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參數(shù)資料
| 型號： | M66287FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | 262144-word x 8-bit x 3-FIELD MEMORY |
| 中文描述： | 262144字× 8位× 3場記憶 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大?。?/td> | 196K |
| 代理商： | M66287FP |
MITSUBISHI <DIGITAL ASSP>
M66287FP
262144-word x 8-bit x 3-FIELD MEMORY
2002 MITSUBISHI ELECTRIC CORPORATION
4
PIN FUNCTION DESCRIPTIONS
Pin name
Name
Input /
output
Input
Function
WCKA
WCKB
WCKC
WEA
WEB
WEC
Write clock input
They are write clock inputs.
WCKA is a write clock for the A-system, WCKB for the B-system and
WCKC for the C-system.
They are write enable control inputs.
When they are "L", a write enable status is provided.
WEA is a write enable for the A-system, WEB for the B-system and
WEC for the C-system.
They are reset inputs to initialize a write address counter of internal
FIFO.
When they are "L", a write reset status is provided.
WRESA is a write reset for the A-system, WRESB for the B-system
and WRESC for the C-system.
They are read clock inputs.
RCKA is a read clock for the A-system, RCKB for the B-system and
RCKC for the C-system.
They are read enable control inputs.
When they are "L", a read enable status is provided.
REA is a read enable for the A-system, REB for the B-system and
REC for the C-system.
They are reset inputs to initialize a read address counter of internal
FIFO.
When they are "L", a read reset status is provided.
RRESA is a read reset for the A-system, RRESB for the B-system
and RRESC for the C-system.
They are 8-bit data input bus.
DA<7:0> is a data input bus for the A-system, DB<7:0> for the B-
system and DC<7:0> for the C-system.
They are 8-bit data output bus.
QA<7:0> is a data output bus for the A-system, QB<7:0> for the B-
system and QC<7:0> for the C-system.
They are pins for setting operation mode.
Setting is refer to MODE SET-table.
They are pins for test.
Setting of TEST1 depends on the rising time of the 1.8 V system
power supply. For further details, refer to page 11.
TEST2 and TEST3 should be fixed at "L".
This is a 3.3 V power supply pin for I/O.
Write enable input
Input
WRESA
WRESB
WRESC
Write reset input
Input
RCKA
RCKB
RCKC
REA
REB
REC
Read clock input
Input
Read enable input
Input
RRESA
RRESB
RRESC
Read reset input
Input
DA<7:0>
DB<7:0>
DC<7:0>
QA<7:0>
QB<7:0>
QC<7:0>
MODE<3:1>
Data input
Input
Data output
Output
Mode setting input
Input
TEST<3:1>
Test setting input
Input
VCCIO
Power supply pin for
I/O
Power supply pin for
internal circuit
Ground pin
-
VCC18
-
This is a 1.8 V power supply pin for internal circuit.
GND
-
This is a ground pin.
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