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PDF LY61L256 Data sheet ( Hoja de datos )
| Número de pieza | LY61L256 | |
| Descripción | 32K X 8 BIT HIGH SPEED CMOS SRAM | |
| Fabricantes | Lyontek | |
| Logotipo |  |
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®
Rev. 1.2
LY61L256
32K X 8 BIT HIGH SPEED CMOS SRAM
REVISION HISTORY
Revision
Rev. 1.0
Rev. 1.1
Rev. 1.2
Description
Initial Issue
Revised VTERM to VT1 and VT2
Revised Test Condition of ISB1/IDR
Added LL Spec.
Revised Test Condition of ICC/ISB
Revised FEATURES & ORDERING INFORMATION
Lead free and green package available to Green package
available
Deleted TSOLDER in ABSOLUTE MAXIMUN RATINGS
Added packing type in ORDERING INFORMATION
Issue Date
Jul.25.2004
Feb.2.2009
Apr.17.2009
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
LY61L256
32K X 8 BIT HIGH SPEED CMOS SRAM
Notes:
1. VIH(max) = VCC + 3.0V for pulse width less than 10ns.
2. VIL(min) = VSS - 3.0V for pulse width less than 10ns.
3. Over/Undershoot specifications are characterized, not 100% tested.
4. Typical values are included for reference only and are not guaranteed or tested.
Typical valued are measured at VCC = VCC(TYP.) and TA = 25℃
CAPACITANCE (TA = 25℃, f = 1.0MHz)
PARAMETER
SYMBOL
MIN.
Input Capacitance
CIN -
Input/Output Capacitance
CI/O
-
Note : These parameters are guaranteed by device characterization, but not production tested.
MAX
6
8
UNIT
pF
pF
AC TEST CONDITIONS
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Reference Levels
Output Load
0.2V to VCC - 0.2V
3ns
1.5V
CL = 30pF + 1TTL, IOH/IOL = -4mA/8mA
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
www.DaCtahSihpeeDt4isUa.cbolme 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
LY61L256-10
MIN. MAX.
10 -
- 10
- 10
-5
2-
0-
-5
-5
1-
LY61L256-12
MIN. MAX.
12 -
- 12
- 12
-6
3-
0-
-6
-6
3-
LY61L256-15
MIN. MAX.
15 -
- 15
- 15
-7
4-
0-
-7
-7
3-
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
(2) WRITE CYCLE
PARAMETER
SYM. LY61L256-10 LY61L256-12
MIN. MAX. MIN. MAX.
Write Cycle Time
tWC 10 - 12 -
Address Valid to End of Write tAW 8 - 10 -
Chip Enable to End of Write
tCW 8 - 10 -
Address Set-up Time
tAS 0 - 0 -
Write Pulse Width
tWP 8 - 9 -
Write Recovery Time
tWR 0 - 0 -
Data to Write Time Overlap
tDW 6 - 7 -
Data Hold from End of Write Time tDH
0-0-
Output Active from End of Write
tOW*
2
-
3
-
Write to Output in High-Z
tWHZ* - 6 - 7
*These parameters are guaranteed by device characterization, but not production tested.
LY61L256-15
MIN. MAX.
15 -
12 -
12 -
0-
10 -
0-
8-
0-
4-
-8
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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
LY61L256
32K X 8 BIT HIGH SPEED CMOS SRAM
ORDERING INFORMATION
LY61L256 U V - WW XX Y Z
Z : Packing Type
Blank : Tube or Tray
T : Tape Reel
Y : Temperature Range
Blank : (Commercial) 0°C ~ 70°C
E : (Extended) -20°C ~ +80°C
I : (Industrial) -40°C ~ +85°C
XX : Power Type
LL : Ultra Low Power
WW : Access Time(Speed)
V : Lead Information
L : Green Package
U : Package Type
J : 28-pin 300 mil SOJ
R : 28-pin 8 mm x 13.4 mm STSOP
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
10
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LY61L256.PDF ] | |
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