參數(shù)資料
型號: EDS5108ABTA-6B
廠商: ELPIDA MEMORY INC
元件分類: DRAM
英文描述: 512M bits SDRAM
中文描述: 64M X 8 SYNCHRONOUS DRAM, 5 ns, PDSO54
封裝: PLASTIC, TSOP2-54
文件頁數(shù): 18/52頁
文件大?。?/td> 564K
代理商: EDS5108ABTA-6B
EDS5104ABTA, EDS5108ABTA, EDS5116ABTA
Preliminary Data Sheet E0250E10 (Ver. 1.0)
18
Function Truth Table
The following table shows the operations that are performed when each command is issued in each mode of the
SDRAM.
The following table assumes that CKE is high.
Current state
/CS
/RAS
/CAS
/WE
Address
Command
Operation
Precharge
H
×
×
×
×
DESL
Enter IDLE after tRP
L
H
H
H
×
NOP
Enter IDLE after tRP
L
H
H
L
×
BST
ILLEGAL
L
H
L
H
BA, CA, A10
READ/READA
ILLEGAL*
3
L
H
L
L
BA, CA, A10
WRIT/WRITA
ILLEGAL*
3
L
L
H
H
BA, RA
ACT
ILLEGAL*
3
L
L
H
L
BA, A10
PRE, PALL
NOP*
5
L
L
L
H
×
REF, SELF
ILLEGAL
L
L
L
L
MODE
MRS
ILLEGAL
Idle
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*
4
L
H
L
L
BA, CA, A10
WRIT/WRITA
ILLEGAL*
4
L
L
H
H
BA, RA
ACT
Bank and row active
L
L
H
L
BA, A10
PRE, PALL
NOP
L
L
L
H
×
REF, SELF
Refresh
L
L
L
L
MODE
MRS
Mode register set*
8
Row active
H
×
×
×
×
DESL
NOP
L
H
H
H
×
NOP
NOP
L
H
H
L
×
BST
ILLEGAL
L
H
L
H
BA, CA, A10
READ/READA
Begin read*
6
L
H
L
L
BA, CA, A10
WRIT/WRITA
Begin write*
6
Other bank active
ILLEGAL on same bank*
2
Precharge*
7
L
L
H
H
BA, RA
ACT
L
L
H
L
BA, A10
PRE, PALL
L
L
L
H
×
REF, SELF
ILLEGAL
L
L
L
L
MODE
MRS
ILLEGAL
Read
H
×
×
×
×
DESL
Continue burst to end
L
H
H
H
×
NOP
Continue burst to end
L
H
H
L
×
BST
Burst stop
Continue burst read to /CAS
latency and New read
Term burst read/start write
Other bank active
ILLEGAL on same bank*
2
Term burst read and Precharge
L
H
L
H
BA, CA, A10
READ/READA
L
H
L
L
BA, CA, A10
WRIT/WRITA
L
L
H
H
BA, RA
ACT
L
L
H
L
BA, A10
PRE, PALL
L
L
L
H
×
REF, SELF
ILLEGAL
L
L
L
L
MODE
MRS
ILLEGAL
相關(guān)PDF資料
PDF描述
EDS5104ABTA-75 512M bits SDRAM
EDS5108ABTA-75 512M bits SDRAM
EDS5104ABTA-7A 512M bits SDRAM
EDS5108ABTA-7A 512M bits SDRAM
EDS5108ABTA 512M bits SDRAM
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參數(shù)描述
EDS5108ABTA-75 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512M bits SDRAM
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EDS5116ABTA-75 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:512M bits SDRAM