参数资料
型号: V54C3128404VBLF8PC
厂商: PROMOS TECHNOLOGIES INC
元件分类: DRAM
英文描述: 32M X 4 SYNCHRONOUS DRAM, 6 ns, PBGA60
封装: LEAD FREE, MO-210, FBGA-60
文件页数: 46/54页
文件大小: 693K
代理商: V54C3128404VBLF8PC
50
V54C3128(16/80/40)4VB Rev.1.2 January 2005
ProMOS TECHNOLOGIES
V54C3128(16/80/40)4VB
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
2
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
ILLEGAL
2
NOP
4
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
2
ILLEGAL
2
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
ILLEGAL
2
ILLEGAL
2
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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