參數(shù)資料
型號(hào): EDD2508AKTA-5B-E
廠商: ELPIDA MEMORY INC
元件分類: DRAM
英文描述: 256M bits DDR SDRAM (32M words x 8 bits, DDR400)
中文描述: 32M X 8 DDR DRAM, 0.7 ns, PDSO66
封裝: ROHS COMPLIANT, PLASTIC, TSOP2-66
文件頁數(shù): 16/48頁
文件大小: 551K
代理商: EDD2508AKTA-5B-E
EDD2508AKTA-5-E
Preliminary Data Sheet E0609E20 (Ver. 2.0)
16
Current state
/CS
/RAS
/CAS /WE
Address
Command
Operation
Next state
Read*
6
H
×
×
×
×
DESL
NOP
Active
L
H
H
H
×
NOP
NOP
Active
L
H
H
L
×
BST
BST
Active
L
H
L
H
BA, CA, A10
READ/READA
Interrupting burst read
operation to
start new read
ILLEGAL*
13
Active
L
H
L
L
BA, CA, A10
WRIT/WRITA
L
L
H
H
BA, RA
ACT
ILLEGAL*
11
L
L
H
L
BA, A10
PRE, PALL
Interrupting burst
read operation to
start pre-charge
Precharging
Read with auto-pre-
charge*
L
L
L
×
×
ILLEGAL
H
×
×
×
×
DESL
NOP
Precharging
L
H
H
H
×
NOP
NOP
Precharging
L
H
H
L
×
BST
ILLEGAL
L
H
L
H
BA, CA, A10
READ/READA
ILLEGAL*
14
L
H
L
L
BA, CA, A10
WRIT/WRITA
ILLEGAL*
14
L
L
H
H
BA, RA
ACT
ILLEGAL*
11, 14
L
L
H
L
BA, A10
PRE, PALL
ILLEGAL*
11, 14
L
L
L
×
×
ILLEGAL
Write*
8
H
×
×
×
×
DESL
NOP
Write
recovering
Write
recovering
L
H
H
H
×
NOP
NOP
L
H
H
L
×
BST
ILLEGAL
L
H
L
H
BA, CA, A10
READ/READA
Interrupting burst write
operation to
start read operation.
Interrupting burst write
operation to
start new write
operation.
ILLEGAL*
11
Read/ReadA
L
H
L
L
BA, CA, A10
WRIT/WRITA
Write/WriteA
L
L
H
H
BA, RA
ACT
L
L
H
L
BA, A10
PRE, PALL
Interrupting write
operation to start pre-
charge.
Idle
L
L
L
×
×
ILLEGAL
Write recovering*
9
H
×
×
×
×
DESL
NOP
Active
L
H
H
H
×
NOP
NOP
Active
L
H
H
L
×
BST
ILLEGAL
L
H
L
H
BA, CA, A10
READ/READA
Starting read
operation.
Starting new write
operation.
ILLEGAL*
11
Read/ReadA
L
H
L
L
BA, CA, A10
WRIT/WRITA
Write/WriteA
L
L
H
H
BA, RA
ACT
L
L
H
L
BA, A10
PRE/PALL
ILLEGAL*
11
L
L
L
×
×
ILLEGAL
相關(guān)PDF資料
PDF描述
EDD2508AKTA-5C-E 256M bits DDR SDRAM (32M words x 8 bits, DDR400)
EDD2508AKTA-5 256M bits DDR SDRAM (32M words x 8 bits, DDR400)
EDD2508AKTA-5B 256M bits DDR SDRAM (32M words x 8 bits, DDR400)
EDD2508AKTA-5C 256M bits DDR SDRAM (32M words x 8 bits, DDR400)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EDD2508AKTA-5C 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM (32M words x 8 bits, DDR400)
EDD2508AKTA-5C-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM (32M words x 8 bits, DDR400)
EDD2508AKTA-5-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM (32M words x 8 bits, DDR400)
EDD2508AKTA-6B 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM
EDD2508AKTA-6B-E 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM