參數(shù)資料
型號(hào): IDT7015S20JI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 8K x 9 DUAL-PORT STATIC RAM
中文描述: 8K X 9 DUAL-PORT SRAM, 20 ns, PQCC68
封裝: PLASTIC, LCC-68
文件頁(yè)數(shù): 15/20頁(yè)
文件大?。?/td> 178K
代理商: IDT7015S20JI
6.42
IDT7015S/L
High-Speed 8K x 9 Dual-Port Static RAM Military, Industrial and Commercial Temperature Ranges
Waveform of Interrupt T iming
(1)
15
APRIL 04, 2006
Truth Table III — Interrupt Flag
(1)
NOTES:
1. All timng 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“A”.
2. See Interrupt Truth Table.
3. Timng depends on which enable signal (
CE
or R/
W
) is asserted last.
4. Timng depends on which enable signal (
CE
or R/
W
) is de-asserted first.
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.
2954 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)
2954 drw 18
ADDR
"B"
INTERRUPT CLEAR ADDRESS
CE
"
B"
OE
"B"
t
AS
t
RC
(3)
t
INR
(3)
INT
"B"
(2)
Left Port
Right Port
Function
R/
W
L
CE
L
OE
L
A
12L
-A
0L
INT
L
R/
W
R
CE
R
OE
R
A
12R
-A
0R
INT
R
L
L
X
1FFF
X
X
X
X
X
L
(2)
Set Right
INT
R
Flag
X
X
X
X
X
X
L
L
1FFF
H
(3)
Reset Right
INT
R
Flag
X
X
X
X
L
(3)
L
L
X
1FFE
X
Set Left
INT
L
Flag
X
L
L
1FFE
H
(2)
X
X
X
X
X
Reset Left
INT
L
Flag
2954 tbl 16
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