IDT70T3539M Integrated Device Technology, IDT70T3539M Datasheet - Page 5

• 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

OE
Address
X
X
X
X
X
X
X
X
X
X
H
X
L
L
L
L
L
L
L
ADS CNTEN REPEAT
OE
ADS
An
X
X
X
ADS
CLK
REPEAT
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
X
REPEAT
Previous
Address
Internal
An + 1
CE
An
H
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
X
X
0
CE
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
X
L
Address
1
Internal
An + 1
An + 1
Used
An
An
BE
X
X
H
H
H
H
H
H
H
H
H
X
X
L
L
L
L
L
L
3
CNTEN
CLK
BE
X
X
H
H
H
H
H
H
H
H
H
X
X
↑
↑
↑
↑
L
L
L
L
L
L
2
BE
X
X
H
H
H
H
H
H
H
H
H
X
X
ADS
L
L
L
L
L
L
X
1
L
H
H
(4)
BE
X
X
H
H
H
H
H
H
H
H
H
X
X
L
L
L
L
L
L
CNTEN
ADS
0
X
L
H
X
(5)
R/W
X
X
X
X
X
L
L
L
L
L
L
L
H
H
H
H
H
H
H
REPEAT
L
ZZ
H
H
H
(4)
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
W CE
(6)
6.42
5
I/O
Byte 3
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
D
D
D
D
D
D
D
D
D
CE
D
OUT
OUT
OUT
I/O
I/O
27-35
I/O
IN
IN
IN
I/O
I/O
(n+1)
(n+1)
(3)
(n)
(n)
ADS
BE
I/O
Byte 2
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
External Address Used
Counter Enabled—Internal Address generation
External Address Blocked—Counter disabled (An + 1 reused)
Counter Set to last valid ADS load
D
D
D
D
D
D
OUT
OUT
OUT
18-26
IN
IN
IN
BE
OE
REPEAT
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
Byte 1
I/O
D
D
D
D
D
D
OUT
OUT
OUT
9-17
IN
IN
IN
Byte 0
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
I/O
D
D
D
D
D
D
OUT
OUT
OUT
IN
IN
IN
0-8
MODE
Deselected–Power Down
Deselected–Power Down
Read Byte 0 Only
Read Byte 1 Only
Read Byte 2 Only
Read Byte 3 Only
Read Lower 2 Bytes Only
Read Upper 2 Bytes Only
Read All Bytes
Outputs Disabled
Sleep Mode
All Bytes Deselected
Write to Byte 0 Only
Write to Byte 1 Only
Write to Byte 2 Only
Write to Byte 3 Only
Write to Lower 2 Bytes Only
Write to Upper 2 bytes Only
Write to All Bytes
CE
MODE
BE
5678 tbl 02
5678 tbl 03