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參數資料
| 型號： | AD484M1644VTA-10I |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Ascend Semiconductor Corporation(64Mb SDRAM) |
| 中文描述： | 登半導體公司（64MB內存） |
| 文件頁數： | 18/20頁 |
| 文件大小： | 85K |
| 代理商： | AD484M1644VTA-10I |
Preliminary
18
64Mb SDRAM
Ascend Semiconductor Corporation
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CLK
CLK
CLK
CLK
CLK
ms
Operating AC Characteristics
( V
DD
= 3.3V +/- 0.3 V, All Operating Range )
Notes
2
5
5
5
5
5
Parameter
Clock cycle time
Access time from CLK
Data-out hold time
Data-out to high impedance time
CLK high level width
CLK low level width
Input setup time
Input hold time
ACTIVE to ACTIVE command period
ACTIVE to PRECHARGE command period
PRECHARGE to ACTIVE command period
ACTIVE to READ/WRITE delay time
ACTIVE(one) to ACTIVE(another) command
READ/WRITE command to READ/WRITE
command
Data-in to PRECHARGE command
CL = 3
CL = 2
CL = 3
CL = 2
CL = 2
CL = 3
CL = 2
Data-out to high impedance from
PRECHARGE command
Data-in to BURST stop command
Refresh time(4,096 cycle)
CL = 3
CL = 2
Data-out to low impedance time
Symbol
t
CK
t
AC
t
CH
t
CL
t
OH
t
HZ
t
LZ
t
IS
t
IH
t
RC
t
RAS
t
RP
t
RCD
t
RRD
t
CCD
t
DPL
t
BDL
t
ROH
t
REF
-6
Min. Max.
2.5
2.5
2.5
_
5
_
1
1
1.5
60
42
18
100k
18
12
1
6
_
5.5
_
2
1
3
2
64
-7
Min. Max.
3
3
1.5
5.5
1
1
2
63
18
100k
18
14
1
7
2.5
45
5.5
6
2
1
3
2
64
-8
Min. Max.
3
3
2.5
1.5
6
6
1
1
2
64
46
18
100k
18
16
1
8
10
6
6
2
1
3
2
64
-55
Min. Max.
2.0
2.0
2.0
_
4.5
_
1
1
1.5
60
42
18
100k
18
10
1
5.5
_
4.5
_
2
1
3
2
64
-10
Min. Max.
3
3
2.5
1.5
6
6
1
1
2
70
50
20
100k
20
18
1
10
10
6
6
2
1
3
2
64
CL = 3
3
4
10
5.5
6
6
相關PDF資料 |
PDF描述 |
|---|---|
| AD484M1644VTA-10L | Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-10LI | Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-15 | Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA | Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-5.5 | Ascend Semiconductor Corporation(64Mb SDRAM) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD484M1644VTA-10L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-10LI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-15 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-5.5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Ascend Semiconductor Corporation(64Mb SDRAM) |
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