參數(shù)資料
型號： HYB25D512800AT-8
英文描述： ?512Mb (64Mx8) DDR200 (2-2-2)?
中文描述： ？的512Mb（64Mx8）DDR200（2-2-2）？
文件頁數(shù)： 18/76頁
文件大小： 1218K
代理商： HYB25D512800AT-8
HYB25D128400/800/160AT(L)
128-Mbit Double Data Rate SDRAM
Page 18 of 76
2002-05-06
Operations
Bank/Row Activation
Before any Read or
W
rite commands can be issued to a bank within the DDR SDRAM, a row in that bank
must be “opened” (activated). This is accomplished via the Active command and addresses A0-A11, BA0 and
BA1 (see Activating a Specific Row in a Specific Bank), which decode and select both the bank and the row
to be activated. After opening a row (issuing an Active command), a Read or
W
rite command may be issued
to that row, sub
j
ect to the t
RCD
specification. A subsequent Active command to a different row in the same
bank can only be issued after the previous active row has been “closed” (precharged). The minimum time
interval between successive Active commands to the same bank is defined by t
RC
. A subsequent Active com-
mand to another bank can be issued while the first bank is being accessed, which results in a reduction of
total row-access overhead. The minimum time interval between successive Active commands to different
banks is defined by t
RRD
.
Activating a Specific Row in a Specific Bank
RA
BA
H
I
GH
RA = row address.
BA = bank address.
CK
CK
CK
E
CS
RAS
CAS
WE
A0-A11
BA0, BA1
Don’t Care
相關(guān)PDF資料
PDF描述
HYB25M128160C-653 RAMBUS DRAM
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HYB25M128160C-840 RAMBUS DRAM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HYB25D512800CE-5 功能描述:IC DDR SDRAM 512MBIT 66TSOP RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:60 系列:- 格式 - 存儲器:EEPROMs - 串行 存儲器類型:EEPROM 存儲容量:16K (2K x 8) 速度:2MHz 接口:SPI 3 線串行 電源電壓:2.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設(shè)備封裝:8-PDIP 包裝:管件 產(chǎn)品目錄頁面:1449 (CN2011-ZH PDF)
HYB25D512800CE-6 功能描述:IC DDR SDRAM 512MBIT 66TSOP RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:60 系列:- 格式 - 存儲器:EEPROMs - 串行 存儲器類型:EEPROM 存儲容量:16K (2K x 8) 速度:2MHz 接口:SPI 3 線串行 電源電壓:2.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設(shè)備封裝:8-PDIP 包裝:管件 產(chǎn)品目錄頁面:1449 (CN2011-ZH PDF)
HYB25DC512160CE-5 制造商:Infineon Technologies AG 功能描述: 制造商:QIMONDA 功能描述:
HYB25L256160AC-7.5 制造商:Infineon Technologies AG 功能描述:
HYB25L512160AC-7.5 制造商:Rochester Electronics LLC 功能描述:- Bulk
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