參數(shù)資料
型號: μPD45D128164
廠商: NEC Corp.
英文描述: 128 M-bit Synchronous DRAM with Double Data Rate(128 同步動態(tài)RAM)
中文描述: 128 M位同步雙數(shù)據(jù)速率(128同步動態(tài)RAM的內(nèi)存)
文件頁數(shù): 40/80頁
文件大?。?/td> 637K
代理商: ΜPD45D128164
40
μ
PD45D128442, 45D128842, 45D128164
Preliminary Data Sheet
13.6.2 Timing Diagram
t
CK
t
DQSCK
t
DQSV
t
DQSCK
t
CH
t
CL
t
IS
t
IH
t
IS
t
IH
t
IS
t
IH
t
IS
t
IH
Valid
Valid
t
RPRE
Valid
t
AC
t
DV
t
AC
t
DV
t
DQSQ
t
RPST
t
QSCK
t
DQSCK
t
DQSV
Valid
Valid
Valid
Valid
Valid
t
DQSQ
t
DH,
t
DMH
t
DS,
t
DMS
t
WPST
Valid
Valid
t
RPST
t
AC
t
DV
t
AC
t
DQSQ
t
DQSQ
t
DV
t
WPRES
t
WPREH
t
DQSS
CLK
DQS
(Output)
(CL = 2.5)
DQ
(Output)
(CL = 2.5)
/CLK
Command
(Input)
Address
(Input)
DQS
(Output)
(CL = 2)
DQ
(Output)
(CL = 2)
DQS
(Input)
DQ and DM
(Input)
V
REF
+ 0.35 V
V
REF
- 0.35 V
t
CKSK
V
REF
V
TT
V
TT
V
TT
V
TT
V
REF
+ 0.35 V
V
REF
- 0.35 V
V
REF
+ 0.35 V
V
REF
- 0.35 V
V
REF
+ 0.35 V
V
REF
- 0.35 V
V
REF
+ 0.35 V
V
REF
- 0.35 V
V
REF
V
REF
t
RPRE
t
WPRE
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PDF描述
μPD45D128442 128 M-bit Synchronous DRAM with Double Data Rate(128 同步動態(tài)RAM)
μPD45D128842 128 M-bit Synchronous DRAM with Double Data Rate(128 同步動態(tài)RAM)
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