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參數(shù)資料
| 型號： | IC61C256AH-12U |
| 英文描述： | 32K x 8 HIGH-SPEED CMOS STATIC RAM |
| 中文描述： | 32K的× 8高速CMOS靜態(tài)RAM |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 97K |
| 代理商： | IC61C256AH-12U |
IC61C256AH
Integrated Circuit Solution Inc.
AHSR010-0D 4/19/2002
7
AC WAVEFORMS
WRITE CYCLE NO. 1
(
WE
Controlled)
(1,2 )
DATA UNDEFINED
t
WC
VALID ADDRESS
t
SCE
t
PWE1
t
PWE2
t
AW
t
HA
HIGH-Z
t
HD
t
SA
t
HZWE
ADDRESS
CE
WE
D
OUT
D
IN
DATA
IN
VALID
t
LZWE
t
SD
WRITE CYCLE SWITCHING CHARACTERISTICS
(1,2)
(Over Operating Range)
-10
-12
-15
-20
-25
Symbol
t
WC
t
SCE
t
AW
Parameter
Min. Max.
Min. Max.
Min. Max.
Min. Max.
Min. Max.
Unit
Write Cycle Time
10
—
12
—
15
—
20
—
25
—
ns
CE
to Write End
9
—
10
—
10
—
13
—
15
—
ns
Address Setup Time
to Write End
9
—
10
—
12
—
15
—
20
—
ns
t
HA
Address Hold
from Write End
0
—
0
—
0
—
0
—
0
—
ns
t
SA
t
PWE
(4)
t
SD
t
HD
t
HZWE
(2)
t
LZWE
Address Setup Time
0
—
0
—
0
—
0
—
0
—
ns
WE
Pulse Width
8
—
8
—
10
—
13
—
15
—
ns
Data Setup to Write End
7
—
7
—
9
—
10
—
12
—
ns
Data Hold from Write End
0
—
0
—
0
—
0
—
0
—
ns
WE
LOW to High-Z Output
—
6
—
6
—
7
—
8
—
10
ns
WE
HIGH to Low-Z Output
0
—
0
—
0
—
0
—
0
—
ns
Notes:
1. Test conditions assume signal transition times of 3 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V
and output loading specified in Figure 1a.
2. Tested with the load in Figure 1b. 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
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.
4. Tested with
OE
HIGH.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| IC61C256AH-12UI | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:32K x 8 HIGH-SPEED CMOS STATIC RAM |
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| IC61C256AH-15JI | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:32K x 8 HIGH-SPEED CMOS STATIC RAM |
| IC61C256AH-15N | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:32K x 8 HIGH-SPEED CMOS STATIC RAM |
| IC61C256AH-15NI | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:32K x 8 HIGH-SPEED CMOS STATIC RAM |
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