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PDF LY62L256 Data sheet ( Hoja de datos )
| Número de pieza | LY62L256 | |
| Descripción | 32K X 8 BIT LOW POWER CMOS SRAM | |
| Fabricantes | Lyontek | |
| Logotipo |  |
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®
Rev. 1.2
LY62L256
32K X 8 BIT LOW POWER CMOS SRAM
REVISION HISTORY
Revision
Rev. 1.0
Rev. 1.1
Rev. 1.2
Description
Initial Issue
Revised STSOP Package Outline Dimension
Deleted L Spec.
Revised VTERM to VT1 and VT2
Revised Test Condition of ISB1/IDR
Revised FEATURES & ORDERING INFORMATION
Lead free and green package available to Green package
available
Added packing type in ORDERING INFORMATION
Deleted TSOLDER in ABSOLUTE MAXIMUN RATINGS
Issue Date
Jul.25.2004
Mar.26.2008
Apr.13.2009
www.DataSheet4U.com
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
0
1 page  
®
Rev. 1.2
LY62L256
32K X 8 BIT LOW POWER CMOS SRAM
AC ELECTRICAL CHARACTERISTICS
(1) READ CYCLE
PARAMETER
Read Cycle Time
Address Access Time
Chip Enable Access Time
Output Enable Access Time
Chip Enable to Output in Low-Z
Output Enable to Output in Low-Z
Chip Disable to Output in High-Z
Output Disable to Output in High-Z
Output Hold from Address Change
SYM.
tRC
tAA
tACE
tOE
tCLZ*
tOLZ*
tCHZ*
tOHZ*
tOH
LY62L256-35
MIN. MAX.
35 -
- 35
- 35
- 25
10 -
5-
- 15
- 15
10 -
LY62L256-55
MIN. MAX.
55 -
- 55
- 55
- 30
10 -
5-
- 20
- 20
10 -
LY62L256-70
MIN. MAX.
70 -
- 70
- 70
- 35
10 -
5-
- 25
- 25
10 -
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
(2) WRITE CYCLE
PARAMETER
SYM. LY62L256-35 LY62L256-55
MIN. MAX. MIN.
Write Cycle Time
tWC 35 - 55
Address Valid to End of Write tAW 30 - 50
Chip Enable to End of Write
tCW 30 - 50
Address Set-up Time
tAS 0 - 0
Write Pulse Width
tWP 25 - 45
Write Recovery Time
tWR 0 - 0
Data to Write Time Overlap
tDW 20 - 25
Data Hold from End of Write Time tDH
0-0
Output Active from End of Write
tOW*
5
-
5
Write to Output in High-Z
tWHZ* - 15 -
*These parameters are guaranteed by device characterization, but not production tested.
MAX.
-
-
-
-
-
-
-
-
-
20
LY62L256-70
MIN. MAX.
70 -
60 -
60 -
0-
55 -
0-
30 -
0-
5-
- 25
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
www.DataSheet4U.com
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
4
5 Page 
®
Rev. 1.2
LY62L256
32K X 8 BIT LOW POWER CMOS SRAM
28 pin 8x13.4mm STSOP Package Outline Dimension
HD
cL
12° (2x)
1 28
12° (2x)
14
D
15
"A"
Seating Plane
y
12° (2X)
14 15
GAUGE PLANE
1
www.DataSheet4U.com
SEATING PLANE
12° (2X)
0
L
28
"A" DATAIL VIEW
L1
SYMBOLS
A
A1
A2
b
c
HD
D
E
e
L
L1
Y
Θ
DIMENSIONS IN MILLIMETERS
MIN
NOM
MAX
1.00 1.10 1.20
0.05 - 0.15
0.91 1.00 1.05
0.17 0.22 0.27
0.10
0.15
0.20
13.20
13.40
13.60
11.70
11.80
11.90
7.90 8.00 8.10
- 0.55 -
0.30 0.50 0.70
0.675
-
-
0.00
- 0.076
0° 3° 5°
DIMENSIONS IN INCHES
MIN
NOM
MAX
0.040
0.043
0.047
0.002 - 0.006
0.036
0.039
0.041
0.007
0.009
0.011
0.004
0.006
0.008
0.520
0.528
0.535
0.461
0.465
0.469
0.311
0.315
0.319
- 0.0216 -
0.012
0.020
0.028
0.027
-
-
0.000 - 0.003
0° 3° 5°
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
10
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet LY62L256.PDF ] | |
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