IDT70V24 IDT [Integrated Device Technology], IDT70V24 Datasheet - Page 4

• Manufacturer Part Number: IDT70V24
• Description: HIGH-SPEED 3.3V 4K x 16 DUAL-PORT STATIC RAM
• Manufacturer: IDT [Integrated Device Technology]

NOTE:
1. A
NOTE:
1. There are eight semaphore flags written to via I/O
IDT70V24S/L
High-Speed 4K x 16 Dual-Port Static RAM
CE
CE
X
X
0L
X
X
H
L
L
L
L
L
L
H
H
L
L
— A
11L
R/
R/
A
X
X
X
L
L
L
H
H
H
H
H
X
X
0R
W
W
— A
11R
OE
OE
X
X
X
X
X
H
X
X
X
X
L
L
L
L
L
Inputs
Inputs
(1)
UB
UB
X
H
H
H
X
X
X
X
L
L
L
L
H
H
L
0
and read from all of the I/O's (I/O
LB
LB
X
X
H
H
L
L
H
L
L
X
H
X
H
X
L
SEM
SEM
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
DATA
DATA
6.42
DATA
DATA
DATA
DATA
High-Z
High-Z
High-Z
High-Z
High-Z
DATA
DATA
I/O
I/O
4
____
____
8-15
8-15
0
-I/O
OUT
OUT
OUT
OUT
IN
IN
IN
IN
Outputs
Outputs
15
). These eight semaphores are addressed by A
DATA
DATA
DATA
DATA
DATA
DATA
High-Z
High-Z
High-Z
High-Z
High-Z
DATA
DATA
I/O
I/O
____
____
0-7
0-7
OUT
OUT
OUT
OUT
Industrial and Commercial Temperature Ranges
IN
IN
IN
IN
Deselected: Power Down
Both Bytes Deselected
Read Upper Byte Only
Read Lower Byte Only
Read Both Bytes
Outputs Disabled
Write to Upper Byte Only
Write to Lower Byte Only
Write to Both Bytes
Read Data in Semaphore Flag
Read Data in Semaphore Flag
Write D
Write D
Not Allowed
Not Allowed
IN0
IN0
into Semaphore Flag
into Semaphore Flag
Mode
Mode
0
-A
2
.
2911 tbl 02
2911 tbl 03