
UTRON
UT621024
Rev. 1.5
128K X 8 BIT LOW POWER CMOS SRAM
ABSOLUTE MAXIMUM RATINGS
*
PARAMETER
Terminal Voltage with Respect to Vss
Operating Temperature
Storage Temperature
Power Dissipation
DC Output Current
Soldering Temperature (under 10 sec)
*Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This
is a stress rating only and functional operation of the device or any other conditions above those indicated in the
operational sections of this specification is not implied. Exposure to the absolute maximum rating conditions for extended
period may affect device reliability.
TRUTH TABLE
MODE
1
CE
CE2 OE
WE
I/O OPERATION
Standby
H
X
X
X
Standby
X
L
X
X
Output Disable
L
H
H
H
Read
L
H
L
H
Write
L
H
X
L
Note: H = V
IH
, L=V
IL
, X = Don't care.
DC ELECTRICAL CHARACTERISTICS
(V
CC
= 5V
±
10%, T
A
= 0
℃
to 70
℃
)
PARAMETER
SYMBOL TEST CONDITION
Input High Voltage
V
IH
Input Low Voltage
V
IL
Input Leakage Current
I
IL
V
SS
≦
V
IN
≦
V
CC
Output Leakage Current
I
OL
V
SS
≦
V
I/O
≦
V
CC
1
CE =V
IH
or CE2 = V
IL
or
OE = V
IH
or WE = V
IL
Output High Voltage
V
OH
I
OH
= - 1mA
Output Low Voltage
V
OL
I
OL
= 4mA
I
CC
Cycle time=min, 100% duty,
1
CE =V
IL
, CE2 = V
IH
,
I
I/O
= 0mA
I
CC1
Cycle time=1μs,100% duty,I
I/O
=0mA
.
1
CE
≦
0.2V,CE2
≧
V
CC
-0.2V,
other pins at 0.2V or V
CC
-0.2V,
I
SB
CE =V
IH
or CE2 = V
IL
other pins at 0.2V or V
CC
-0.2V,
I
SB1
1
CE
≧
V
CC
-0.2V or
.
CE2
≦
0.2V
other pins at 0.2V or V
CC
-0.2V,
________________________________________________________________________________________________
UTRON TECHNOLOGY INC. P80036
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: 886-3-5777882 FAX: 886-3-5777919
2
SYMBOL
V
TERM
T
A
T
STG
P
D
I
OUT
T
solder
RATING
-0.5 to +7.0
0 to +70
-65 to +150
1
50
260
UNIT
V
℃
℃
W
mA
℃
SUPPLY CURRENT
I
SB
,
I
SB1
I
SB
,
I
SB1
I
CC
I
CC
I
CC
High - Z
High -Z
High - Z
D
OUT
D
IN
MIN. TYP.
2.2
- 0.5
- 1
MAX.
V
CC
+0.5
0.8
1
UNIT
V
V
μA
-
-
-
- 1
-
1
μA
-35
-55
-70
2.4
-
-
-
-
-
-
-
V
V
mA
mA
mA
0.4
100
85
70
60
50
40
Average Operating
Power Supply Courrent
-
-
10
mA
-
-
3
mA
100
40*
50
15*
- L
-
2
μA
Standby Power
Supply Current
-
LL
-
1
μA
*Those parameters are for reference only under 50
℃