參數(shù)資料
型號(hào): EDD51321CBH-7ETT-E
廠商: ELPIDA MEMORY INC
元件分類: DRAM
英文描述: 512M bits DDR SDRAM
中文描述: 16M X 32 SYNCHRONOUS DRAM, 6 ns, PBGA90
封裝: ROHS COMPLIANT, FBGA-90
文件頁(yè)數(shù): 16/55頁(yè)
文件大?。?/td> 589K
代理商: EDD51321CBH-7ETT-E
EDD51321CBH
Preliminary Data Sheet E1094E30 (Ver. 3.0)
16
Current state
/CS
/RAS /CAS /WE
Address
Command
Operation
Read*
6
H
×
×
×
×
DESL
NOP
L
H
H
H
×
NOP
NOP
L
H
H
L
×
BST
Burst stop
L
H
L
H
BA, CA, A10
READ/READA
Interrupting burst read
operation to
start new read
ILLEGAL*
13
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
Read with auto pre-
charge*
7
L
L
L
×
×
ILLEGAL
H
×
×
×
×
DESL
NOP
L
H
H
H
×
NOP
NOP
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
L
H
H
H
×
NOP
NOP
L
H
H
L
×
BST
Burst Stop
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
L
H
L
L
BA, CA, A10
WRIT/WRITA
L
L
H
H
BA, RA
ACT
L
L
H
L
BA, A10
PRE, PALL
Interrupting write operation to
start pre-charge.
L
L
L
×
×
ILLEGAL
Write recovering*
9
H
×
×
×
×
DESL
NOP
L
H
H
H
×
NOP
NOP
L
H
H
L
×
BST
ILLEGAL
L
H
L
H
BA, CA, A10
READ/READA
Starting read operation.
L
H
L
L
BA, CA, A10
WRIT/WRITA
Starting new write operation.
L
L
H
H
BA, RA
ACT
ILLEGAL*
11
L
L
H
L
BA, A10
PRE/PALL
ILLEGAL*
11
L
L
L
×
×
ILLEGAL
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