®
LY62L256
32K X 8 BIT LOW POWER CMOS SRAM
Rev. 1.1
REVISION HISTORY
Revision
Rev. 1.0
Rev. 1.1
Description
Initial Issue
Revised STSOP Package Outline Dimension
Lyontek Inc. reserves the rights to change the specifications and products without notice.
40 Hsuch-Fu Rd., Hsinchu, Taiwan.
TEL: 886-3-5165511
FAX: 886-3-5165522
0
Issue Date
Jul.25.2004
Mar.26.2008
®
LY62L256
32K X 8 BIT LOW POWER CMOS SRAM
Rev. 1.1
PIN CONFIGURATION
1
28
Vcc
A12
2
27
WE#
A7
3
26
A13
A6
4
25
A8
A5
5
24
A9
A4
6
A3
7
A2
8
A1
9
LY62L256
A14
23
A11
22
OE#
21
A10
20
OE#
A11
A9
A8
A13
WE#
Vcc
A14
A12
A7
A6
A5
A4
A3
CE#
A0
10
19
DQ7
DQ0
11
18
DQ6
DQ1
12
17
DQ5
DQ2
13
16
14
15
LY62L256
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
A1
A2
DQ4
Vss
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DQ3
STSOP
PDIP/SOP
ABSOLUTE MAXIMUN RATINGS*
PARAMETER
Terminal Voltage with Respect to VSS
SYMBOL
VTERM
Operating Temperature
TA
Storage Temperature
Power Dissipation
DC Output Current
Soldering Temperature (under 10 sec)
TSTG
PD
IOUT
TSOLDER
RATING
-0.5 to 4.6
0 to 70(C grade)
-20 to 80(E grade)
-40 to 85(I grade)
-65 to 150
1
50
260
UNIT
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
DOUT
DIN
H = VIH, L = VIL, X = Don't care.
Lyontek Inc. reserves the rights to change the specifications and products without notice.
40 Hsuch-Fu Rd., Hsinchu, Taiwan.
TEL: 886-3-5165511
FAX: 886-3-5165522
2
SUPPLY CURRENT
ISB,ISB1
ICC,ICC1
ICC,ICC1
ICC,ICC1