參數(shù)資料
型號: MB8116165A-60
廠商: Fujitsu Limited
英文描述: CMOS 1M ×16 BIT Hyper Page Mode Dynamic RAM(CMOS 1M ×16 位超級頁面存取模式動態(tài)RAM)
中文描述: 的CMOS 100萬× 16位的超頁模式動態(tài)RAM的CMOS(100萬× 16位超級頁面存取模式動態(tài)內(nèi)存)
文件頁數(shù): 13/30頁
文件大?。?/td> 376K
代理商: MB8116165A-60
13
MB8116165A-60/MB8116165A-70
Fig. 5 – READ CYCLE
DESCRIPTION
To implement a read operation, a valid address is latched by the RAS and LCAS or UCAS address strobes and with WE set to a
High level and OE set to a Low level, the output is valid once the memory access time has elapsed. DQ
8
-DQ
16
pins is valid when
RAS and CAS are High or until OE goes High. The access time is determined by RAS(t
RAC
), LCAS/UCAS(t
CAC
), OE (t
OEA
) or column
addresses (t
AA
) under the following conditions:
If t
RCD
> t
RCD
(max), access time = t
CAC
.
If t
RAD
> t
RAD
(max), access time = t
AA
.
If OE is brought Low after t
RAC
, t
CAC
, or t
AA
(whichever occurs later), access time = t
OEA
.
However, if either LCAS/UCAS or OE goes High, the output returns to a high-impedance state after t
OH
is satisfied.
RAS
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
LCAS
or
UCAS
WE
DQ
(Output)
A
0
to A
11
V
IH
V
IL
DQ
(Input)
V
IH
V
IL
OE
t
RC
t
RAS
t
AR
t
RP
t
CDD
t
RCD
t
CRP
t
ASR
t
RAH
t
ASC
t
CAH
t
RCH
t
RRH
t
RCS
t
DZC
t
OEA
t
DZO
t
ON
t
OED
t
OH
t
OFF
t
RAD
“H” or ”L”
ROW ADD
COLUMN ADD
t
RAL
t
CAL
t
AA
t
CAC
t
RAC
HIGH-Z
HIGH-Z
t
OH
t
CSH
t
RSH
t
CAS
t
ON
t
RDD
t
WPZ
t
WED
WEZ
Valid Data
t
COL
t
OEZ
t
OEL
相關(guān)PDF資料
PDF描述
MB8116165A-70 CMOS 1M ×16 BIT Hyper Page Mode Dynamic RAM(CMOS 1M ×16 位超級頁面存取模式動態(tài)RAM)
MB8116165B-50 1 M ×16 BIT Hyper Page Mode Dynamic RAM(CMOS 1 M ×16位超級頁面存取模式動態(tài)RAM)
MB8116165B-60 1 M ×16 BIT Hyper Page Mode Dynamic RAM(CMOS 1 M ×16位超級頁面存取模式動態(tài)RAM)
MB8116400A-50 CMOS 4 M ×4 BIT Fast Page Mode DRAM(CMOS 4 M ×4 位快速頁面存取模式動態(tài)RAM)
MB8116400A-60 CMOS 4 M ×4 BIT Fast Page Mode DRAM(CMOS 4 M ×4 位快速頁面存取模式動態(tài)RAM)
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