參數(shù)資料
型號(hào)： HYB25D256160BTL-7F
廠商： INFINEON TECHNOLOGIES AG
英文描述： 256-Mbit Double Data Rate SDRAM, Die Rev. B
中文描述： 256兆雙倍數(shù)據(jù)速率SDRAM，模具版本B
文件頁(yè)數(shù)： 44/77頁(yè)
文件大?。?/td> 1779K
代理商： HYB25D256160BTL-7F
HYB25D256[400/800/160]B[T/C](L)
256-Mbit Double Data Rate SDRAM, Die Rev. B
Page 44 of 77
2003-01-09, V1.1
Precharge
The Precharge command is used to deactivate the open row in a particular bank or the open row in all banks.
The bank(s) is available for a subsequent row access some specified time (t
RP
) after the Precharge com-
mand is issued. Input A10 determines whether one or all banks are to be precharged, and in the case where
only one bank is to be precharged, inputs BA0, BA1 select the bank. When all banks are to be precharged,
inputs BA0, BA1 are treated as “Don’t Care.” Once a bank has been precharged, it is in the idle state and
must be activated prior to any Read or Write commands being issued to that bank.
Precharge Command
BA
HIGH
BA = bank address
(if A10 is Low, otherwise Don’t Care).
CK
CK
CKE
CS
RAS
CAS
WE
A10
BA0, BA1
Don’t Care
All Banks
One Bank
A0-A9, A11, A12
相關(guān)PDF資料
PDF描述
HYB25D256160BTL-8 256-Mbit Double Data Rate SDRAM, Die Rev. B
HYB25D256400BC-7F 256-Mbit Double Data Rate SDRAM, Die Rev. B
HYB25D256400BC-8 256-Mbit Double Data Rate SDRAM, Die Rev. B
HYB25D256160CC-6 256 Mbit Double Data Rate SDRAM
HYB25D256160CT-5 256 Mbit Double Data Rate SDRAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HYB25D256160BTL-8 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:256 Mbit Double Data Rate SDRAM
HYB25D256160CC-5 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:256-Mbit Double-Data-Rate SDRAM
HYB25D256160CC-6 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:256 Mbit Double Data Rate SDRAM
HYB25D256160CE-5 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:256-Mbit Double-Data-Rate SDRAM
HYB25D256160CE-5A 制造商:QIMONDA 制造商全稱(chēng):QIMONDA 功能描述:256-Mbit Double-Data-Rate SDRAM
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