參數(shù)資料
型號： HM5225165B-75
廠商： Elpida Memory, Inc.
英文描述： Ultra-High-Precision SOT23 Series Voltage Reference
中文描述： 256M LVTTL接口SDRAM的133 MHz/100 MHz的4 Mword】16位】4-bank/8-Mword】8位】4銀行/ 16 Mword】4位】4銀行PC/133，電腦/ 100內(nèi)存
文件頁數(shù)： 30/63頁
文件大?。?/td> 462K
代理商： HM5225165B-75
HM5225165B/HM5225805B/HM5225405B-75/A6/B6
Data Sheet E0082H10
30
Write command to Read command interval:
1. Same bank, same ROW address:
When the read command is executed at the same ROW address of the
same bank as the preceding write command, the read command can be performed after an interval of no less
than 1 clock. However, in the case of a burst write, data will continue to be written until one clock before the
read command is executed.
WRITE to READ Command Interval (1)
CLK
Command
Din
WRIT
READ
in A0
out B1
out B2
out B3
out B0
Dout
Column = A
Write
Column = B
Read
Column = B
Dout
CAS
Latency
DQM,
DQMU/DQML
Burst Write Mode
CAS
Latency = 2
Burst Length = 4
Bank 0
WRITE to READ Command Interval (2)
CLK
Command
Din
WRIT
READ
in A0
out B1
out B2
out B3
out B0
Dout
Column = A
Write
Column = B
Read
Column = B
Dout
CAS
Latency
in A1
DQM,
DQMU/DQML
Burst Write Mode
CAS
Latency = 2
Burst Length = 4
Bank 0
2. Same bank, different ROW address:
When the ROW address changes, consecutive read commands
cannot be executed; it is necessary to separate the two commands with a precharge command and a bank-
active command.
3. Different bank:
When the bank changes, the read command can be performed after an interval of no less
than 1 clock, provided that the other bank is in the bank-active state. However, in the case of a burst write,
data will continue to be written until one clock before the read command is executed (as in the case of the
same bank and the same address).
相關(guān)PDF資料
PDF描述
HM5225165B-A6 256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5225165B-B6 256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5225165BLTT-75 256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5225165BLTT-A6 256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5225805B-75 Circular Connector; No. of Contacts:11; Series:; Body Material:Aluminum; Connecting Termination:Solder; Connector Shell Size:18; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:18-11
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HM5225165B-A6 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5225165B-B6 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5225165BLTT-75 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5225165BLTT-A6 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5225165BLTT-B6 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
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