參數(shù)資料
型號： UPD4564323G5-A10-9JH
廠商： NEC Corp.
英文描述： 64M-bit Synchronous DRAM 4-bank, LVTTL
中文描述： 6400位同步DRAM 4銀行，LVTTL
文件頁數(shù)： 15/84頁
文件大小： 1048K
代理商： UPD4564323G5-A10-9JH
Data Sheet M14376EJ2V0DS00
15
μ
PD4564323 for Rev.
E
(2/3)
Current state
/CS /RAS /CAS /WE
Address
Command
Action
Notes
Read with auto
H
×
×
×
×
DESL
Continue burst to end
→
Precharging
precharge
L
H
H
H
×
NOP
Continue burst to end
→
Precharging
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
ILLEGAL
3
L
L
L
H
×
REF/SELF
ILLEGAL
L
L
L
L
Op-Code
MRS
ILLEGAL
Write with auto
precharge
H
×
×
×
×
DESL
Continue burst to end
→
Write
recovering with auto precharge
L
H
H
H
×
NOP
Continue burst to end
→
Write
recovering with auto precharge
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
ILLEGAL
3
L
L
L
H
×
REF/SELF
ILLEGAL
L
L
L
L
Op-Code
MRS
ILLEGAL
Precharging
H
×
×
×
×
DESL
Nop
→
Enter idle after t
RP
L
H
H
H
×
NOP
Nop
→
Enter idle after t
RP
L
H
H
L
×
BST
ILLEGAL
L
H
L
H
BA, CA, A10
READ/READA
ILLEGAL
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
→
Enter idle after t
RP
L
L
L
H
×
REF/SELF
ILLEGAL
L
L
L
L
Op-Code
MRS
ILLEGAL
Row activating
H
×
×
×
×
DESL
Nop
→
Enter bank active after t
RCD
L
H
H
H
×
NOP
Nop
→
Enter bank active after t
RCD
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, 10
L
L
H
L
BA, A10
PRE/PALL
ILLEGAL
3
L
L
L
H
×
REF/SELF
ILLEGAL
L
L
L
L
Op-Code
MRS
ILLEGAL
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