参数资料
型号: GM72V66841CLT
厂商: Electronic Theatre Controls, Inc.
英文描述: 2,097,152 WORD x 8 BIT x 4 BANK SYNCHRONOUS DYNAMIC RAM
中文描述: 2097152字× 8位× 4个银行同步动态RAM
文件页数: 10/57页
文件大小: 592K
代理商: GM72V66841CLT
LG Semicon
GM72V66841CT/CLT
Function Truth Table (Continued)
Current
state
Precharge
CS
RAS
CAS
WE
Address
H
X
X
X
X
L
H
H
H
X
L
H
H
L
X
L
H
L
H
BA, CA, A10
L
H
L
L
BA, CA, A10
L
L
H
H
BA, RA
L
L
H
L
BA, A10
L
L
L
H
X
L
L
L
L
MODE
Command
Operation
DESL
NOP
BST
READ/READ A
WRIT/WRIT A
ACTV
PRE, PALL
REF, SELF
MRS
NOP
NOP
NOP
ILLEGAL
ILLEGAL
Bank and row active
NOP
Refresh
Mode register set
L
L
L
H
X
L
L
L
L
MODE
REF, SELF
MRS
ILLEGAL
ILLEGAL
Idle
Row active
H
X
X
X
X
L
H
H
H
X
L
H
H
L
X
L
H
L
H
BA, CA, A10
L
L
H
H
BA, RA
L
L
H
L
BA, A10
L
L
L
H
X
DESL
NOP
BST
READ/READ A
ACTV
PRE, PALL
REF, SELF
NOP
NOP
NOP
Begin read
Precharge
ILLEGAL
L
L
L
L
MODE
MRS
ILLEGAL
L
H
L
L
BA, CA, A10 WRIT/WRIT A
Begin write
Other bank active
ILLEGAL on same bank
9
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GM72V66841CT 2,097,152 WORD x 8 BIT x 4 BANK SYNCHRONOUS DYNAMIC RAM
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