參數(shù)資料
型號: HB52F88EM
廠商: Hitachi,Ltd.
英文描述: 64 MB Unbuffered SDRAM DIMM(64 MB 未緩沖同步DRAM DIMM)
中文描述: 64 MB的無緩沖SDRAM的內(nèi)存(64 MB的未緩沖同步的DRAM內(nèi)存)
文件頁數(shù): 2/71頁
文件大?。?/td> 906K
代理商: HB52F88EM
HB52F88EM-75F, HB52F89EM-75F, HB52F168EN-75F, HB52F169EN-
2
— Lead pitch: 1.27 mm
3.3 V power supply
Clock frequency: 133 MHz (max)
LVTTL interface
Data bus width:
×
64 Non parity (HB52F88EM/HB52F168EN)
:
×
72 ECC (HB52F89EM/HB52F169EN)
Single pulsed RAS
4 Banks can operates simultaneously and independently
Burst read/write operation and burst read/single write operation capability
Programmable burst length: 1/2/4/8/full page
2 variations of burst sequence
— Sequential
— Interleave
Programmable CE latency: 3 (133 MHz)
: 2 (100 MHz)
Byte control by DQMB
Refresh cycles: 4096 refresh cycles/64 ms
2 variations of refresh
— Auto refresh
— Self refresh
Full page burst length capability
— Sequential burst
— Burst stop capability
Ordering Information
Note:
1.100 MHz operation at CE latency = 2.
Pin Arrangement
Type No.
HB52F88EM-75F*
1
HB52F89EM-75F*
1
HB52F168EN-
75F*
1
HB52F169EN-
75F*
1
Frequency
133 Mhz
133 Mhz
133 Mhz
CE latency
3
3
3
Package
168-pin dual lead out socket type
Contact pad
Gold
133 Mhz
3
1 pin 10 pin11 pin
40 pin 41 pin
84 pin
85 pin 94 pin 95 pin
124 pin 125 pin
168 pin
相關(guān)PDF資料
PDF描述
HB52F168EN 64 MB Unbuffered SDRAM DIMM(64 MB 未緩沖同步DRAM DIMM)
HB52F169EN 64 MB Unbuffered SDRAM DIMM(64 MB 未緩沖同步DRAM DIMM)
HB52F89EM 64 MB Unbuffered SDRAM DIMM(64 MB 未緩沖同步DRAM DIMM)
HB52R1289E22 1 GB Registered SDRAM DIMM 1 GB Registered SDRAM DIMM (36 pcs of 64 M 】 4 Components) PC100 SDRAM
HB52R1289E22-A6B 1 GB Registered SDRAM DIMM 1 GB Registered SDRAM DIMM (36 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
HB52R1289E22 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:1 GB Registered SDRAM DIMM 1 GB Registered SDRAM DIMM (36 pcs of 64 M 】 4 Components) PC100 SDRAM
HB52R1289E22-A6B 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:1 GB Registered SDRAM DIMM 1 GB Registered SDRAM DIMM (36 pcs of 64 M 】 4 Components) PC100 SDRAM
HB52R1289E22-B6B 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:1 GB Registered SDRAM DIMM 1 GB Registered SDRAM DIMM (36 pcs of 64 M 】 4 Components) PC100 SDRAM
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