®
LY61256
32K X 8 BIT HIGH SPEED CMOS SRAM
Rev. 1.5
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#
I/O8
I/O7
I/O6
I/O5
I/O4
Vss
I/O3
I/O2
I/O1
A0
A6
4
A5
5
A9
A8
A4
6
A11
OE#
A10
CE#
I/O8
I/O7
I/O6
I/O5
I/O4
A13
WE#
Vcc
A14
A12
A7
A6
A5
A4
A3
A3
7
LY61256
A2
8
A1
9
A0
10
11
12
13
14
A1
A2
I/O1
I/O2
I/O3
Vss
STSOP
Skinny P-DIP/SOJ
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#
OE#
WE#
SUPPLY CURRENT
MODE
I/O OPERATION
H
X
X
Standby
High-Z
ISB1
ICC
ICC
ICC
L
L
L
H
L
H
H
L
Output Disable
Read
High-Z
DOUT
DIN
X
Write
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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