參數(shù)資料
型號: IS61LPS51236A-250TQI
廠商: INTEGRATED SILICON SOLUTION INC
元件分類: DRAM
英文描述: 256K x 72, 512K x 36, 1024K x 18 18Mb SYNCHRONOUS PIPELINED, SINGLE CYCLE DESELECT STATIC RAM
中文描述: 512K X 36 CACHE SRAM, 2.6 ns, PQFP100
封裝: TQFP-100
文件頁數(shù): 17/34頁
文件大小: 229K
代理商: IS61LPS51236A-250TQI
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. D
02/11/05
17
IS61VPS25672A, IS61LPS25672A
IS61VPS51236A, IS61LPS51236A, IS61VPS102418A, IS61LPS102418A
ISSI
READ/WRITE CYCLE SWITCHING CHARACTERISTICS
(Over Operating Range)
-250
Min.
-200
Min.
Symbol
Parameter
Max.
Max.
Unit
f
MAX
Clock Frequency
250
200
MHz
t
KC
Cycle Time
4.0
5
ns
t
KH
Clock High Time
1.7
2
ns
t
KL
Clock Low Time
1.7
2
ns
t
KQ
Clock Access Time
2.6
3.1
ns
t
KQX
(2)
Clock High to Output Invalid
0.8
1.5
ns
t
KQLZ
(2,3)
Clock High to Output Low-Z
0.8
1
ns
t
KQHZ
(2,3)
Clock High to Output High-Z
2.6
3.0
ns
t
OEQ
Output Enable to Output Valid
2.8
3.1
ns
t
OELZ
(2,3)
Output Enable to Output Low-Z
0
0
ns
t
OEHZ
(2,3)
Output Disable to Output High-Z
2.6
3.0
ns
t
AS
Address Setup Time
1.2
1.4
ns
t
WS
Read/Write Setup Time
1.2
1.4
ns
t
CES
Chip Enable Setup Time
1.2
1.4
ns
t
AVS
Address Advance Setup Time
1.2
1.4
ns
t
DS
Data Setup Time
1.2
1.4
ns
t
AH
Address Hold Time
0.3
0.4
ns
t
WH
Write Hold Time
0.3
0.4
ns
t
CEH
Chip Enable Hold Time
0.3
0.4
ns
t
AVH
Address Advance Hold Time
0.3
0.4
ns
t
DH
Data Hold Time
0.3
0.4
ns
t
PDS
ZZ High to Power Down
2
2
cyc
t
PUS
ZZ Low to Power Down
2
2
cyc
Note:
1. Configuration signal MODE is static and must not change during normal operation.
2. Guaranteed but not 100% tested. This parameter is periodically sampled.
3. Tested with load in Figure 2.
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