參數(shù)資料
型號: HYB25D256400T-7
英文描述: DDR Synchronous DRAM
中文描述: DDR同步DRAM
文件頁數(shù): 5/76頁
文件大?。?/td> 1218K
代理商: HYB25D256400T-7
2002-05-06
Page 5 of 76
HYB25D128400/800/160AT(L)
128-Mbit Double Data Rate SDRAM
Block Diagram (32Mb x 4)
R
1
DQS
CK, CK
DLL
RAS
CAS
CK
CS
WE
CK
C
Column-Address
Counter/Latch
Mode
Registers
11
C
D
A0-A11,
BA0, BA1
CK
E
12
14
I/O
G
ating
DM Mask Logic
Array
(40
9
6 x 1024 x 8)
Sense Amplifiers
Bank1
Bank2
Bank3
12
10
1
2
2
R
4
4
4
RInput
1
1
1
1
1
8
8
2
8
clk
Data
Mask
Data
CK,
CK
COL0
COL0
COL0
clk
in
M
X
G
eDQS
4
4
4
4
4
8
DQ0-DQ3,
DM
DQS
1
R
W
rite
F&
Drivers
Note:
This Functional Block Diagram is intended to facilitate user understanding of the operation of
the device; it does not represent an actual circuit implementation.
Note:
DM is a unidirectional signal (input only), but is internally loaded to match the load of the bidi-
rectional DQ and DQS signals.
Column
Decoder
(x8)
R
X
1
8
9
2
B
R
&
40
9
6
A
D
B
14
相關(guān)PDF資料
PDF描述
HYB25D256400T-7.5 DDR Synchronous DRAM
HYB25D256400T-8 DDR Synchronous DRAM
HYB25D256800AT-7 ?256Mbit (32Mx8) DDR266A (2-3-3)?
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HYB25D256400T-7.5 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DDR Synchronous DRAM
HYB25D256400T-8 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DDR Synchronous DRAM
HYB25D256800AT-7 制造商:未知廠家 制造商全稱:未知廠家 功能描述:?256Mbit (32Mx8) DDR266A (2-3-3)?
HYB25D256800AT-7.5 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DDR Synchronous DRAM
HYB25D256800AT-8 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DDR Synchronous DRAM