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參數資料
| 型號： | AD484M1644VTA-8I |
| 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： | 17/20頁 |
| 文件大小： | 85K |
| 代理商： | AD484M1644VTA-8I |
Preliminary
17
64Mb SDRAM
Ascend Semiconductor Corporation
AC Operating Test Conditions
( VDD = 3.3V +/- 0.3 V, All Operating Range )
Output Reference Level
1.4V / 1.4V
Output Load
See diagram as below
Input Signal Level
2.4V / 0.4V
Transition Time of Input Signals
2ns
Input Reference Level
1.4V
Z = 50
50pF
50
V
tt
= 1.4V
Output
Parameter
Test condition
Symbol
Max.
Unit
Min.
Input leakage current
0
≤
V
I
≤
V
DD
Q, V
DDQ
=V
DD
All other pins not under test=0 V
I
IL
+0.5
uA
-0.5
Output leakage current
0
≤
V
O
≤
V
DD
Q, DOUT is disabled
I
OL
+0.5
uA
-0.5
High level output voltage
Io = -4mA
V
OH
V
2.4
Low level output voltage
Io = +4mA
V
OL
V
0.4
Recommended DC Operating Conditions ( Continued )
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