參數(shù)資料
型號(hào): V54C3256404VDUS7
廠商: PROMOS TECHNOLOGIES INC
元件分類(lèi): DRAM
英文描述: 64M X 4 SYNCHRONOUS DRAM, 5.4 ns, PBGA60
封裝: MO-210, FBGA-60
文件頁(yè)數(shù): 47/56頁(yè)
文件大?。?/td> 719K
代理商: V54C3256404VDUS7
51
V54C3256(16/80/40)4VD Rev. 1.9 August 2008
ProMOS TECHNOLOGIES
V54C3256(16/80/40)4VD
SDRAM Function Truth Table (continued)
CURRENT
STATE1
CS
RAS
CAS
WE
BS
Addr
ACTION
Write
with
Auto
Precharge
H
L
X
H
L
X
H
L
H
L
X
H
L
H
L
H
L
X
BS
X
BS
X
AP
X
NOP (Continue Burst to End;> Precharge)
ILLEGAL2
ILLEGAL
ILLEGAL2
ILLEGAL
Precharging
H
L
X
H
L
X
H
L
H
L
X
H
L
X
H
L
X
BS
X
AP
X
NOP;> Idle after tRP
ILLEGAL2
NOP4
ILLEGAL
Row
Activating
H
L
X
H
L
X
H
L
H
L
X
H
L
X
H
L
X
BS
X
AP
X
NOP;> Row Active after tRCD
ILLEGAL2
ILLEGAL
Write
Recovering
H
L
X
H
L
X
H
L
H
L
X
H
L
X
H
L
X
BS
X
AP
X
NOP
ILLEGAL2
ILLEGAL
Refreshing
H
L
X
H
L
X
H
L
H
L
X
H
L
X
NOP;> Idle after tRC
ILLEGAL
Mode
Register
Accessing
H
L
X
H
L
X
H
L
X
H
L
X
NOP
ILLEGAL
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