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PDF LY62256 Data sheet ( Hoja de datos )
| Número de pieza | LY62256 | |
| Descripción | 32K X 8-Bit Low Power CMOS Sram | |
| Fabricantes | Lyontek | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LY62256 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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®
Rev. 2.6
LY62256
32K X 8 BIT LOW POWER CMOS SRAM
REVISION HISTORY
Revision
Rev. 1.0.
Rev. 2.0.
Rev. 2.1.
Rev. 2.2
Rev. 2.3
Rev. 2.4
Rev. 2.5
Rev. 2.6
Description
Initial Issue
Revised Vcc Range(Vcc=4.5~5.5V => 2.7~5.5V)
Revised ISB1
Adding PKG type : skinny P-DIP
Revised VIH(min)=2.4V, VIL(max)=0.6V
Revised VIH(min)=2.4V, VIL(max)=0.6V (VCC=2.7~3.6V)
VIH(min)=2.4V, VIL(max)=0.8V (VCC=4.5~5.5V)
Revised STSOP Package Outline Dimension
Added SL grade
Added ISB1/IDR values when TA = 25℃ and TA = 40℃
Revised FEATURES & ORDERING INFORMATION
Lead free and green package available to Green package
available
Added packing type in ORDERING INFORMATION
Revised ISB1(MAX)
Revised VTERM to VT1 and VT2
Revised Test Condition of ISB1/IDR
Deleted TSOLDER in ABSOLUTE MAXIMUN RATINGS
Issue Date
Jul.25.2004
May.4.2005
May.13.2005
Aug.29.2005
Feb.24.2006
Jul.31.2006
Mar.26.2008
Mar.30.2009
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. 2.6
LY62256
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
LY62256-35
MIN. MAX.
35 -
- 35
- 35
- 25
10 -
5-
- 15
- 15
10 -
LY62256-55
MIN. MAX.
55 -
- 55
- 55
- 30
10 -
5-
- 20
- 20
10 -
LY62256-70
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. LY62256-35 LY62256-55
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
LY62256-70
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. 2.6
LY62256
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 14 Páginas | |
| PDF Descargar | [ Datasheet LY62256.PDF ] | |
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