®
LY61L1288
128K X 8 BIT HIGH SPEED CMOS SRAM
Rev. 1.5
CAPACITANCE (TA = 25℃, f = 1.0MHz)
PARAMETER
Input Capacitance
Input/Output Capacitance
SYMBOL
MIN.
-
-
MAX
6
8
UNIT
pF
pF
CIN
CI/O
Note : These parameters are guaranteed by device characterization, but not production tested.
AC TEST CONDITIONS
Input Pulse Levels
0.2V to VCC - 0.2V
Input Rise and Fall Times
Input and Output Timing Reference Levels
Output Load
3ns
1.5V
CL = 30pF + 1TTL, IOH/IOL = -4mA/8mA
AC ELECTRICAL CHARACTERISTICS
(1) READ CYCLE
PARAMETER
SYM.
UNIT
LY61L1288 LY61L1288 LY61L1288 LY61L1288
-8 -10 -12 -15
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
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 tOLZ
Chip Disable to Output in High-Z tCHZ
Output Disable to Output in High-Z tOHZ
Output Hold from Address Change tOH
tRC
tAA
tACE
tOE
tCLZ
8
-
-
-
8
8
4
-
10
-
-
-
10
10
5
-
-
5
5
-
12
-
-
-
12
12
6
-
-
6
6
-
15
-
-
-
15
15
7
-
-
7
7
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
-
-
-
-
*
*
*
*
2
0
-
-
3
2
0
-
-
3
3
0
-
-
3
4
0
-
-
3
-
4
4
-
(2) WRITE CYCLE
PARAMETER
SYM.
UNIT
LY61L1288 LY61L1288 LY61L1288 LY61L1288
-8 -10 -12 -15
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
Write Cycle Time
tWC
8
6.5
6.5
0
6.5
0
5
0
1.5
-
-
-
-
-
-
-
-
-
-
10
8
8
0
8
0
6
0
2
-
-
-
-
-
-
-
-
-
-
12
10
10
0
9
0
7
0
3
-
-
-
-
-
-
-
-
-
-
15
12
12
0
10
0
8
0
4
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Address Valid to End of Write
Chip Enable to End of Write
Address Set-up Time
Write Pulse Width
Write Recovery Time
Data to Write Time Overlap
Data Hold from End of Write Time tDH
Output Active from End of Write
Write to Output in High-Z
tAW
tCW
tAS
tWP
tWR
tDW
tOW
tWHZ
*
*
5
6
7
8
*These parameters are guaranteed by device characterization, but not production tested.
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
LYONTEK [ Lyontek Inc. ]
