IDT70T3539M Integrated Device Technology, IDT70T3539M Datasheet - Page 19

• Manufacturer Part Number: IDT70T3539M
• Description: High-speed 2.5v 512k X 36 Synchronous Dual-port Static Ram With 3.3v Or 2.5v Interface
• Manufacturer: Integrated Device Technology

CLK
CE
CE
↑
↑
↑
↑
L
ADDRESS
Cycle Time
ADDRESS
7.5ns
5ns
6ns
IL
R/W
COL
COL
CLK
CLK
H
H
L
L
L
R
(1)
L
(4)
R
(4)
R
L
L
OE
IH
Left Port
CE
L
L
L
L
L
W
(1)
Region 1 (ns)
t
SA
A
0 - 2.8
0 - 3.8
0 - 5.3
0
t
SA
t
A
HA
18L
MATCH
MATCH
MATCH
MATCH
A
-A
0
t
t
CYC
OFS
HA
0L
(2)
(1)
t
OFS
COLS
COL
(ns)
A
H
L
H
L
1
L
Region 2 (ns)
A
(3,4)
2.81 - 4.6
3.81 - 5.6
5.31 - 7.1
1
CLK
↑
↑
↑
↑
R
5678 tbl 13
(2)
A
2
R/W
6.42
H
L
H
L
A
R
19
(1)
2
t
OFS
t
COLS
Right Port
CE
L
L
L
L
R
(1)
A
3
A
t
COLS
A
3
t
COLR
18R
MATCH
MATCH
MATCH
MATCH
-A
0R
(2)
(3)
t
COL
COLR
H
H
L
L
R
Both ports reading. Not a valid collision.
No flag output on either port.
Left port reading, Right port writing.
Right port reading, Left port writing.
Both ports writing. Valid collision. Flag
output on both ports.
Valid collision, flag output on Left port.
Valid collision, flag output on Right port.
Function
5678 drw 20
5678 tbl 14