參數(shù)資料
型號(hào): MB814800-70
廠商: Fujitsu Limited
英文描述: CMOS 512K ×8 BIT FAST PAGE MODE DYNAMIC RAM(CMOS 512K ×8位快速頁(yè)面存取模式動(dòng)態(tài)RAM)
中文描述: 的CMOS為512k × 8位快速頁(yè)面模式的動(dòng)態(tài)隨機(jī)存儲(chǔ)器(的CMOS為512k × 8位快速頁(yè)面存取模式動(dòng)態(tài)內(nèi)存)
文件頁(yè)數(shù): 19/26頁(yè)
文件大?。?/td> 327K
代理商: MB814800-70
19
MB814800-60/MB814800-70
t
OED
t
CWL
“H” or “L”
Valid Data
Fig. 12 – FAST PAGE MODE READ-MODIFY-WRITE CYCLE
DESCRIPTION
During fast page mode of operation, the read-modify-write cycle can be executed by switching WE from High to Low after input
date appears at the DQ pins during a normal cycle.
VALID
VALID
VALID
COL
ADD
ROW
ADD
COL
ADD
COL
ADD
HIGH-Z
DQ
(Input)
DQ
(Output)
V
IH
V
OH
RAS
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
CAS
WE
A
0
to A
9
V
OL
V
IH
V
IL
OE
V
IL
t
CAH
t
CRP
t
RASP
t
RCD
t
RAD
t
ASR
t
RAH
t
ASC
t
CAS
t
CP
t
ASC
t
PRWC
t
AR
t
CSH
t
CAH
t
RP
t
ASC
t
CAS
t
CAS
t
RSH
t
CAH
t
RAL
t
WCH
t
WCH
t
RCS
t
RCS
t
WP
t
CWL
t
CWL
t
CPWD
t
CWD
t
DZC
t
DS
t
DH
t
DS
t
WP
t
DH
t
RCS
t
CPWD
t
WP
t
RWL
t
AWD
t
DHR
t
DS
t
DH
t
CWD
t
OED
t
CAC
t
AA
t
ON
t
OEZ
t
AA
t
CAC
t
OEH
t
ON
t
DZO
t
OEA
t
OEA
t
CPA
t
ON
t
OEZ
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