參數(shù)資料
型號(hào)： MH4V724AWXJ-6
廠商： Mitsubishi Electric Corporation
英文描述： FAST PAGE MODE 301989888 - BIT ( 4194304 - WORD BY 72 - BIT ) DYNAMIC RAM
中文描述： 快速頁(yè)面模式301989888 -位（4194304 - Word的72 -位）動(dòng)態(tài)隨機(jī)存儲(chǔ)器
文件頁(yè)數(shù)： 5/20頁(yè)
文件大?。?/td> 174K
代理商： MH4V724AWXJ-6
MITSUBISHI LSIs
MH4V724AWXJ -5, -6
Preliminary Spec.
Specifications subject to
change without notice.
MITSUBISHI
ELECTRIC
( / 20 )
5
26/Feb./1997
FAST PAGE MODE 301989888 - BIT ( 4194304 - WORD BY 72 - BIT ) DYNAMIC RAM
MIT-DS-0119-0.0
FUNCTION
The MH4V724AWXJ provide, in addition to normal
read, write, and read-modify-write operations,
a number of other functions, e.g., Fast page mode, /RAS-
only refresh, and delayed-write. The input conditions for
each are shown in Table 1.
Table 1 Input conditions for each mode
Operation
/RAS
ACT
ACT
ACT
ACT
ACT
NAC
/CAS
ACT
ACT
ACT
ACT
ACT
DNC
Inputs
Input/Output
Output
Input
OPN
Refresh
Remark
/W
NAC
ACT
ACT
ACT
NAC
DNC
aRow
APD
APD
APD
APD
DNC
DNC
Column
Read
Write (Early write)
Write (Delayed write)
Read-modify-write
/CAS before /RAS refresh
Standby
APD
APD
APD
APD
DNC
DNC
OPN
IVD
VLD
OPN
OPN
VLD
YES
YES
YES
YES
YES
NO
Fast page
mode
identical
Note : ACT : active, NAC : nonactive, DNC : don' t care, VLD : valid, IVD : Invalid, APD : applied, OPN : open
/OE
ACT
DNC
DNC
ACT
DNC
DNC
VLD
VLD
VLD
DNC
DNC
相關(guān)PDF資料
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