參數(shù)資料
型號: 61LV51216
廠商: Electronic Theatre Controls, Inc.
英文描述: 512K x 16 HIGH SPEED ASYNCHRONOUS
中文描述: 為512k × 16高速異步
文件頁數(shù): 8/15頁
文件大?。?/td> 101K
代理商: 61LV51216
8
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. B
03/10/05
IS61LV51216
ISSI
WRITE CYCLE SWITCHING CHARACTERISTICS
(1,3)
(Over Operating Range)
-8
-10
-12
Symbol
t
WC
t
SCE
t
AW
Parameter
Min. Max.
Min. Max.
Min. Max.
Unit
Write Cycle Time
8
10
12
ns
CE
to Write End
6.5
8
8
ns
Address Setup Time
to Write End
6.5
8
8
ns
t
HA
t
SA
t
PWB
t
PWE
1
t
PWE
2
t
SD
t
HD
t
HZWE
(2)
t
LZWE
(2)
Address Hold from Write End
0
0
0
ns
Address Setup Time
0
0
0
ns
LB
,
UB
Valid to End of Write
6.5
8
8
ns
WE
Pulse Width
6.5
8
8
ns
WE
Pulse Width (
OE
= LOW)
8.0
10
12
ns
Data Setup to Write End
5
6
6
ns
Data Hold from Write End
0
0
0
ns
WE
LOW to High-Z Output
3.5
5
6
ns
WE
HIGH to Low-Z Output
2
2
2
ns
Notes:
1. Test conditions assume signal transition times of 3 ns or less, timing reference levels of 1.5V, input pulse levels of 0V to
3.0V and output loading specified in Figure 1.
2. Tested with the load in Figure 2. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.
3. The internal write time is defined by the overlap of CE LOW and UB or LB, and WE LOW. All signals must be in valid states
to initiate a Write, but any one can go inactive to terminate the Write. The Data Input Setup and Hold timing are referenced
to the rising or falling edge of the signal that terminates the write. Shaded area product in development
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