參數(shù)資料
型號(hào): HB52F89EM
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: HB52F89EM
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
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
HB52R1289E22-B6B 1 GB Registered SDRAM DIMM 1 GB Registered SDRAM DIMM (36 pcs of 64 M 】 4 Components) PC100 SDRAM
HB52R1289E22 1 GB Registered SDRAM DIMM(1GB 寄存同步DRAM DIMM)
HB52R168DB 128 MB Unbuffered SDRAM S.O.DIMM(128 MB 未緩沖同步DRAM S.O.DIMM)
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