參數(shù)資料
型號: HB52E648EN
廠商: Hitachi,Ltd.
英文描述: 512 MB Unbuffered SDRAM DIMM(512 MB 未緩沖同步DRAM DIMM)
中文描述: 512 MB的無緩沖SDRAM的內(nèi)存(512 MB的未緩沖同步的DRAM內(nèi)存)
文件頁數(shù): 2/29頁
文件大小: 134K
代理商: HB52E648EN
HB52E648EN/HB52E649EN-A6B/B6B
2
Data bus width :
×
64 Non parity (HB52E648EN)
:
×
72 ECC (HB52E649EN)
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
2 variations of burst sequence
Sequential
Interleave
Programmable
CE
latency
: 2/3 (HB52E648EN/52E649EN-A6B)
: 3 (HB52E648EN/52E649EN-B6B)
Byte control by DQMB
Refresh cycles: 8192 refresh cycles/64 ms
2 variations of refresh
Auto refresh
Self refresh
Ordering Information
Type No.
Frequency
CE
latency
Package
Contact pad
HB52E648EN- A6B
HB52E648EN- B6B
100 MHz
100 MHz
2/ 3
3
168- pin dual lead out soc ket ty pe
Gol d
HB52E649EN- A6B
HB52E649EN- B6B
100 MHz
100 MHz
2/ 3
3
Pin Arrangement
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
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
HB52E649E12-A6B 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
HB52E649E12-B6B 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
HB52E649E12 512 MB Registered SDRAM DIMM(512 MB 寄存同步DRAM DIMM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HB52E648EN-A6B 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512 MB Unbuffered SDRAM DIMM, 100 MHz Memory Bus
HB52E648EN-B6B 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512 MB Unbuffered SDRAM DIMM, 100 MHz Memory Bus
HB52E649E12 制造商:ELPIDA 制造商全稱: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
HB52E649E12-A6B 制造商:ELPIDA 制造商全稱: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
HB52E649E12-B6B 制造商:ELPIDA 制造商全稱: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