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參數(shù)資料
| 型號(hào)： | MH32V725BST-6 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | HYPER PAGE MODE 2415919104 - BIT ( 33554432 - WORD BY 72 - BIT ) DYNAMIC RAM |
| 中文描述： | 超頁(yè)模式2415919104 -位（33554432 - Word的72 -位）動(dòng)態(tài)隨機(jī)存儲(chǔ)器 |
| 文件頁(yè)數(shù)： | 4/22頁(yè) |
| 文件大小： | 135K |
| 代理商： | MH32V725BST-6 |
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MITSUBISHI LSIs
MH32V725BST -5, -6
Preliminary Spec.
MITSUBISHI
ELECTRIC
27/Jul./1998
HYPER PAGE MODE 2415919104 - BIT ( 33554432 - WORD BY 72 - BIT ) DYNAMIC RAM
MIT - DS - 0237-0.0
FUNCTION
The MH32V725BST provide, in addition to normal read,
write, and read-modify-write operations,
a number of other functions, e.g., hyper page mode, /CAS
before /RAS refresh, and delayed-write. The input conditions
for each are shown in Table 1.
Table 1 Input conditions for each mode
Operation
/RAS
/CAS
Inputs
Input/Output
Refresh
Remark
/W
Row
address
APD
address
APD
Column
Output
Read
Write (Early write)
Write (Delayed write)
Read-modify-write
/CAS before /RAS refresh
Standby
Hidden refresh
ACT
ACT
ACT
ACT
ACT
ACT
NAC
ACT
ACT
ACT
ACT
ACT
ACT
DNC
NAC
ACT
ACT
ACT
DNC
NAC
DNC
APD
APD
APD
DNC
DNC
DNC
OPN
VLD
IVD
VLD
VLD
OPN
OPN
NO
NO
NO
NO
YES
YES
NO
Hyper 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
ACT
DNC
DNC
APD
APD
APD
DNC
DNC
DNC
Input
VLD
VLD
VLD
DNC
DNC
OPN
OPN
4
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