參數(shù)資料
型號: M5M44800CTP-7
廠商: Mitsubishi Electric Corporation
英文描述: FAST PAGE MODE 4194304-BIT (524288-WORD BY 8-BIT) DYNAMIC RAM
中文描述: 快速頁面模式4194304位(524288 - Word的8位)動態(tài)隨機存儲器
文件頁數(shù): 2/21頁
文件大?。?/td> 202K
代理商: M5M44800CTP-7
FAST PAGE MODE 4194304-BIT (524288-WORD BY 8-BIT) DYNAMIC RAM
M5M44800CJ,TP-5,-6,-7,-5S,-6S,-7S
MITSUBISHI LSIs
M5M44800CJ,TP-5,-5S:Under development
2
FUNCTION
In addition to normal read, write, and read-modify-write operations
the M5M44800CJ, TP provides 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.
Operation
RAS
ACT
ACT
ACT
ACT
ACT
ACT
ACT
CAS
ACT
ACT
ACT
ACT
NAC
ACT
ACT
OE
ACT
DNC
DNC
ACT
DNC
ACT
DNC
Inputs
Input/Output
Input
OPN
VLD
VLD
VLD
DNC
OPN
DNC
Refresh
Remark
W
aRow
APD
APD
APD
APD
APD
DNC
DNC
APD
APD
APD
APD
DNC
DNC
DNC
address
Output
VLD
OPN
IVD
VLD
OPN
VLD
OPN
Read
Write (Early write)
Write (Delayed write)
Read-modify-write
RAS only refresh
Hidden refresh
CAS before RAS (Extended *) refresh
Self refresh
*
Stand-by
Note : ACT : active, NAC : nonactive, DNC : don' t care, VLD : valid, IVD : invalid, APD : applied, OPN : open
ACT
NAC
ACT
DNC
NAC
ACT
ACT
ACT
DNC
DNC
DNC
DNC
DNC
DNC
DNC
DNC
DNC
DNC
DNC
DNC
OPN
OPN
YES
YES
YES
YES
YES
YES
YES
YES
NO
Fast page
mode
identical
DNC
BLOCK DIAGRAM
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
ADDRESS INPUTS
CLOCK GENERATOR
CIRCUIT
COLUMN DECODER
SENSE REFRESH
AMPLIFIER & I /O CONTROL
ROW
DECODER
ROW &
COLUMN
ADDRESS
BUFFER
MEMORY CELL
(4194304BITS)
(8)
DATA IN
BUFFER
OE
DQ
1
DQ
2
DQ
3
DQ
4
DQ
5
DQ
6
DQ
7
DQ
8
DATA
INPUTS / OUTPUTS
OUTPUT ENABLE
INPUT
COLUMN ADDRESS
STROBE INPUT
ROW ADDRESS
STROBE INPUT
WRITE CONTROL
INPUT
CAS
RAS
W
A
0
~A
8
A
0
~
A
9
V
SS
(0V)
V
CC
(5V)
V
CC
(5V)
V
SS
(0V)
Table 1 Input conditions for each mode
(8)
DATA OUT
BUFFER
相關PDF資料
PDF描述
M5M44800CTP-7S FAST PAGE MODE 4194304-BIT (524288-WORD BY 8-BIT) DYNAMIC RAM
M5M44800CJ-5S FAST PAGE MODE 4194304-BIT (524288-WORD BY 8-BIT) DYNAMIC RAM
M5M44800CJ-6 FAST PAGE MODE 4194304-BIT (524288-WORD BY 8-BIT) DYNAMIC RAM
M5M44800CJ-6S FAST PAGE MODE 4194304-BIT (524288-WORD BY 8-BIT) DYNAMIC RAM
M5M44800CJ-7 FAST PAGE MODE 4194304-BIT (524288-WORD BY 8-BIT) DYNAMIC RAM
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