參數(shù)資料
型號: MB814260-60
廠商: Fujitsu Limited
英文描述: CMOS 256K ×16 BIT FAST PAGE MODE DYNAMIC RAM(CMOS 256K ×16 位快速頁面存取模式動態(tài)RAM)
中文描述: 的CMOS 256K × 16位快速頁面模式的動態(tài)隨機存儲器(的CMOS 256K × 16位快速頁面存取模式動態(tài)內(nèi)存)
文件頁數(shù): 16/26頁
文件大?。?/td> 517K
代理商: MB814260-60
16
MB814260-60/MB814260-70
t
RCD
Fig. 9 – FAST PAGE MODE READ CYCLE
RAS
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
WE
DQ
(Input)
A
0
to A
8
V
OH
V
OL
DQ
(Output)
V
IH
V
IL
OE
DESCRIPTION
The fast page mode of operation permits faster successive memory operations at multiple column locations of the same row address.
This operation is performed by strobing in the row address and maintaining RAS at a Low level and WE at a High level during all
successive memory cycles in which the row address is latched. The access time is determined by t
CAC
, t
AA
, t
CPA
, or t
OEA
, whichever
one is the latest in occurring.
“H” or
Valid Data
COL
ADD
ROW
ADD
COL
ADD
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
t
CAS
t
RHCP
t
CRP
t
RASP
t
RP
t
CAS
t
RSH
t
RRH
t
CDD
t
ASC
t
PC
t
CSH
t
RAD
t
CP
t
ASR
t
CAH
t
CAL
t
CAH
t
ASC
t
OEL
t
CAH
t
ASC
t
RAL
t
RCH
t
RAH
t
RCS
t
RCH
t
RCH
t
DZC
t
CPA
t
OED
t
CDD
t
OH
t
DZC
t
DZC
t
RCS
t
RCS
t
AR
t
ON
t
OH
t
OFF
t
CAC
t
ON
t
CAC
t
ON
t
DZO
t
RAC
t
DZO
t
AA
t
OEZ
t
OEA
t
OH
t
OH
t
AA
t
OED
t
OFF
t
OEA
t
OEZ
t
DZO
LCAS
or
UCAS
COL
ADD
t
CAS
相關(guān)PDF資料
PDF描述
MB814260-70 CMOS 256K ×16 BIT FAST PAGE MODE DYNAMIC RAM(CMOS 256K ×16 位快速頁面存取模式動態(tài)RAM)
MB814265-60 CMOS 256K ×16 BIT Hyper Page Mode Dynamic RAM(CMOS 256K ×16 位超級頁面存取模式動態(tài)RAM)
MB814265-70 CMOS 256K ×16 BIT Hyper Page Mode Dynamic RAM(CMOS 256K ×16 位超級頁面存取模式動態(tài)RAM)
MB814400A-60 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁面存取模式動態(tài)RAM)
MB814400A-70 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁面存取模式動態(tài)RAM)
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