M5M44260CTP-5 Mitsubishi, M5M44260CTP-5 Datasheet - Page 2

• Manufacturer Part Number: M5M44260CTP-5
• Description: FAST PAGE MODE 4194304-BIT (262144-WORD BY 16-BIT) DYNAMIC RAM
• Manufacturer: Mitsubishi

2
M5M44260CJ,TP-5,-5S : Under development
FUNCTION
In addition to normal read,write and read-modify-write operations
the M5M44260CJ, TP provides a number of other functions, e.g.,
Table 1 Input conditions for each mode
Note : ACT : active, NAC : nonactive, DNC : don' t care, OPN : open
LOWER BYTE CONTROL
Lower byte read
Upper byte read
Word read
Lower byte write
Upper byte write
Word write
RAS only refresh
Hidden refresh
CAS before RAS (Extended *) refresh
Self refresh *
Stand-by
BLOCK DIAGRAM
UPPER BYTE CONTROL
ADDRESS INPUTS
COLUMN ADDRESS
COLUMN ADDRESS
WRITE CONTROL
ROW ADDRESS
STROBE INPUT
STROBE INPUT
STROBE INPUT
Operation
INPUT
UCAS
LCAS
RAS
A
A
A
A
A
A
A
A
A
W
0
1
2
3
4
5
6
7
8
ADDRESS
COLUMN
BUFFER
ROW &
NAC
RAS
ACT
ACT
ACT
ACT
ACT
ACT
ACT
ACT
ACT
ACT
FAST PAGE MODE 4194304-BIT (262144-WORD BY 16-BIT) DYNAMIC RAM
A
A
A
0
0
LCAS
~A
~
NAC
NAC
NAC
DNC
8
ACT
ACT
ACT
ACT
ACT
ACT
ACT
8
DECODER
ROW
UCAS
NAC
NAC
NAC
DNC
ACT
ACT
ACT
ACT
ACT
ACT
ACT
CLOCK GENERATOR
AMPLIFIER & I /O CONTROL
Inputs
NAC
NAC
NAC
DNC
DNC
DNC
DNC
DNC
ACT
ACT
ACT
M5M44260CJ,TP-5,-6,-7,-5S,-6S,-7S
COLUMN DECODER
W
SENSE REFRESH
MEMORY CELL
(4194304 BITS)
CIRCUIT
fast page mode, RAS-only refresh and delayed-write. The input
conditions for each are shown in Table 1.
NAC
NAC
NAC
DNC
DNC
DNC
DNC
ACT
ACT
ACT
ACT
OE
UPPER
address
LOWER
DNC
DNC
DNC
DNC
APD
APD
APD
APD
APD
APD
APD
Row
Column
address
DNC
DNC
DNC
DNC
DNC
APD
APD
APD
APD
APD
APD
DATA OUT
DATA OUT
(8)LOWER
(8)LOWER
(8)UPPER
(8)UPPER
DATA IN
BUFFER
BUFFER
DATA IN
BUFFER
BUFFER
DQ
D
OPN
OPN
OPN
OPN
OPN
D
DNC
D
D
D
Input/Output
OUT
OUT
OUT
1
DQ
IN
IN
~
8
DQ
OPN
OPN
OPN
OPN
OPN
D
D
DNC
D
D
D
DQ
OUT
OUT
OUT
9
IN
IN
~
MITSUBISHI LSIs
16
V
V
V
V
DQ
DQ
V
V
DQ
DQ9
DQ10
DQ16
OE
CC
SS
CC
SS
CC
SS
Refresh Remark
1
2
8
(0V)
(0V)
OUTPUT ENABLE
INPUT
(5V)
(5V)
(0V)
(5V)
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
No
LOWER DATA
INPUTS /
OUTPUTS
UPPER DATA
INPUTS /
OUTPUTS
Fast
page
mode
identical