IDT70261S Integrated Device Technology, IDT70261S Datasheet - Page 14

• Manufacturer Part Number: IDT70261S
• Description: High-speed 16k X 16 Dual-port Static Ram With Interrupt
• Manufacturer: Integrated Device Technology

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.
NOTES:
1. Assumes BUSY
2. If BUSY
3. If BUSY
ADDR
ADDR
IDT70261S/L
High-Speed 16K x 16 Dual-Port Static RAM with Interrupt
R/
INT
R/W
INT
CE
CE
OE
X
X
X
W
L
L
"A"
"A"
"A"
"B"
"B"
"B"
"B"
"B"
L
R
= V
= V
CE
IL
IL
L
X
X
L
, then no change.
, then no change.
L
L
= BUSY
Left Port
OE
R
X
X
X
L
=V
L
IH
.
A
t
t
13L
3FFF
3FFE
AS
AS
X
X
-A
(3)
(3)
t
0L
t
INR
INS
(3)
(3)
INTERRUPT CLEAR ADDRESS
INTERRUPT SET ADDRESS
INT
L
H
X
X
(3)
(2)
L
R/W
X
X
X
L
R
t
t
WC
RC
6.42
14
CE
X
X
L
L
R
(2)
Right Port
OE
(2)
X
L
X
X
R
t
Industrial and Commercial Temperature Ranges
WR
(4)
A
13R
3FFF
3FFE
X
X
-A
0R
INT
H
L
X
X
(2)
(3)
R
Set Right INT
Reset Right INT
Set Left INT
Reset Left INT
Function
L
R
Flag
L
Flag
R
Flag
Flag
3039 drw 16
3039 drw 15
3039 tbl 16