參數(shù)資料
型號(hào)： HYB25D256160CC-5
廠商： INFINEON TECHNOLOGIES AG
英文描述： 256 Mbit Double Data Rate SDRAM
中文描述： 256兆雙倍數(shù)據(jù)速率SDRAM
文件頁數(shù)： 51/94頁
文件大?。?/td> 3326K
代理商： HYB25D256160CC-5
Data Sheet
55
Rev. 1.6, 2004-12
HYB25D256[16/40/80]0C[E/C/F/T](L)
256 Mbit Double-Data-Rate SDRAM
Functional Description
3.5.4
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) will be available for a subsequent row access some specified time (
t
RP) after the Precharge command 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.
Figure 30
Precharge Command
BA
HIGH
BA = bank address
CK
CKE
CS
RAS
CAS
WE
A10
BA0, BA1
Don’t Care
All Banks
One Bank
(if A10 is Low, otherwise Don’t Care).
A0-A9, A11, A12
相關(guān)PDF資料
PDF描述
HYB25S256160AC-7.5 16M X 16 SYNCHRONOUS DRAM, 7.5 ns, PBGA54
HYB39S128160TEL-37 MEMORY SPECTRUM
HYB39S128160TEL-5 MEMORY SPECTRUM
HYB39S128160TEL-7 MEMORY SPECTRUM
HYB39S128160TEL-75 MEMORY SPECTRUM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HYB25D256160CC-6 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:256 Mbit Double Data Rate SDRAM
HYB25D256160CE-5 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:256-Mbit Double-Data-Rate SDRAM
HYB25D256160CE-5A 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:256-Mbit Double-Data-Rate SDRAM
HYB25D256160CE-6 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:256-Mbit Double-Data-Rate SDRAM
HYB25D256160CEL-6 制造商:QIMONDA 制造商全稱:QIMONDA 功能描述:256-Mbit Double-Data-Rate SDRAM
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