參數(shù)資料
型號: IDT7006L25FB
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 16K x 8 DUAL-PORT STATIC RAM
中文描述: 16K X 8 DUAL-PORT SRAM, 25 ns, PQFP68
封裝: 0.970 X 0.970 INCH, 0.080 INCH HEIGHT, QFP-68
文件頁數(shù): 15/20頁
文件大?。?/td> 263K
代理商: IDT7006L25FB
IDT7006S/L
HIGH-SPEED 16K x 8 DUAL-PORT STATIC RAM
MILITARY AND COMMERCIAL TEMPERATURE RANGES
6.07
15
WAVEFORM OF INTERRUPT TIMING
(1)
TRUTH TABLES
TRUTH TABLE I — INTERRUPT FLAG
(1,4)
Left Port
R/
W
L
CE
L
OE
L
A
13L
-A
0L
L
L
X
X
X
X
X
X
X
X
L
L
Right Port
OE
R
INT
L
X
X
L
(3)
H
(2)
R/
W
R
X
X
L
X
CE
R
X
L
L
X
A
13R
-A
0R
INT
X
3FFF
3FFE
X
R
L
(2)
H
(3)
X
X
Function
3FFF
X
X
3FFE
X
L
X
X
Set Right
INT
R
Flag
Reset Right
INT
R
Flag
Set Left
INT
L
Flag
Reset Left
INT
L
Flag
NOTES:
1. Assumes
BUSY
L
=
BUSY
R
= V
IH
.
2. If
BUSY
L
= V
IL
, then no change.
3. If
BUSY
R
= V
IL
, then no change.
4.
INT
R and
INT
L
must be initialized at power-up.
2739 tbl 17
2739 drw 17
ADDR
"A"
INTERRUPT SET ADDRESS
CE
"A"
R/
W
"A"
t
AS
t
WC
t
WR
(3)
(4)
t
INS(3)
INT
"B"
(2)
2739 drw 18
ADDR
"B"
INTERRUPT CLEAR ADDRESS
CE
"B"
OE
"B"
t
AS
t
RC
(3)
t
INR(3)
INT
"B"
(2)
NOTES:
1. All timing is the same for left and right ports. Port “A” may be either the left or right port. Port “B” is the port opposite from port “A”.
2. See Interrupt truth table.
3. Timing depends on which enable signal (
CE
or R/
W
) is asserted last.
4. Timing depends on which enable signal (
CE
or R/
W
) is de-asserted first.
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