參數(shù)資料
型號: MB81V4800S-60
廠商: Fujitsu Limited
英文描述: CMOS 512K×8 BIT Fast Page Mode DRAM(CMOS 512K×8位快速頁面存取模式動(dòng)態(tài)RAM)
中文描述: 的CMOS為512k × 8位快速頁面模式的DRAM(的CMOS為512k × 8位快速頁面存取模式動(dòng)態(tài)內(nèi)存)
文件頁數(shù): 16/26頁
文件大?。?/td> 328K
代理商: MB81V4800S-60
16
MB81V4800S-60/MB81V4800S-70
Fig. 10 – FAST PAGE MODE WRITE CYCLE (OE = “H” or “L”)
RAS
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
CAS
WE
A
0
to A
9
DESCRIPTION
The fast page mode write cycle is executed in the same manner as the fast page mode read cycle except the states of WE and
OE are reversed. Data appearing on the DQ pins is latched on the falling edge of CAS and written into memory. During the fast
page mode write cycle, including the delayed (OE) write and read-modify-write cycles, t
CWL
must be satisfied.
“H” or “L”
HIGH-Z
VALID
DATA
VALID
DATA
VALID
DATA
COL
ADD
ROW
ADD
COL
ADD
COL
ADD
V
IH
V
IL
DQ
(Input)
V
OH
V
OL
DQ
(Output)
t
RP
t
RASP
t
CRP
t
RSH
t
RCD
t
CAS
t
CAS
t
CP
t
RHCP
t
CAS
t
CSH
t
PC
t
DHR
t
WCR
t
AR
t
CAH
t
ASC
t
ASC
t
CAH
t
ASR
t
CAH
t
RAL
t
ASC
t
RAH
t
RAD
t
CAL
t
WCH
t
WCH
t
WCS
t
WCH
t
WCS
t
CWL
t
WCS
t
WP
t
CWL
t
RWL
t
DH
t
CWL
t
DH
t
DS
t
DS
t
DS
t
DH
t
WP
t
WP
相關(guān)PDF資料
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MB81V4800S-70 CMOS 512K×8 BIT Fast Page Mode DRAM(CMOS 512K×8位快速頁面存取模式動(dòng)態(tài)RAM)
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