參數(shù)資料
型號(hào): IBMN612804GT3B
廠商: IBM Microeletronics
英文描述: 128Mb Double Data Rate Synchronous DRAM(128M位高速CMOS同步動(dòng)態(tài)RAM(采用雙數(shù)據(jù)速率結(jié)構(gòu)))
中文描述: 128Mb的雙數(shù)據(jù)速率同步DRAM(128兆位高速的CMOS同步動(dòng)態(tài)隨機(jī)存儲(chǔ)器(采用雙數(shù)據(jù)速率結(jié)構(gòu)))
文件頁(yè)數(shù): 65/79頁(yè)
文件大?。?/td> 1324K
代理商: IBMN612804GT3B
I
I
P
1
0
1
U
P
I
t
IH
200
μ
s
t
IS
t
IH
t
IS
t
IH
t
IS
CODE
t
IH
t
IS
t
IH
t
IS
CODE
t
IH
t
IS
NOP
t
IH
t
IS
t
MRD
t
RFC
t
RFC
t
RP
t
MRD
t
MRD
t
CL
t
CK
t
CH
t
VTD
PRE
EMRS
MRS
PRE
AR
AR
MRS
ACT
CODE
CODE
RA
CODE
CODE
RA
BA0=L
BA1=L
BA0=L
BA1=L
BA
High-Z
High-Z
Power-up:
V
DD
and CK
stable
Extended Mode
Register Set
Load Mode
Register, Reset DLL
Load Mode
Register
(with A8 = L)
V
DD
V
DDQ
V
TT
(System
*
)
V
REF
CK
CK
CKE
Command
DM
A0-A9, A11
A10
BA0, BA1
DQS
DQ
LVCMOS LOW LEVEL
ALL BANKS
BA0=H
BA1=L
ALL BANKS
*
V
is not applied directly to the device, however t
must be
greater than or equal to zero to avoid device latchup.
**
t
is required before any command can be applied and
200 cycles of CK are required before a Read command can be applied.
The two Autorefresh commands may be moved to follow the first MRS,
but precede the second Precharge All command.
Don’t Care
200 cycles of CK
**
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IBMN625404GT3B 256Mb Double Data Rate Synchronous DRAM(256M位雙數(shù)據(jù)速率同步動(dòng)態(tài)RAM)
IBMN625804GT3B 256Mb Double Data Rate Synchronous DRAM(256M位雙數(shù)據(jù)速率同步動(dòng)態(tài)RAM)
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