IDT7008L IDT [Integrated Device Technology], IDT7008L Datasheet - Page 15

• Manufacturer Part Number: IDT7008L
• Description: HIGH-SPEED 64K x 8 DUAL-PORT STATIC RAM
• Manufacturer: IDT [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.
5. Refer to Chip Enable Truth Table.
NOTES:
1. Assumes BUSY
2. If BUSY
3. If BUSY
4. INT
5. Refer to Chip Enable Truth Table.
IDT7008S/L
High-Speed 64K x 8 Dual-Port Static RAM
ADDR
R/W
ADDR
X
X
X
L
R/W
L
L
INT
CE
INT
and INT
CE
OE
L
R
"A"
"A"
"A"
"B"
= V
"B"
"B"
"B"
= V
"B"
IL
R
CE
IL
X
X
L
L
, then no change.
, then no change.
must be initialized at power-up.
L
= BUSY
Left Port
OE
R
X
X
X
L
=V
L
IH
.
A
15L
FFFF
FFFE
X
X
-A
t
AS
t
AS
0L
t
(3)
INS
INTERRUPT CLEAR ADDRESS
t
(3)
INR
INTERRUPT SET ADDRESS
(3)
(3)
INT
L
H
X
X
(3)
(2)
L
R/W
X
X
X
L
R
t
t
WC
RC
6.42
15
CE
X
X
L
L
Right Port
Military, Industrial and Commercial Temperature Ranges
OE
X
X
X
(2)
L
(2)
R
t
WR
(4)
A
15R
FFFF
FFFE
X
X
-A
0R
INT
H
L
X
X
(2)
(3
R
)
Set Right INT
Reset Right INT
Set Left INT
Reset Left INT
3198 drw 18
3198 drw 17
Function
L
R
Flag
L
Flag
R
Flag
Flag
3198 tbl 16