NanoAmp Solutions
FIGURE 3: Functional Block Diagram
Input/
Address
Inputs
A
0
- A
14
Address
Decode
Logic
32K x 8
RAM Array
Output
Mux
and
Buffers
D0 - D7
Data I/O
EM033C08
CE
WE
OE
Control
Logic
FIGURE 4: Functional Description
CE
H
L
L
L
WE
X
H
H
L
OE
X
H
L
X
D0-D7
High Z
High Z
Data Out
Data In
MODE
Standby
Standby
READ
WRITE
POWER
Standby
Standby*
Active -> Standby*
Active -> Standby*
*The device will consume active power in this mode whenever addresses are changed
TABLE 2: Absolute Maximum Ratings*
Item
Voltage on any pin relative to V
SS
Voltage on V
CC
Supply Relative to V
SS
Power Dissipation
Storage Temperature
Operating Temperature - Extended Commercial
Symbol
V
IN,OUT
V
CC
P
D
T
STG
T
A
Rating
–0.3 to V
CC
+0.3
–0.3 to 4.6
500
–40 to +125
-20 to +80
Unit
V
V
mW
o
C
o
C
*Stresses greater than those listed above may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any other conditions above those indicated in the operating section of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
Stock No. 23087-01 12/98
2
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
