參數(shù)資料
型號(hào): V54C3128404VBGA
廠商: Mosel Vitelic, Corp.
英文描述: 128Mbit SDRAM 3.3 VOLT, BGA PACKAGE
中文描述: 128Mbit SDRAM的3.3伏,BGA封裝
文件頁(yè)數(shù): 42/45頁(yè)
文件大小: 871K
代理商: V54C3128404VBGA
42
V54C3128(16/80/40)4V(BGA) Rev. 1.2 September 2001
MOSEL VITELIC
V54C3128(16/80/40)4V(BGA)
SDRAM FUNCTION TRUTH TABLE(continued)
CURRENT
STATE
1
CS
RAS
CAS
WE
BS
Addr
ACTION
Write
with
Auto
Precharge
H
L
L
L
L
L
L
L
X
H
H
H
H
L
L
L
X
H
H
L
L
H
H
L
X
H
L
H
L
H
L
X
X
X
BS
BS
X
BS
BS
X
X
X
X
X
X
X
AP
X
NOP (Continue Burst to End;> Precharge)
NOP (Continue Burst to End;> Precharge)
ILLEGAL
2
ILLEGAL
2
ILLEGAL
ILLEGAL
2
ILLEGAL
2
ILLEGAL
Precharging
H
L
L
L
L
L
L
X
H
H
H
L
L
L
X
H
H
L
H
H
L
X
H
L
X
H
L
X
X
X
BS
BS
BS
BS
X
X
X
X
X
X
AP
X
NOP;> Idle after tRP
NOP;> Idle after tRP
ILLEGAL
2
ILLEGAL
2
ILLEGAL
2
NOP
4
ILLEGAL
Row
Activating
H
L
L
L
L
L
L
X
H
H
H
L
L
L
X
H
H
L
H
H
L
X
H
L
X
H
L
X
X
X
BS
BS
BS
BS
X
X
X
X
X
X
AP
X
NOP;> Row Active after tRCD
NOP;> Row Active after tRCD
ILLEGAL
2
ILLEGAL
2
ILLEGAL
2
ILLEGAL
2
ILLEGAL
Write
Recovering
H
L
L
L
L
L
L
X
H
H
H
L
L
L
X
H
H
L
H
H
L
X
H
L
X
H
L
X
X
X
BS
BS
BS
BS
X
X
X
X
X
X
AP
X
NOP
NOP
ILLEGAL
2
ILLEGAL
2
ILLEGAL
2
ILLEGAL
2
ILLEGAL
Refreshing
H
L
L
L
L
L
X
H
H
H
L
L
X
H
H
L
H
L
X
H
L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
NOP;> Idle after tRC
NOP;> Idle after tRC
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Mode
Register
Accessing
H
L
L
L
L
X
H
H
H
L
X
H
H
L
X
X
H
L
X
X
X
X
X
X
X
X
X
X
X
X
NOP
NOP
ILLEGAL
ILLEGAL
ILLEGAL
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