IDT70V18L15PFI IDT [Integrated Device Technology], IDT70V18L15PFI Datasheet - Page 4

• Manufacturer Part Number: IDT70V18L15PFI
• Description: HIGH-SPEED 3.3V 64K x 9 DUAL-PORT STATIC RAM
• Manufacturer: IDT [Integrated Device Technology]

NOTES:
1. Chip Enable references are shown above with the actual CE
2. 'H' = V
3. CMOS standby requires 'X' to be either < 0.2V or >V
NOTES:
1. A
2. Refer to Chip Enable Truth Table.
NOTES:
1. There are eight semaphore flags written to I/O
2.
IDT70V18L
High-Speed 3.3V 64K x 9 Dual-Port Static RAM
CE
CE
Refer to Chip Enable Truth Table.
0L
H
H
H
X
L
L
L
(2)
(2)
— A
IH
CE
L
H
15L
and 'L' = V
R/W
R/W
A
X
H
X
H
X
L
0R
Inputs
— A
Inputs
IL
.
15R
(1)
OE
OE
>V
X
X
H
L
X
X
L
< 0.2V
CC
CE
V
V
X
X
(3)
IH
IL
-0.2V
0
SEM
SEM
H
H
H
X
L
L
L
0
and read from all the I/Os (I/O
CC
DATA
Outputs
DATA
DATA
Outputs
High-Z
High-Z
-0.2V.
I/O
DATA
>V
I/O
______
0-8
<0.2V
CC
OUT
0-8
CE
V
X
OUT
V
0
IN
X
IN
(3)
IH
IL
and CE
-0.2V
1
Deselected: Power-Down
Write to Memory
Read Memory
Outputs Disabled
Read Semaphore Flag Data Out
Not Allowed
Write I/O
1
levels; CE is a reference only.
Port Selected (TTL Active)
Port Selected (CMOS Active)
Port Deselected (TTL Inactive)
Port Deselected (TTL Inactive)
Port Deselected (CMOS Inactive)
Port Deselected (CMOS Inactive)
0
into Semaphore Flag
4
0
-I/O
8
). These eight semaphore flags are addressed by A
Industrial and Commercial Temperature Ranges
Mode
Mode
Mode
0
-A
2
.
Preliminary
4854 tbl 08
4854 tbl 06
4854 tbl 07