®
LY61L256
Rev. 1.2
32K X 8 BIT HIGH SPEED CMOS SRAM
ABSOLUTE MAXIMUN RATINGS*
PARAMETER
Voltage on V
CC
relative to V
SS
Voltage on any other pin relative to V
SS
Operating Temperature
Storage Temperature
Power Dissipation
DC Output Current
SYMBOL
V
T1
V
T2
T
A
T
STG
P
D
I
OUT
RATING
-0.5 to 4.6
-0.5 to V
CC
+0.5
0 to 70(C grade)
-20 to 80(E grade)
-40 to 85(I grade)
-65 to 150
1
50
UNIT
V
V
℃
℃
W
mA
*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
Standby
Output Disable
Read
Write
Note:
CE#
H
L
L
L
OE#
X
H
L
X
WE#
X
H
H
L
I/O OPERATION
High-Z
High-Z
D
OUT
D
IN
SUPPLY CURRENT
I
SB
,I
SB1
I
CC
,I
CC1
I
CC
,I
CC1
I
CC
,I
CC1
H = V
IH
, L = V
IL
, X = Don't care.
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Supply Voltage
Input High Voltage
Input Low Voltage
Input Leakage Current
Output Leakage
Current
Output High Voltage
Output Low Voltage
SYMBOL
V
CC
V
IH
*2
V
IL
I
LI
I
LO
V
OH
V
OL
I
CC
Average Operating
Power supply Current
I
CC1
I
SB
Standby Power
Supply Current
I
SB1
*1
TEST CONDITION
-10
-12/-15
V
CC
≧
V
IN
≧
V
SS
V
CC
≧
V
OUT
≧
V
SS
,
Output Disabled
I
OH
= -4mA
I
OL
= 8mA
-10
Cycle time = Min.
CE# = V
IL
, I
I/O
= 0mA
-12
Others at V
IL
or V
IH
-15
Cycle time = 1µs
CE#
≦
0.2V and I
I/O
= 0mA
Other pins at 0.2V or V
CC
-0.2V
CE# = V
IH,
others at V
IL
or V
IH
CE#
≧
V
CC
- 0.2V
Normal
CE#
≧
V
CC
- 0.2V
LL
Others at 0.2V or V
CC
-0.2V
MIN.
3.15
3.0
2.0
- 0.5
-1
-1
2.4
-
-
-
-
-
-
-
-
TYP.
3.3
3.3
-
-
-
-
3.0
-
60
50
40
1
10
0.5
1
*4
MAX.
3.6
3.6
V
CC
+0.5
0.6
1
1
-
0.4
75
60
50
5
15
3
20
UNIT
V
V
V
V
µA
µA
V
V
mA
mA
mA
mA
mA
mA
µA
Lyontek Inc.
reserves the rights to change the specifications and products without notice.
5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan.
TEL: 886-3-6668838
FAX: 886-3-6668836
3
LYONTEK [ Lyontek Inc. ]
