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): 15/80頁
文件大?。?/td> 637K
代理商: ΜPD45D128164
15
μ
PD45D128442, 45D128842, 45D128164
Preliminary Data Sheet
3. Simplified State Diagram
WIA
PRE/PALL
P
RAA
READ
(Bus end
BST
PEPehreemao)
PEPehreemnto)
A
MRS
REF
PWDN
PDEX
SELF
IDLE
Mode
Register
Set
CBR (auto)
Refresh
BANK
ACTIVE
Self
Refresh
Power
Down
Precharge
READ
READA
POWER
ON
WRIT
READ
Automatic sequence
Manual input
READ
Self
Refresh
Recovery
Bank
Activating
SREX
WRITA
READA
READA
(t
RP
)
(
DP/
t
DA
)
(
DPL
)
(t
RSC
)
(t
RC
)
WRITA
WRIT
READA
WRITA
WRIT
PRE(Pehretrmnto)
PWDN
PDEX
相關(guān)PDF資料
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)
μPD4811650 16M Synchronous Graphics Memory (SGRAM)(16M同步圖形存儲器)
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