®
LY622568
Rev. 2.4
256K X 8 BIT LOW POWER CMOS SRAM
DC ELECTRICAL CHARACTERISTICS
SYMBOL
TEST CONDITION
PARAMETER
Supply Voltage
V
CC
*1
Input High Voltage
V
IH
*2
Input Low Voltage
V
IL
Input Leakage Current
I
LI
V
CC
≧
V
IN
≧
V
SS
Output Leakage
V
CC
≧
V
OUT
≧
V
SS
,
I
LO
Current
Output Disabled
Output High Voltage
V
OH
I
OH
= -1mA
Output Low Voltage
V
OL
I
OL
= 2mA
Cycle time = Min.
- 45
CE# = V
IL
and CE2 = V
IH
,
I
CC
- 55
I
I/O
= 0mA
- 70
Other pins at V
IL
or V
IH
Average Operating
Power supply Current
Cycle time = 1µs
CE# = 0.2V and CE2
≧
V
CC
-0.2V,
I
CC1
I
I/O
= 0mA
Other pins at 0.2V or V
CC
- 0.2V
LL/LLE/LLI
*5
SL
CE#
≧
V
CC
-0.2V
25℃
*5
SLE
Standby Power
or CE2
≦
0.2V
I
SB1
*5
40℃
SLI
Supply Current
Others at 0.2V or
V
CC
- 0.2V
SL
SLE/SLI
Notes:
1. V
IH
(max) = V
CC
+ 3.0V for pulse width less than 10ns.
2. V
IL
(min) = V
SS
- 3.0V for pulse width less than 10ns.
3. Over/Undershoot specifications are characterized, not 100% tested.
4. Typical values are included for reference only and are not guaranteed or tested.
Typical values are measured at V
CC
= V
CC
(TYP.) and T
A
= 25℃
5. This parameter is measured at V
CC
= 3.0V
MIN.
4.5
2.4
- 0.2
-1
-1
2.4
-
-
-
-
-
-
-
-
-
-
TYP.
5.0
-
-
-
-
-
-
50
40
30
4
3
2
2
3
3
*4
MAX.
5.5
V
CC
+0.3
0.6
1
1
-
0.4
80
60
50
10
50
5
5
20
25
UNIT
V
V
V
µA
µA
V
V
mA
mA
mA
mA
µA
µA
µA
µA
µA
5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan.
TEL: 886-3-6668838
FAX: 886-3-6668836
Lyontek Inc.
reserves the rights to change the specifications and products without notice.
3
LYONTEK [ Lyontek Inc. ]
