRITE with AUTO-PRECHARGE state, command operation
To [DESL], [NOP]:
These commands continue write operations until the burst is completed, and the
SDRAM module enters precharge mode.
To [ACTV]:
This command makes the other bank active. (However, an interval of t
RRD
is required.)
Attempting to make the currently active bank active results in an illegal command.
From REFRESH state, command operation
To [DESL], [NOP], [BST]:
After an auto-refresh cycle (after t
RC
), the SDRAM module automatically
enters the IDLE state.
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HB52RD168DB 128 MB Unbuffered SDRAM S.O.DIMM(128MB 未緩沖同步DRAM DIMM)
HB52RD328DC 256 MB Unbuffered SDRAM S.O.DIMM(256 MB 未緩沖同步DRAM S.O.DIMM)
HB52RF1289E2-75B x72 SDRAM Module
HB52RF1289E2 1 GB Registered SDRAM DIMM 128-Mword 】 72-bit, 133 MHz Memory Bus, 2-Bank Module (36 pcs of 64 M 】 4 Components) PC133 SDRAM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HB52R329E22-A6F 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:x72 SDRAM Module
HB52R329E22-B6F 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:x72 SDRAM Module
HB52R329E22-F 制造商:ELPIDA 制造商全稱(chēng):Elpida Memory 功能描述:256 MB Registered SDRAM DIMM 32-Mword × 72-bit, 100 MHz Memory Bus, 2-Bank Module (36 pcs of 16 M × 4 Components) PC100 SDRAM
HB52R329E2-B6 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:x72 SDRAM Module
HB52R649E1U-A6B 制造商:ELPIDA 制造商全稱(chēng):Elpida Memory 功能描述: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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