IDT70T3509M Integrated Device Technology, IDT70T3509M Datasheet - Page 17

• Manufacturer Part Number: IDT70T3509M
• Description: High-speed 2.5v 1024k X 36 Synchronous Dual-port Static Ram With 3.3v Or 2.5v Interface
• Manufacturer: Integrated Device Technology

Waveform of Interrupt Timing
NOTES:
1. CE
2. All timing is the same for Left and Right ports.
3. Address is for internal register, not the external bus, i.e. address needs to be qualified by one of the Address counter control signals.
Truth Table III - Interrupt Flag
NOTES:
1. INT
2. CE
3. Address is for internal register, not the external bus, i.e. address needs to be qualified by one of the Address counter control signals.
IDT70T3509M
High-Speed 2.5V
CLK
↑
↑
↑
↑
0
0
L
L
= V
= V
and INT
IL
IL
ADDRESS
ADDRESS
and CE
and CE
R/W
R
X
X
L
H
must be initialized at power-up by Resetting the flags.
L
INT
(2)
R/W
CE
CE
CLK
CLK
R/W
1
1
R
R
R
= V
L
L
= V
(3)
(1)
(1)
R
(3)
R
L
L
IH
1024K x 36 Dual-Port Synchronous Static RAM
Left Port
IH
CE
.
, R/W and CE are synchronous with respect to the clock and need valid set-up and hold times.
X
X
L
L
L
(2)
t
t
t
FFFFF
SW
SA
SC
A
FFFFF
FFFFE
19L
t
t
t
X
X
HC
HW
HA
-A
0L
t
INS
INT
X
X
H
L
L
CLK
(2)
↑
↑
↑
↑
(1)
R
t
SC
R/W
6.42
t
t
SW
SA
FFFFF
17
X
H
X
L
R
(2)
t
t
t
HC
HW
HA
Right Port
t
CE
INR
X
X
L
L
R
(2)
A
FFFFF
FFFFE
19R
X
X
-A
0R
INT
X
X
L
H
R
Commercial Temperature Range
Set Right INT
Reset Right INT
Set Left INT
Reset Left INT
L
5682 drw 19
Function
R
Flag
L
Flag
R
Flag
Flag
5682 tbl 12