®
LY62256
32K X 8 BIT LOW POWER CMOS SRAM
Rev. 2.9
PIN CONFIGURATION
A14
A12
A7
1
2
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Vcc
WE#
A13
A8
3
OE#
A11
A9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A10
CE#
DQ7
DQ6
DQ5
DQ4
DQ3
Vss
DQ2
DQ1
DQ0
A0
A6
4
A5
5
A9
A8
A4
6
A11
OE#
A10
CE#
DQ7
DQ6
DQ5
DQ4
DQ3
A13
WE#
Vcc
A14
A12
A7
A6
A5
A4
A3
A3
7
LY62256
A2
8
A1
9
A0
10
11
12
13
14
A1
A2
DQ0
DQ1
DQ2
Vss
STSOP
Skinny P-DIP/P-DIP/SOP
ABSOLUTE MAXIMUN RATINGS*
PARAMETER
SYMBOL
VT1
RATING
-0.5 to 6.5
UNIT
V
Voltage on VCC relative to VSS
Voltage on any other pin relative to VSS
VT2
-0.5 to VCC+0.5
0 to 70(C grade)
-20 to 80(E grade)
-40 to 85(I grade)
-65 to 150
V
℃
Operating Temperature
TA
℃
W
Storage Temperature
Power Dissipation
DC Output Current
TSTG
PD
1
IOUT
50
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
CE#
H
OE#
X
WE#
X
SUPPLY CURRENT
ISB,ISB1
MODE
I/O OPERATION
High-Z
Standby
Output Disable
Read
L
H
H
High-Z
ICC,ICC1
L
L
H
DOUT
ICC,ICC1
Write
L
X
L
DIN
ICC,ICC1
Note: H = VIH, L = VIL, X = Don't care.
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
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